Editing Index of cryptography articles

{{Short description|none}}
Articles related to cryptography include:

==A==
[[A5/1]] [[Talk:A5/1| ]] •
[[A5/2]] [[Talk:A5/2| ]] •
[[ABA digital signature guidelines]] [[Talk:ABA digital signature guidelines| ]] •
[[ABC (stream cipher)]] [[Talk:ABC (stream cipher)| ]] •
[[Abraham Sinkov]] [[Talk:Abraham Sinkov| ]] •
[[Acoustic cryptanalysis]] [[Talk:Acoustic cryptanalysis| ]] •
[[Adaptive chosen-ciphertext attack]] [[Talk:Adaptive chosen-ciphertext attack| ]] •
[[Adaptive chosen plaintext and chosen ciphertext attack]] [[Talk:Adaptive chosen plaintext and chosen ciphertext attack| ]] •
[[Advantage (cryptography)]] [[Talk:Advantage (cryptography)| ]] •
[[ADFGVX cipher]] [[Talk:ADFGVX cipher| ]] •
[[Adi Shamir]] [[Talk:Adi Shamir| ]] •
[[Advanced Access Content System]] [[Talk:Advanced Access Content System| ]] •
[[Advanced Encryption Standard]] [[Talk:Advanced Encryption Standard| ]] •
[[Advanced Encryption Standard process]] [[Talk:Advanced Encryption Standard process| ]] •
[[Adversary (cryptography)|Adversary]] [[Talk:Adversary| ]] •
[[AEAD block cipher modes of operation]] [[Talk:AEAD block cipher modes of operation| ]] •
[[Affine cipher]] [[Talk:Affine cipher| ]] •
[[Agnes Meyer Driscoll]] [[Talk:Agnes Meyer Driscoll| ]] •
[[AKA (security)]] [[Talk:AKA (security)| ]] •
[[Akelarre (cipher)]] [[Talk:Akelarre (cipher)| ]] •
[[Alan Turing]] [[Talk:Alan Turing| ]] •
[[Alastair Denniston]] [[Talk:Alastair Denniston| ]] •
[[Al Bhed language]] [[Talk:Al Bhed language| ]] •
[[Alex Biryukov]] [[Talk:Alex Biryukov| ]] •
[[Alfred Menezes]] [[Talk:Alfred Menezes| ]] •
[[Algebraic Eraser]] [[Talk:Algebraic Eraser| ]] •
[[Algorithmically random sequence]] [[Talk:Algorithmically random sequence| ]] •
[[Alice and Bob]] [[Talk:Alice and Bob| ]] •
[[All-or-nothing transform]] [[Talk:All-or-nothing transform| ]] •
[[Alphabetum Kaldeorum]] [[Talk:Alphabetum Kaldeorum| ]] •
[[Alternating step generator]] [[Talk:Alternating step generator| ]] •
[[American Cryptogram Association]] [[Talk:American Cryptogram Association| ]] •
[[AN/CYZ-10]] [[Talk:AN/CYZ-10| ]] •
[[Anonymous publication]] [[Talk:Anonymous publication| ]] •
[[Anonymous remailer]] [[Talk:Anonymous remailer| ]] •
[[Antoni Palluth]] [[Talk:Antoni Palluth| ]] •
[[Anubis (cipher)]] [[Talk:Anubis (cipher)| ]] •
[[Argon2]] [[Talk:Argon2| ]] •
[[ARIA (cipher)]] [[Talk:ARIA (cipher)| ]] •
[[Arlington Hall]] [[Talk:Arlington Hall| ]] •
[[Arne Beurling]] [[Talk:Arne Beurling| ]] •
[[Arnold Cipher]] [[Talk:Arnold Cipher| ]] •
[[Array controller based encryption]] [[Talk:Array controller based encryption| ]] •
[[Arthur Scherbius]] [[Talk:Arthur Scherbius| ]] •
[[Arvid Gerhard Damm]] [[Talk:Arvid Gerhard Damm| ]] •
[[Asiacrypt]] [[Talk:Asiacrypt| ]] •
[[Atbash]] [[Talk:Atbash| ]] •
[[Attribute-based encryption]] [[Talk:Attribute-based encryption| ]] •
[[Attack model]] [[Talk:Attack model| ]] •
[[Auguste Kerckhoffs]] [[Talk:Auguste Kerckhoffs| ]] •
[[Authenticated encryption]] [[Talk:Authenticated encryption| ]] •
[[Authentication]] [[Talk:Authentication| ]] •
[[Authorization certificate]] [[Talk:Authorization certificate| ]] •
[[Autokey cipher]] [[Talk:Autokey cipher| ]] •
[[Avalanche effect]] [[Talk:Avalanche effect| ]]

==B==
[[B-Dienst]] [[Talk:B-Dienst| ]] •
[[Babington Plot]] [[Talk:Babington Plot| ]] •
[[Baby-step giant-step]] [[Talk:Baby-step giant-step| ]] •
[[Bacon's cipher]] [[Talk:Bacon's cipher| ]] •
[[Banburismus]] [[Talk:Banburismus| ]] •
[[Bart Preneel]] [[Talk:Bart Preneel| ]] •
[[BaseKing]] [[Talk:BaseKing| ]] •
[[BassOmatic]] [[Talk:BassOmatic| ]] •
[[BATON]] [[Talk:BATON| ]] •
[[BB84]] [[Talk:BB84| ]] •
[[Beale ciphers]] [[Talk:Beale ciphers| ]] •
[[BEAR and LION ciphers]] [[Talk:BEAR and LION ciphers| ]] •
[[Beaufort cipher]] [[Talk:Beaufort cipher| ]] •
[[Beaumanor Hall]] [[Talk:Beaumanor Hall| ]] •
[[Bent function]] [[Talk:Bent function| ]] •
[[Berlekamp–Massey algorithm]] [[Talk:Berlekamp–Massey algorithm| ]] •
[[Bernstein v. United States]] [[Talk:Bernstein v. United States| ]] •
[[BestCrypt]] [[Talk:BestCrypt| ]] •
[[Biclique attack]] [[Talk:Biclique attack| ]] •
[[BID/60]] [[Talk:BID/60| ]] •
[[BID 770]] [[Talk:BID 770| ]] •
[[Bifid cipher]] [[Talk:Bifid cipher| ]] •
[[Bill Weisband]] [[Talk:Bill Weisband| ]] •
[[Binary Goppa code]] [[Talk:Binary Goppa code| ]] •
[[Biometric word list]] [[Talk:Biometric word list| ]] •
[[Birthday attack]] [[Talk:Birthday attack| ]] •
[[Bit-flipping attack]] [[Talk:Bit-flipping attack| ]] •
[[BitTorrent protocol encryption]] [[Talk:BitTorrent protocol encryption| ]] •
[[Biuro Szyfrów]] [[Talk:Biuro Szyfrów| ]] •
[[Black Chamber]] [[Talk:Black Chamber| ]] •
[[Blaise de Vigenère]] [[Talk:Blaise de Vigenère| ]] •
[[Bletchley Park]] [[Talk:Bletchley Park| ]] •
Blind credential [[Talk:Blind credential| ]] •
[[Blinding (cryptography)]] [[Talk:Blinding (cryptography)| ]] •
[[Blind signature]] [[Talk:Blind signature| ]] •
[[Block cipher]] [[Talk:Block cipher| ]] •
[[Block cipher mode of operation]] [[Talk:Block cipher mode of operation| ]] •
[[Block size (cryptography)]] [[Talk:Block size (cryptography)| ]] •
[[Blowfish (cipher)]] [[Talk:Blowfish (cipher)| ]] •
[[Blum Blum Shub]] [[Talk:Blum Blum Shub| ]] •
[[Blum–Goldwasser cryptosystem]] [[Talk:Blum–Goldwasser cryptosystem| ]] •
[[Bomba (cryptography)]] [[Talk:Bomba (cryptography)| ]] •
[[Bombe]] [[Talk:Bombe| ]] •
[[Book cipher]] [[Talk:Book cipher| ]] •
[[Books on cryptography]] [[Talk:Books on cryptography| ]] •
[[Boomerang attack]] [[Talk:Boomerang attack| ]] •
[[Boris Hagelin]] [[Talk:Boris Hagelin| ]] •
[[Bouncy Castle (cryptography)]] [[Talk:Bouncy Castle (cryptography)| ]] •
[[Broadcast encryption]] [[Talk:Broadcast encryption| ]] •
[[Bruce Schneier]] [[Talk:Bruce Schneier| ]] •
[[Brute-force attack]] [[Talk:Brute-force attack| ]] •
[[Brute Force: Cracking the Data Encryption Standard]] [[Talk:Brute Force: Cracking the Data Encryption Standard| ]] •
[[Burrows–Abadi–Needham logic]] [[Talk:Burrows–Abadi–Needham logic| ]] •
[[Burt Kaliski]] [[Talk:Burt Kaliski| ]]

==C==
[[C2Net]] [[Talk:C2Net| ]] •
[[C-36 (cipher machine)]] [[Talk:C-36 (cipher machine)| ]] •
[[C-52 (cipher machine)]] [[Talk:C-52 (cipher machine)| ]] •
[[Caesar cipher]] [[Talk:Caesar cipher| ]] •
[[Camellia (cipher)]] [[Talk:Camellia (cipher)| ]] •
[[CAPICOM]] [[Talk:CAPICOM| ]] •
[[Capstone (cryptography)]] [[Talk:Capstone (cryptography)| ]] •
[[Cardan grille]] [[Talk:Cardan grille| ]] •
[[Card catalog (cryptology)]] [[Talk:Card catalog (cryptology)| ]] •
[[Carlisle Adams]] [[Talk:Carlisle Adams| ]] •
[[CAST-128]] [[Talk:CAST-128| ]] •
[[CAST-256]] [[Talk:CAST-256| ]] •
[[Cayley–Purser algorithm]] [[Talk:Cayley–Purser algorithm| ]] •
[[CBC-MAC]] [[Talk:CBC-MAC| ]] •
[[CCM mode]] [[Talk:CCM mode| ]] •
[[CCMP (cryptography)|CCMP]] [[Talk:CCMP (cryptography)| ]] •
[[CD-57]] [[Talk:CD-57| ]] •
[[CDMF]] [[Talk:CDMF| ]] •
[[Cellular Message Encryption Algorithm]] [[Talk:Cellular Message Encryption Algorithm| ]] •
[[Centiban]] [[Talk:Centiban| ]] •
[[Central Security Service]] [[Talk:Central Security Service| ]] •
[[Centre for Applied Cryptographic Research]] [[Talk:Centre for Applied Cryptographic Research| ]] •
[[Central Bureau]] [[Talk:Central Bureau| ]] •
[[Certicom]] [[Talk:Certicom| ]] •
[[Certificate authority]] [[Talk:Certificate authority| ]] •
[[Certificate-based encryption]] [[Talk:Certificate-based encryption| ]] •
[[Certificateless cryptography]] [[Talk:Certificateless cryptography| ]] •
[[Certificate revocation list]] [[Talk:Certificate revocation list| ]] •
[[Certificate signing request]] [[Talk:Certificate signing request| ]] •
[[Certification path validation algorithm]] [[Talk:Certification path validation algorithm| ]] •
[[Chaffing and winnowing]] [[Talk:Chaffing and winnowing| ]] •
[[Challenge-Handshake Authentication Protocol]] [[Talk:Challenge-Handshake Authentication Protocol| ]] •
[[Challenge–response authentication]] [[Talk:Challenge–response authentication| ]] •
[[Chosen-ciphertext attack]] [[Talk:Chosen-ciphertext attack| ]] •
[[Chosen-plaintext attack]] [[Talk:Chosen-plaintext attack| ]] •
[[CIKS-1]] [[Talk:CIKS-1| ]] •
[[Cipher disk]] [[Talk:Cipher disk| ]] •
[[Cipher runes]] [[Talk:Cipher runes| ]] •
[[Cipher security summary]] [[Talk:Cipher security summary| ]] •
[[CipherSaber]] [[Talk:CipherSaber| ]] •
[[Ciphertext expansion]] [[Talk:Ciphertext expansion| ]] •
[[Ciphertext indistinguishability]] [[Talk:Ciphertext indistinguishability| ]] •
[[Ciphertext-only attack]] [[Talk:Ciphertext-only attack| ]] •
[[Ciphertext stealing]] [[Talk:Ciphertext stealing| ]] •
[[CIPHERUNICORN-A]] [[Talk:CIPHERUNICORN-A| ]] •
[[CIPHERUNICORN-E]] [[Talk:CIPHERUNICORN-E| ]] •
[[Classical cipher]] [[Talk:Classical cipher| ]] •
[[Claude Shannon]] [[Talk:Claude Shannon| ]] •
[[Claw-free permutation]] [[Talk:Claw-free permutation| ]] •
[[Cleartext]] [[Talk:Cleartext| ]] •
[[CLEFIA]] [[Talk:CLEFIA| ]] •
[[Clifford Cocks]] [[Talk:Clifford Cocks| ]] •
[[Clipper chip]] [[Talk:Clipper chip| ]] •
[[Clock (cryptography)]] [[Talk:Clock (cryptography)| ]] •
[[Clock drift]] [[Talk:Clock drift| ]] •
[[CMVP]] [[Talk:CMVP| ]] •
[[COCONUT98]] [[Talk:COCONUT98| ]] •
[[Codebook]] [[Talk:Codebook| ]] •
[[Code (cryptography)]] [[Talk:Code (cryptography)| ]] •
[[Code talker]] [[Talk:Code talker| ]] •
[[Codress message]] [[Talk:Codress message| ]] •
[[Cold boot attack]] [[Talk:Cold boot attack| ]] •
[[Collision attack]] [[Talk:Collision attack| ]] •
[[Collision resistance]] [[Talk:Collision resistance| ]] •
[[Colossus computer]] [[Talk:Colossus computer| ]] •
[[Combined Cipher Machine]] [[Talk:Combined Cipher Machine| ]] •
[[Commitment scheme]] [[Talk:Commitment scheme| ]] •
[[Common Scrambling Algorithm]] [[Talk:Common Scrambling Algorithm| ]] •
[[Communications security]] [[Talk:Communications security| ]] •
[[Communications Security Establishment]] [[Talk:Communications Security Establishment| ]] •
[[Communication Theory of Secrecy Systems]] [[Talk:Communication Theory of Secrecy Systems| ]] •
[[Comparison of disk encryption software]] [[Talk:Comparison of disk encryption software| ]] •
[[Comparison of SSH clients]] [[Talk:Comparison of SSH clients| ]] •
[[Completeness (cryptography)]] [[Talk:Completeness (cryptography)| ]] •
[[Complexity trap]] [[Talk:Complexity trap| ]] •
[[Computational Diffie–Hellman assumption]] [[Talk:Computational Diffie–Hellman assumption| ]] •
[[Computational hardness assumption]] [[Talk:Computational hardness assumption| ]] •
[[Computer insecurity]] [[Talk:Computer insecurity| ]] •
[[Computer and network surveillance]] [[Talk:Computer and network surveillance| ]] •
[[COMSEC equipment]] [[Talk:COMSEC equipment| ]] •
[[Conch (SSH)]] [[Talk:Conch (SSH)| ]] •
[[Concrete security]] [[Talk:Concrete security| ]] •
[[Conel Hugh O'Donel Alexander]] [[Talk:Conel Hugh O'Donel Alexander| ]] •
[[Confidentiality]] [[Talk:Confidentiality| ]] •
[[Confusion and diffusion]] [[Talk:Confusion and diffusion| ]] •
[[Content-scrambling system]] [[Talk:Content-scrambling system| ]] •
[[Controlled Cryptographic Item]] [[Talk:Controlled Cryptographic Item| ]] •
[[Corkscrew (program)]] [[Talk:Corkscrew (program)| ]] •
[[Correlation immunity]] [[Talk:Correlation immunity| ]] •
[[COSIC]] [[Talk:COSIC| ]] •
[[Covert channel]] [[Talk:Covert channel| ]] •
[[Cover (telecommunications)]] [[Talk:Cover (telecommunications)| ]] •
[[Crab (cipher)]] [[Talk:Crab (cipher)| ]] •
[[Cramer–Shoup cryptosystem]] [[Talk:Cramer–Shoup cryptosystem| ]] •
[[CRAM-MD5]] [[Talk:CRAM-MD5| ]] •
[[CRHF]] [[Talk:CRHF| ]] •
[[Crib (cryptanalysis)]] [[Talk:Crib (cryptanalysis)| ]] •
[[Crowds (anonymity network)]] [[Talk:Crowds (anonymity network) | ]] •
[[Crypt (C)]] [[Talk:Crypt (C)| ]] •
[[Cryptanalysis]] [[Talk:Cryptanalysis| ]] •
[[Cryptanalysis of the Enigma]] [[Talk:Cryptanalysis of the Enigma| ]] •
[[Cryptanalysis of the Lorenz cipher]] [[Talk:Cryptanalysis of the Lorenz cipher| ]] •
[[Cryptanalytic computer]] [[Talk:Cryptanalytic computer| ]] •
[[Cryptex]] [[Talk:Cryptex| ]] •
[[Cryptico]] [[Talk:Cryptico| ]] •
[[Crypto AG]] [[Talk:Crypto AG| ]] •
[[Crypto-anarchism]] [[Talk:Crypto-anarchism| ]] •
[[Crypto API (Linux)]] [[Talk:CryptoAPI| ]] •
[[Microsoft CryptoAPI]] [[Talk:Crypto API| ]] •
[[CryptoBuddy]] [[Talk:CryptoBuddy| ]] •
[[Cryptochannel]] [[Talk:Cryptochannel| ]] •
[[CRYPTO (conference)]] [[Talk:CRYPTO (conference)| ]] •
[[Cryptogram]] [[Talk:Cryptogram| ]] •
[[Cryptographically Generated Address]] [[Talk:Cryptographically Generated Address| ]] •
[[Cryptographically secure pseudorandom number generator]] [[Talk:Cryptographically secure pseudorandom number generator| ]] •
[[Cryptographically strong]] [[Talk:Cryptographically strong| ]] •
[[Cryptographic Application Programming Interface]] [[Talk:Cryptographic Application Programming Interface| ]] •
[[Cryptographic hash function]] [[Talk:Cryptographic hash function| ]] •
[[Cryptographic key types]] [[Talk:Cryptographic key types| ]] •
[[Cryptographic Message Syntax]] [[Talk:Cryptographic Message Syntax| ]] •
[[Cryptographic primitive]] [[Talk:Cryptographic primitive| ]] •
[[Cryptographic protocol]] [[Talk:Cryptographic protocol| ]] •
[[Cryptographic Service Provider]] [[Talk:Cryptographic Service Provider| ]] •
[[Cryptographie indéchiffrable]] [[Talk:Cryptographie indéchiffrable| ]] •
[[Cryptography]] [[Talk:Cryptography| ]] •
[[Cryptography in Japan]] [[Talk:Cryptography in Japan| ]] •
[[Cryptography newsgroups]] [[Talk:Cryptography newsgroups| ]] •
[[Cryptography standards]] [[Talk:Cryptography standards| ]] •
[[Crypto: How the Code Rebels Beat the Government—Saving Privacy in the Digital Age]] [[Talk:Crypto: How the Code Rebels Beat the Government Saving Privacy in the Digital Age| ]] •
[[Cryptologia]] [[Talk:Cryptologia| ]] •
[[Cryptology ePrint Archive]] [[Talk:Cryptology ePrint Archive| ]] •
[[Cryptology Research Society of India]] [[Talk:Cryptology Research Society of India| ]] •
[[Cryptomathic]] [[Talk:Cryptomathic| ]] •
[[Cryptome]] [[Talk:Cryptome| ]] •
[[Cryptomeria cipher]] [[Talk:Cryptomeria cipher| ]] •
[[Cryptonomicon]] [[Talk:Cryptonomicon| ]] •
[[CrypTool]] [[Talk:CrypTool| ]] •
[[Crypto phone]] [[Talk:Crypto phone| ]] •
[[Crypto-society]] [[Talk:Crypto-society| ]] •
[[Cryptosystem]] [[Talk:Cryptosystem| ]] •
[[Cryptovirology]] [[Talk:Cryptovirology| ]] •
[[CRYPTREC]] [[Talk:CRYPTREC| ]] •
[[CS-Cipher]] [[Talk:CS-Cipher| ]] •
[[Curve25519]] [[Talk:Curve25519| ]] • [[Curve448]] [[Talk:Curve448| ]] • [[Custom hardware attack]] [[Talk:Custom hardware attack| ]] •
[[Cycles per byte]] [[Talk:Cycles per byte| ]] •
[[Cyclometer]] [[Talk:Cyclometer| ]] •
[[Cypherpunk]] [[Talk:Cypherpunk| ]] •
[[Cyrillic Projector]] [[Talk:Cyrillic Projector| ]]

==D==
[[D'Agapeyeff cipher]] [[Talk:D'Agapeyeff cipher| ]] •
[[Daniel J. Bernstein]] [[Talk:Daniel J. Bernstein| ]] •
[[Data Authentication Algorithm]] [[Talk:Data Authentication Algorithm| ]] •
[[Data Encryption Standard]] [[Talk:Data Encryption Standard| ]] •
[[Datagram Transport Layer Security]] [[Talk:Datagram Transport Layer Security| ]] •
[[David Chaum]] [[Talk:David Chaum| ]] •
[[David Kahn (writer)|David Kahn]] [[Talk:David Kahn| ]] •
[[David Naccache]] [[Talk:David Naccache| ]] •
[[David A. Wagner|David Wagner]] [[Talk:David Wagner| ]] •
[[David Wheeler (computer scientist)]] [[Talk:David Wheeler (computer scientist)| ]] •
[[Davies attack]] [[Talk:Davies attack| ]] •
[[Davies–Meyer hash]] [[Talk:Davies–Meyer hash| ]] •
[[DEAL]] [[Talk:DEAL| ]] •
[[Decipherment]] [[Talk:Decipherment| ]] •
[[Decisional Diffie–Hellman assumption]] [[Talk:Decisional Diffie–Hellman assumption| ]] •
[[Decorrelation theory]] [[Talk:Decorrelation theory| ]] •
[[Decrypt]] [[Talk:Decrypt| ]] •
[[DeCSS]] [[Talk:DeCSS| ]] •
[[Defence Signals Directorate]] [[Talk:Defence Signals Directorate| ]] •
[[Degree of anonymity]] [[Talk:Degree of anonymity| ]] •
[[Delegated Path Discovery]] [[Talk:Delegated Path Discovery| ]] •
[[Delegated Path Validation]] [[Talk:Delegated Path Validation| ]] •
[[Deniable encryption]] [[Talk:Deniable encryption| ]] •
[[Derek Taunt]] [[Talk:Derek Taunt| ]] •
[[Derived unique key per transaction]] [[Talk:Derived unique key per transaction| ]] •
[[DES Challenges]] [[Talk:DES Challenges| ]] •
[[DES supplementary material]] [[Talk:DES supplementary material| ]] •
[[DES-X]] [[Talk:DES-X| ]] •
[[Deterministic encryption]] [[Talk:Deterministic encryption| ]] •
[[DFC (cipher)]] [[Talk:DFC (cipher)| ]] •
[[Dictionary attack]] [[Talk:Dictionary attack| ]] •
[[Differential cryptanalysis]] [[Talk:Differential cryptanalysis| ]] •
[[Differential-linear attack]] [[Talk:Differential-linear attack| ]] •
[[Differential power analysis]] [[Talk:Differential power analysis| ]] •
[[Diffie–Hellman key exchange]] [[Talk:Diffie–Hellman key exchange| ]] •
[[Diffie–Hellman problem]] [[Talk:Diffie–Hellman problem| ]] •
[[DigiCipher 2]] [[Talk:DigiCipher 2| ]] •
[[Digital Fortress]] [[Talk:Digital Fortress| ]] •
[[Digital rights management]] [[Talk:Digital rights management| ]] •
[[Digital signature]] [[Talk:Digital signature| ]] •
[[Digital Signature Algorithm]] [[Talk:Digital Signature Algorithm| ]] •
[[Digital signature forgery]] [[Talk:Digital signature forgery| ]] •
[[Digital timestamping]] [[Talk:Digital timestamping| ]] •
[[Digital watermarking]] [[Talk:Digital watermarking| ]] •
[[Dilly Knox]] [[Talk:Dilly Knox| ]] •
[[Dining cryptographers problem]] [[Talk:Dining cryptographers problem| ]] •
[[Diplomatic bag]] [[Talk:Diplomatic bag| ]] •
[[Direct Anonymous Attestation]] [[Talk:Direct Anonymous Attestation| ]] •
[[Discrete logarithm]] [[Talk:Discrete logarithm| ]] •
[[Disk encryption]] [[Talk:Disk encryption| ]] •
[[Disk encryption hardware]] [[Talk:Disk encryption hardware| ]] •
[[Disk encryption software]] [[Talk:Disk encryption software| ]] •
[[Distance-bounding protocol]] [[Talk:Distance-bounding protocol| ]] •
[[Distinguishing attack]] [[Talk:Distinguishing attack| ]] •
[[Distributed.net]] [[Talk:Distributed.net| ]] •
[[DMA attack]] [[Talk:DMA attack| ]] •
[[dm-crypt]] [[Talk:dm-crypt| ]] •
[[Dmitry Sklyarov]] [[Talk:Dmitry Sklyarov| ]] •
[[DomainKeys]] [[Talk:DomainKeys| ]] •
[[Don Coppersmith]] [[Talk:Don Coppersmith| ]] •
[[Dorabella Cipher]] [[Talk:Dorabella Cipher| ]] •
[[Double Ratchet Algorithm]] [[Talk:Double Ratchet Algorithm| ]] •
[[Doug Stinson]] [[Talk:Doug Stinson| ]] •
[[Dragon (cipher)]] [[Talk:Dragon (cipher)| ]] •
[[DRYAD]] [[Talk:DRYAD| ]] •
[[Dual_EC_DRBG]] [[Talk:Dual EC DRBG| ]] •

==E==
[[E0 (cipher)]] [[Talk:E0 (cipher)| ]] •
[[E2 (cipher)]] [[Talk:E2 (cipher)| ]] •
[[E4M]] [[Talk:E4M| ]] •
[[EAP-AKA]] [[Talk:EAP-AKA| ]] •
[[EAP-SIM]] [[Talk:EAP-SIM| ]] •
[[EAX mode]] [[Talk:EAX mode| ]] •
[[ECC patents]] [[Talk:ECC patents| ]] •
[[ECHELON]] [[Talk:ECHELON| ]] •
[[ECRYPT]] [[Talk:ECRYPT| ]] •
[[Edouard Fleissner von Wostrowitz]] [[Talk:Edouard Fleissner von Wostrowitz| ]] •
[[Edward Hebern]] [[Talk:Edward Hebern| ]] •
[[Edward Scheidt]] [[Talk:Edward Scheidt| ]] •
[[Edward Travis]] [[Talk:Edward Travis| ]] •
[[EFF DES cracker]] [[Talk:EFF DES cracker| ]] •
[[Efficient Probabilistic Public-Key Encryption Scheme]] [[Talk:Efficient Probabilistic Public-Key Encryption Scheme| ]] •
[[EKMS]] [[Talk:EKMS| ]] •
[[Electronic Communications Act 2000]] [[Talk:Electronic Communications Act 2000| ]] •
[[Electronic money]] [[Talk:Electronic money| ]] •
[[Electronic signature]] [[Talk:Electronic signature| ]] •
[[Electronic voting]] [[Talk:Electronic voting| ]] •
[[ElGamal encryption]] [[Talk:ElGamal encryption| ]] •
[[ElGamal signature scheme]] [[Talk:ElGamal signature scheme| ]] •
[[Eli Biham]] [[Talk:Eli Biham| ]] •
[[Elizebeth Friedman]] [[Talk:Elizebeth Friedman| ]] •
[[Elliptic-curve cryptography]] [[Talk:Elliptic-curve cryptography| ]] •
[[Elliptic-curve Diffie–Hellman]] [[Talk:Elliptic-curve Diffie–Hellman| ]] •
[[Elliptic Curve DSA]] [[Talk:Elliptic Curve DSA| ]] • [[EdDSA]] [[Talk:EdDSA| ]] • [[Elliptic curve only hash]] [[Talk:Elliptic curve only hash| ]] •
[[Elonka Dunin]] [[Talk:Elonka Dunin| ]] •
[[Encrypted function]] [[Talk:Encrypted function| ]] •
[[Encrypted key exchange]] [[Talk:Encrypted key exchange| ]] •
[[Encrypting File System]] [[Talk:Encrypting File System| ]] •
[[Encryption]] [[Talk:Encryption| ]] •
[[Encryption software]] [[Talk:Encryption software| ]] •
[[Enigmail]] [[Talk:Enigmail| ]] •
[[Enigma machine]] [[Talk:Enigma machine| ]] •
[[Enigma rotor details]] [[Talk:Enigma rotor details| ]] •
[[Entrust]] [[Talk:Entrust| ]] •
[[Ernst Fetterlein]] [[Talk:Ernst Fetterlein| ]] •
[[eSTREAM]] [[Talk:eSTREAM| ]] •
[[Étienne Bazeries]] [[Talk:Étienne Bazeries| ]] •
[[Eurocrypt]] [[Talk:Eurocrypt| ]] •
[[EuroCrypt]] [[Talk:EuroCrypt| ]] •
[[Export of cryptography]] [[Talk:Export of cryptography| ]] •
[[Extensible Authentication Protocol]] [[Talk:Extensible Authentication Protocol| ]]

==F==
[[Fast Software Encryption]] [[Talk:Fast Software Encryption| ]] •
[[Fast syndrome-based hash]] [[Talk:Fast syndrome-based hash| ]] •
[[FEA-M]] [[Talk:FEA-M| ]] •
[[FEAL]] [[Talk:FEAL| ]] •
[[Feige–Fiat–Shamir identification scheme]] [[Talk:Feige–Fiat–Shamir identification scheme| ]] •
[[Feistel cipher]] [[Talk:Feistel cipher| ]] •
[[Félix Delastelle]] [[Talk:Félix Delastelle| ]] •
[[Fialka]] [[Talk:Fialka| ]] •
[[Filesystem-level encryption]] [[Talk:Filesystem-level encryption| ]] •
[[FileVault]] [[Talk:FileVault| ]] •
[[Fill device]] [[Talk:Fill device| ]] •
[[Financial cryptography]] [[Talk:Financial cryptography| ]] •
[[FIPS 140]] [[Talk:FIPS 140| ]] •
[[FIPS 140-2]] [[Talk:FIPS 140-2| ]] •
[[Firefly (key exchange protocol)]] [[Talk:Firefly (key exchange protocol)| ]] •
[[FISH (cipher)]] [[Talk:FISH (cipher)| ]] •
[[Fish (cryptography)]] [[Talk:Fish (cryptography)| ]] •
[[Floradora]] [[Talk:Floradora| ]] •
[[Fluhrer, Mantin and Shamir attack]] [[Talk:Fluhrer, Mantin and Shamir attack| ]] •
[[Format-preserving encryption]] [[Talk:Format-preserving encryption| ]] •
[[Fortezza]] [[Talk:Fortezza| ]] •
[[Fort George G. Meade]] [[Talk:Fort George G. Meade| ]] •
[[Fortuna (PRNG)]] [[Talk:Fortuna (PRNG)| ]] •
[[Four-square cipher]] [[Talk:Four-square cipher| ]] •
[[Franciszek Pokorny]] [[Talk:Franciszek Pokorny| ]] •
[[Frank A. Stevenson]] [[Talk:Frank A. Stevenson| ]] •
[[Frank Rowlett]] [[Talk:Frank Rowlett| ]] •
[[Freenet]] [[Talk:Freenet| ]] •
[[FreeOTFE]] [[Talk:FreeOTFE| ]] •
[[FreeS/WAN]] [[Talk:FreeS/WAN| ]] •
[[Frequency analysis]] [[Talk:Frequency analysis| ]] •
[[Friedrich Kasiski]] [[Talk:Friedrich Kasiski| ]] •
[[Fritz-chip]] [[Talk:Fritz-chip| ]] •
[[FROG]] [[Talk:FROG| ]] •
[[FROSTBURG]] [[Talk:FROSTBURG| ]] •
[[FTP over SSH]] [[Talk:FTP over SSH| ]] •
[[Full disk encryption]] [[Talk:Full disk encryption| ]] •
[[Full Domain Hash]] [[Talk:Full Domain Hash| ]] •
[[F. W. Winterbotham]] [[Talk:F. W. Winterbotham| ]]

==G==
[[Galois/Counter Mode]] [[Talk:Galois/Counter Mode| ]] •
[[Gardening (cryptanalysis)]] [[Talk:Gardening (cryptanalysis)| ]] •
[[GCHQ Bude]] [[Talk:GCHQ Bude| ]] •
[[GCHQ CSO Morwenstow]] [[Talk:GCHQ CSO Morwenstow| ]] •
[[GDES]] [[Talk:GDES| ]] •
[[Generic Security Services Application Program Interface]] [[Talk:Generic Security Services Application Program Interface| ]] •
[[George Blakley]] [[Talk:George Blakley| ]] •
[[George Scovell]] [[Talk:George Scovell| ]] •
[[GGH encryption scheme]] [[Talk:GGH encryption scheme| ]] •
[[GGH signature scheme]] [[Talk:GGH signature scheme| ]] •
[[Gilbert Vernam]] [[Talk:Gilbert Vernam| ]] •
[[GMR (cryptography)]] [[Talk:GMR (cryptography)| ]] •
[[GNU Privacy Guard]] [[Talk:GNU Privacy Guard| ]] •
[[GnuTLS]] [[Talk:GnuTLS| ]] •
[[Goldwasser–Micali cryptosystem]] [[Talk:Goldwasser–Micali cryptosystem| ]] •
[[Gordon Welchman]] [[Talk:Gordon Welchman| ]] •
[[GOST (block cipher)]] [[Talk:GOST (block cipher)| ]] •
[[GOST (hash function)]] [[Talk:GOST (hash function)| ]] •
[[Government Communications Headquarters]] [[Talk:Government Communications Headquarters| ]] •
[[Government Communications Security Bureau]] [[Talk:Government Communications Security Bureau| ]] •
[[Grain (cipher)]] [[Talk:Grain (cipher)| ]] •
[[Grand Cru (cipher)]] [[Talk:Grand Cru (cipher)| ]] •
[[Great Cipher]] [[Talk:Great Cipher| ]] •
[[Grill (cryptology)]] [[Talk:Grill (cryptology)| ]] •
[[Grille (cryptography)]] [[Talk:Grille (cryptography)| ]] •
[[Group-based cryptography]] [[Talk:Group-based cryptography| ]] •
[[Group signature]] [[Talk:Group signature| ]] •
[[Grover's algorithm]] [[Talk:Grover's algorithm| ]] •
[[Gustave Bertrand]] [[Talk:Gustave Bertrand| ]] •
[[Gwido Langer]] [[Talk:Gwido Langer| ]]

==H==
[[H.235]] [[Talk:H.235| ]] •
[[HAIFA construction]] [[Talk:HAIFA construction| ]] •
[[HAIPE]] [[Talk:HAIPE| ]] •
[[Hans Dobbertin]] [[Talk:Hans Dobbertin| ]] •
[[Hans-Thilo Schmidt]] [[Talk:Hans-Thilo Schmidt| ]] •
[[Hard-core predicate]] [[Talk:Hard-core predicate| ]] •
[[Hardware random number generator]] [[Talk:Hardware random number generator| ]] •
[[Hardware security module]] [[Talk:Hardware security module| ]] •
[[Harold Keen]] [[Talk:Harold Keen| ]] •
[[Harry Hinsley]] [[Talk:Harry Hinsley| ]] •
[[Harvest (computer)]] [[Talk:Harvest (computer)| ]] •
[[HAS-160]] [[Talk:HAS-160| ]] •
[[Hash-based cryptography]] [[Talk:Hash-based cryptography| ]] •
[[Hashcash]] [[Talk:Hashcash| ]] •
[[Hash chain]] [[Talk:Hash chain| ]] •
[[Hash function security summary]] [[Talk:Hash function security summary| ]] •
[[Hash list]] [[Talk:Hash list| ]] •
[[Hasty Pudding cipher]] [[Talk:Hasty Pudding cipher| ]] •
[[HAVAL]] [[Talk:HAVAL| ]] •
[[HC-256]] [[Talk:HC-256| ]] •
[[HC-9]] [[Talk:HC-9| ]] •
[[Heath Robinson (codebreaking machine)]] [[Talk:Heath Robinson (codebreaking machine)| ]] •
[[Hebern rotor machine]] [[Talk:Hebern rotor machine| ]] •
[[Henri Braquenié]] [[Talk:Henri Braquenié| ]] •
[[Henryk Zygalski]] [[Talk:Henryk Zygalski| ]] •
[[Herbert Yardley]] [[Talk:Herbert Yardley| ]] •
[[Hidden Field Equations]] [[Talk:Hidden Field Equations| ]] •
[[Hideki Imai]] [[Talk:Hideki Imai| ]] •
[[Hierocrypt]] [[Talk:Hierocrypt| ]] •
[[High-bandwidth Digital Content Protection]] [[Talk:High-bandwidth Digital Content Protection| ]] •
[[Higher-order differential cryptanalysis]] [[Talk:Higher-order differential cryptanalysis| ]] •
[[Hill cipher]] [[Talk:Hill cipher| ]] •
[[History of cryptography]] [[Talk:History of cryptography| ]] •
[[HMAC]] [[Talk:HMAC| ]] •
[[HMAC-based One-time Password algorithm]] [[Talk:HMAC-based One-time Password algorithm| ]] (HOTP) •
[[Horst Feistel]] [[Talk:Horst Feistel| ]] •
[[Howard Heys]] [[Talk:Howard Heys| ]] •
[[Https]] [[Talk:Https| ]] •
[[Hugo Hadwiger]] [[Talk:Hugo Hadwiger| ]] •
[[Hugo Koch]] [[Talk:Hugo Koch| ]] •
[[Hushmail]] [[Talk:Hushmail| ]] •
[[Hut 6]] [[Talk:Hut 6| ]] •
[[Hut 8]] [[Talk:Hut 8| ]] •
[[HX-63]] [[Talk:HX-63| ]] •
[[Hybrid cryptosystem]] [[Talk:Hybrid cryptosystem| ]] •
[[Hyperelliptic curve cryptography]] [[Talk:Hyperelliptic curve cryptography| ]] •
[[Hyper-encryption]] [[Talk:Hyper-encryption| ]]

==I==
[[Ian Goldberg]] [[Talk:Ian Goldberg| ]] •
[[IBM 4758]] [[Talk:IBM 4758| ]] •
[[ICE (cipher)]] [[Talk:ICE (cipher)| ]] •
[[ID-based cryptography]] [[Talk:ID-based cryptography| ]] •
[[IDEA NXT]] [[Talk:IDEA NXT| ]] •
[[Identification friend or foe]] [[Talk:Identification friend or foe| ]] •
[[IEEE 802.11i]] [[Talk:IEEE 802.11i| ]] •
[[IEEE P1363]] [[Talk:IEEE P1363| ]] •
[[I. J. Good]] [[Talk:I. J. Good| ]] •
[[Illegal prime]] [[Talk:Illegal prime| ]] •
[[Impossible differential cryptanalysis]] [[Talk:Impossible differential cryptanalysis| ]] •
[[Index of coincidence]] [[Talk:Index of coincidence| ]] •
[[Indifferent chosen-ciphertext attack]] [[Talk:Indifferent chosen-ciphertext attack| ]] •
[[Indistinguishability obfuscation]] [[Talk:Indistinguishability obfuscation| ]] •
[[Indocrypt]] [[Talk:Indocrypt| ]] •
[[Information leakage]] [[Talk:Information leakage| ]] •
[[Information Security Group]] [[Talk:Information Security Group| ]] •
[[Information-theoretic security]] [[Talk:Information-theoretic security| ]] •
[[Initialization vector]] [[Talk:Initialization vector| ]] •
[[Integer factorization]] [[Talk:Integer factorization| ]] •
[[Integral cryptanalysis]] [[Talk:Integral cryptanalysis| ]] •
[[Integrated Encryption Scheme]] [[Talk:Integrated Encryption Scheme| ]] •
[[Integrated Windows Authentication]] [[Talk:Integrated Windows Authentication| ]] •
[[Interlock protocol]] [[Talk:Interlock protocol| ]] •
[[Intermediate certificate authorities]] [[Talk:Intermediate certificate authorities| ]] •
[[International Association for Cryptologic Research]] [[Talk:International Association for Cryptologic Research| ]] •
[[International Data Encryption Algorithm]] [[Talk:International Data Encryption Algorithm| ]] •
[[Internet Key Exchange]] [[Talk:Internet Key Exchange| ]] •
[[Internet Security Association and Key Management Protocol]] [[Talk:Internet Security Association and Key Management Protocol| ]] •
[[Interpolation attack]] [[Talk:Interpolation attack| ]] •
[[Invisible ink]] [[Talk:Invisible ink| ]] •
[[IPsec]] [[Talk:IPsec| ]] •
[[Iraqi block cipher]] [[Talk:Iraqi block cipher| ]] •
[[ISAAC (cipher)]] [[Talk:ISAAC (cipher)| ]] •
[[ISO 19092-2]] [[Talk:ISO 19092-2| ]] •
[[ISO/IEC 9797]] [[Talk:ISO/IEC 9797| ]] •
[[Ivan Damgård]] [[Talk:Ivan Damgård| ]]

==J==
[[Jacques Stern]] [[Talk:Jacques Stern| ]] •
[[JADE (cypher machine)]] [[Talk:JADE (cypher machine)| ]] •
[[James Gillogly]] [[Talk:James Gillogly| ]] •
[[James H. Ellis]] [[Talk:James H. Ellis| ]] •
[[James Massey]] [[Talk:James Massey| ]] •
[[Jan Graliński]] [[Talk:Jan Graliński| ]] •
[[Jan Kowalewski]] [[Talk:Jan Kowalewski| ]] •
[[Japanese naval codes]] [[Talk:Japanese naval codes| ]] •
[[Java Cryptography Architecture]] [[Talk:Java Cryptography Architecture| ]] •
[[Jefferson disk]] [[Talk:Jefferson disk| ]] •
[[Jennifer Seberry]] [[Talk:Jennifer Seberry| ]] •
[[Jerzy Różycki]] [[Talk:Jerzy Różycki| ]] •
[[Joan Daemen]] [[Talk:Joan Daemen| ]] •
[[Johannes Trithemius]] [[Talk:Johannes Trithemius| ]] •
[[John Herivel]] [[Talk:John Herivel| ]] •
[[John Kelsey (cryptanalyst)]] [[Talk:John Kelsey (cryptanalyst)| ]] •
[[John R. F. Jeffreys]] [[Talk:John R. F. Jeffreys| ]] •
[[John Tiltman]] [[Talk:John Tiltman| ]] •
[[Jon Lech Johansen]] [[Talk:Jon Lech Johansen| ]] •
[[Josef Pieprzyk]] [[Talk:Josef Pieprzyk| ]] •
[[Joseph Desch]] [[Talk:Joseph Desch| ]] •
[[Joseph Finnegan (cryptographer)]] [[Talk:Joseph Finnegan (cryptographer)| ]] •
[[Joseph Mauborgne]] [[Talk:Joseph Mauborgne| ]] •
[[Joseph Rochefort]] [[Talk:Joseph Rochefort| ]] •
[[Journal of Cryptology]] [[Talk:Journal of Cryptology| ]] •
[[Junger v. Daley]] [[Talk:Junger v. Daley| ]]

==K==
[[Kaisa Nyberg]] [[Talk:Kaisa Nyberg| ]] •
[[Kalyna (cipher)]] [[Talk:Kalyna (cipher)| ]] •
[[Kasiski examination]] [[Talk:Kasiski examination| ]] •
[[KASUMI]] [[Talk:KASUMI| ]] •
[[KCDSA]] [[Talk:KCDSA| ]] •
[[KeePass]] [[Talk:KeePass| ]] •
[[Kerberos (protocol)]] [[Talk:Kerberos (protocol)| ]] •
[[Kerckhoffs's principle]] [[Talk:Kerckhoffs's principle| ]] •
[[Kevin McCurley (cryptographer)]] [[Talk:Kevin McCurley| ]] •
[[Key-agreement protocol]] [[Talk:Key-agreement protocol| ]] •
[[Key authentication]] [[Talk:Key authentication| ]] •
[[Key clustering]] [[Talk:Key clustering| ]] •
[[Key (cryptography)]] [[Talk:Key (cryptography)| ]] •
[[Key derivation function]] [[Talk:Key derivation function| ]] •
[[Key distribution center]] [[Talk:Key distribution center| ]] •
[[Key escrow]] [[Talk:Key escrow| ]] •
[[Key exchange]] [[Talk:Key exchange| ]] •
[[Keyfile]] [[Talk:Keyfile| ]] •
[[Key generation]] [[Talk:Key generation| ]] •
[[Key generator]] [[Talk:Key generator| ]] •
[[Key management]] [[Talk:Key management| ]] •
[[Key-recovery attack]] [[Talk:Key-recovery attack| ]] •
[[Key schedule]] [[Talk:Key schedule| ]] •
[[Key server (cryptographic)]] [[Talk:Key server (cryptographic)| ]] •
[[Key signature (cryptography)]] [[Talk:Key signature (cryptography)| ]] •
[[Keysigning]] [[Talk:Keysigning| ]] •
[[Key signing party]] [[Talk:Key signing party| ]] •
[[Key size]] [[Talk:Key size| ]] •
[[Key space (cryptography)]] [[Talk:Key space| ]] •
[[Keystream]] [[Talk:Keystream| ]] •
[[Key stretching]] [[Talk:Key stretching| ]] •
[[Key whitening]] [[Talk:Key whitening| ]] •
[[KG-84]] [[Talk:KG-84| ]] •
[[KHAZAD]] [[Talk:KHAZAD| ]] •
[[Khufu and Khafre]] [[Talk:Khufu and Khafre| ]] •
[[Kiss (cryptanalysis)]] [[Talk:Kiss (cryptanalysis)| ]] •
[[KL-43]] [[Talk:KL-43| ]] •
[[KL-51]] [[Talk:KL-51| ]] •
[[KL-7]] [[Talk:KL-7| ]] •
[[Kleptography]] [[Talk:Kleptography| ]] •
[[KN-Cipher]] [[Talk:KN-Cipher| ]] •
[[Knapsack problem]] [[Talk:Knapsack problem| ]] •
[[Known-key distinguishing attack]] [[Talk:Known-key distinguishing attack| ]] •
[[Known-plaintext attack]] [[Talk:Known-plaintext attack| ]] •
[[KnownSafe]] [[Talk:KnownSafe| ]] •
[[KOI-18]] [[Talk:KOI-18| ]] •
[[KOV-14]] [[Talk:KOV-14| ]] •
[[Kryha]] [[Talk:Kryha| ]] •
[[Kryptos]] [[Talk:Kryptos| ]] •
[[KSD-64]] [[Talk:KSD-64| ]] •
[[Kupyna]] [[Talk:Kupyna| ]] •
[[Kuznyechik]] [[Talk:Kuznyechik| ]] •
[[KW-26]] [[Talk:KW-26| ]] •
[[KW-37]] [[Talk:KW-37| ]] •
[[KY-3]] [[Talk:KY-3| ]] •
KY-57 [[Talk:KY-57| ]] •
[[KY-58]] [[Talk:KY-58| ]] •
[[KY-68]] [[Talk:KY-68| ]] •
[[KYK-13]] [[Talk:KYK-13| ]]

==L==
[[Lacida]] [[Talk:Lacida| ]] •
[[Ladder-DES]] [[Talk:Ladder-DES| ]] •
[[Lamport signature]] [[Talk:Lamport signature| ]] •
[[Lars Knudsen]] [[Talk:Lars Knudsen| ]] •
[[Lattice-based cryptography]] [[Talk:Lattice-based cryptography| ]] •
[[Laurance Safford]] [[Talk:Laurance Safford| ]] •
[[Lawrie Brown]] [[Talk:Lawrie Brown| ]] •
[[LCS35]] [[Talk:LCS35| ]] •
[[Leo Marks]] [[Talk:Leo Marks| ]] •
[[Leonard Adleman]] [[Talk:Leonard Adleman| ]] •
[[Leon Battista Alberti]] [[Talk:Leon Battista Alberti| ]] •
[[Leo Rosen]] [[Talk:Leo Rosen| ]] •
[[Leslie Yoxall]] [[Talk:Leslie Yoxall| ]] •
[[LEVIATHAN (cipher)]] [[Talk:LEVIATHAN (cipher)| ]] •
[[LEX (cipher)]] [[Talk:LEX (cipher)| ]] •
[[Libelle (cipher)]] [[Talk:Libelle (cipher)| ]] •
[[Linear cryptanalysis]] [[Talk:Linear cryptanalysis| ]] •
[[Linear-feedback shift register]] [[Talk:Linear feedback shift register| ]] •
[[Link encryption]] [[Talk:Link encryption| ]] •
[[List of ciphertexts]] [[Talk:List of ciphertexts| ]] •
[[List of cryptographers]] [[Talk:List of cryptographers| ]] •
[[List of cryptographic file systems]] [[Talk:List of cryptographic file systems| ]] •
[[List of cryptographic key types]] [[Talk:List of cryptographic key types| ]] •
List of cryptology conferences [[Talk:List of cryptology conferences| ]] •
[[List of telecommunications encryption terms]] [[Talk:List of telecommunications encryption terms| ]] • [[List of people associated with Bletchley Park]] • 
[[Talk:List of people associated with Bletchley Park| ]] [[List of SFTP clients]] [[Talk:List of SFTP clients| ]] •
[[List of SFTP server software]] [[Talk:List of SFTP server software| ]] •
[[LOKI]] [[Talk:LOKI| ]] •
[[LOKI97]] [[Talk:LOKI97| ]] •
[[Lorenz cipher]] [[Talk:Lorenz cipher| ]] •
[[Louis W. Tordella]] [[Talk:Louis W. Tordella| ]] •
[[Lsh]] [[Talk:Lsh| ]] •
[[Lucifer (cipher)]] [[Talk:Lucifer (cipher)| ]] •
[[Lyra2]] [[Talk:Lyra2| ]]

==M==
[[M6 (cipher)]] [[Talk:M6 (cipher)| ]] •
[[M8 (cipher)]] [[Talk:M8 (cipher)| ]] •
[[M-209]] [[Talk:M-209| ]] •
[[M-325]] [[Talk:M-325| ]] •
[[M-94]] [[Talk:M-94| ]] •
[[MacGuffin (cipher)]] [[Talk:MacGuffin (cipher)| ]] •
[[Madryga]] [[Talk:Madryga| ]] •
[[MAGENTA]] [[Talk:MAGENTA| ]] •
[[Magic (cryptography)]] [[Talk:Magic (cryptography)| ]] •
[[Maksymilian Ciężki]] [[Talk:Maksymilian Ciężki| ]] •
[[Malcolm J. Williamson]] [[Talk:Malcolm J. Williamson| ]] •
[[Malleability (cryptography)]] [[Talk:Malleability (cryptography)| ]] •
[[Man-in-the-middle attack]] [[Talk:Man-in-the-middle attack| ]] •
[[Marian Rejewski]] [[Talk:Marian Rejewski| ]] •
[[MARS (cryptography)]] [[Talk:MARS| ]] •
[[Martin Hellman]] [[Talk:Martin Hellman| ]] •
[[MaruTukku]] [[Talk:MaruTukku| ]] •
[[Massey–Omura cryptosystem]] [[Talk:Massey–Omura cryptosystem| ]] •
[[Matt Blaze]] [[Talk:Matt Blaze| ]] •
[[Matt Robshaw]] [[Talk:Matt Robshaw| ]] •
[[Max Newman]] [[Talk:Max Newman| ]] •
[[McEliece cryptosystem]] [[Talk:McEliece cryptosystem| ]] •
[[mcrypt]] [[Talk:mcrypt| ]] •
[[MD2 (cryptography)]] [[Talk:MD2| ]] •
[[MD4]] [[Talk:MD4| ]] •
[[MD5]] [[Talk:MD5| ]] •
[[MD5CRK]] [[Talk:MD5CRK| ]] •
[[MDC-2]] [[Talk:MDC-2| ]] •
[[MDS matrix]] [[Talk:MDS matrix| ]] •
[[Mean shortest distance]] [[Talk:Mean shortest distance| ]] •
[[Meet-in-the-middle attack]] [[Talk:Meet-in-the-middle attack| ]] •
[[Mental poker]] [[Talk:Mental poker| ]] •
[[Mercury (cipher machine)]] [[Talk:Mercury (cipher machine)| ]] •
[[Mercy (cipher)]] [[Talk:Mercy (cipher)| ]] •
[[Meredith Gardner]] [[Talk:Meredith Gardner| ]] •
[[Merkle signature scheme]] [[Talk:Merkle signature scheme| ]] •
[[Merkle–Damgård construction]] [[Talk:Merkle–Damgård construction| ]] •
[[Merkle–Hellman knapsack cryptosystem]] [[Talk:Merkle–Hellman knapsack cryptosystem| ]] •
[[Merkle's Puzzles]] [[Talk:Merkle's Puzzles| ]] •
[[Merkle tree]] [[Talk:Merkle tree| ]] •
[[MESH (cipher)]] [[Talk:MESH (cipher)| ]] •
[[Message authentication]] [[Talk:Message authentication| ]] •
[[Message authentication code]] [[Talk:Message authentication code| ]] •
[[Message forgery]] [[Talk:Message forgery| ]] •
[[MI8]] [[Talk:MI8| ]] •
[[Michael Luby]] [[Talk:Michael Luby| ]] •
[[MICKEY]] [[Talk:MICKEY| ]] •
[[Microdot]] [[Talk:Microdot| ]] •
[[Military Cryptanalysis (book) (William F. Friedman)]] [[Talk:Military Cryptanalysis (book) (William F. Friedman)| ]] •
[[Military Cryptanalytics]] [[Talk:Military Cryptanalytics| ]] •
[[Mimic function]] [[Talk:Mimic function| ]] •
[[Mirror writing]] [[Talk:Mirror writing| ]] •
[[MISTY1]] [[Talk:MISTY1| ]] •
[[Mitsuru Matsui]] [[Talk:Mitsuru Matsui| ]] •
[[MMB (cipher)]] [[Talk:MMB (cipher)| ]] •
[[Mod n cryptanalysis]] [[Talk:Mod n cryptanalysis| ]] •
[[MQV]] [[Talk:MQV| ]] •
[[MS-CHAP]] [[Talk:MS-CHAP| ]] •
[[MUGI]] [[Talk:MUGI| ]] •
[[MULTI-S01]] [[Talk:MULTI-S01| ]] •
[[MultiSwap]] [[Talk:MultiSwap| ]] •
[[Multivariate cryptography]] [[Talk:Multivariate cryptography| ]]

==N==
[[National Communications Centre]] [[Talk:National Communications Centre| ]] •
[[National Cryptologic Museum]] [[Talk:National Cryptologic Museum| ]] •
[[National Security Agency]] [[Talk:National Security Agency| ]] •
[[National Cipher Challenge]] [[Talk:National Cipher Challenge| ]] •
[[Navajo I]] [[Talk:Navajo I| ]] •
[[Neal Koblitz]] [[Talk:Neal Koblitz| ]] •
[[Needham–Schroeder protocol]] [[Talk:Needham–Schroeder protocol| ]] •
[[Negligible function]] [[Talk:Negligible function| ]] •
[[NEMA (machine)]] [[Talk:NEMA (machine)| ]] •
[[NESSIE]] [[Talk:NESSIE| ]] •
[[Network Security Services]] [[Talk:Network Security Services| ]] •
[[Neural cryptography]] [[Talk:Neural cryptography| ]] •
[[New Data Seal]] [[Talk:New Data Seal| ]] •
[[NewDES]] [[Talk:NewDES| ]] •
[[N-Hash]] [[Talk:N-Hash| ]] •
[[Nicolas Courtois]] [[Talk:Nicolas Courtois| ]] •
[[Niederreiter cryptosystem]] [[Talk:Niederreiter cryptosystem| ]] •
[[Niels Ferguson]] [[Talk:Niels Ferguson| ]] •
[[Nigel de Grey]] [[Talk:Nigel de Grey| ]] •
[[Nihilist cipher]] [[Talk:Nihilist cipher| ]] •
[[Nikita Borisov]] [[Talk:Nikita Borisov| ]] •
[[Nimbus (cipher)]] [[Talk:Nimbus (cipher)| ]] •
[[NIST hash function competition]] [[Talk:NIST hash function competition| ]] •
[[Nonlinear-feedback shift register]] [[Talk:Nonlinear-feedback shift register| ]] •
[[NOEKEON]] [[Talk:NOEKEON| ]] •
[[Non-malleable codes]] [[Talk:Non-malleable codes| ]] •
[[Noreen]] [[Talk:Noreen| ]] •
[[Nothing up my sleeve number]] [[Talk:Nothing up my sleeve number| ]] •
[[NSA cryptography]] [[Talk:NSA cryptography| ]] •
[[NSA encryption systems]] [[Talk:NSA encryption systems| ]] •
NSA in fiction [[Talk:NSA in fiction| ]] •
[[NSAKEY]] [[Talk:NSAKEY| ]] •
[[NSA Suite A Cryptography]] [[Talk:NSA Suite A Cryptography| ]] •
[[NSA Suite B Cryptography]] [[Talk:NSA Suite B Cryptography| ]] •
[[NT LAN Manager]] [[Talk:NT LAN Manager| ]] •
[[NTLMSSP]] [[Talk:NTLMSSP| ]] •
[[NTRUEncrypt]] [[Talk:NTRUEncrypt| ]] •
[[NTRUSign]] [[Talk:NTRUSign| ]] •
[[Null cipher]] [[Talk:Null cipher| ]] •
[[Numbers station]] [[Talk:Numbers station| ]] •
[[NUSH]] [[Talk:NUSH| ]] •
[[NTRU]] [[Talk:NTRU| ]]

==O==
[[Oblivious transfer]] [[Talk:Oblivious transfer| ]] •
[[OCB mode]] [[Talk:OCB mode| ]] •
[[Oded Goldreich]] [[Talk:Oded Goldreich| ]] •
[[Off-the-Record Messaging]] [[Talk:Off-the-Record Messaging| ]] •
[[Okamoto–Uchiyama cryptosystem]] [[Talk:Okamoto–Uchiyama cryptosystem| ]] •
[[OMI cryptograph]] [[Talk:OMI cryptograph| ]] •
[[OMNI (SCIP)]] [[Talk:OMNI (SCIP)| ]] •
[[One-key MAC]] [[Talk:One-key MAC| ]] •
[[One-time pad]] [[Talk:One-time pad| ]] •
[[One-time password]] [[Talk:One-time password| ]] •
[[One-way compression function]] [[Talk:One-way compression function| ]] •
[[One-way function]] [[Talk:One-way function| ]] •
[[Onion routing]] [[Talk:Onion routing| ]] •
[[Online Certificate Status Protocol]] [[Talk:Online Certificate Status Protocol| ]] •
[[OP-20-G]] [[Talk:OP-20-G| ]] •
[[OpenPGP card]] [[Talk:OpenPGP card| ]] •
[[OpenSSH]] [[Talk:OpenSSH| ]] •
[[OpenSSL]] [[Talk:OpenSSL| ]] •
[[Openswan]] [[Talk:Openswan| ]] •
[[OpenVPN]] [[Talk:OpenVPN| ]] •
[[Operation Ruthless]] [[Talk:Operation Ruthless| ]] •
[[Optimal asymmetric encryption padding]] [[Talk:Optimal asymmetric encryption padding| ]] •
[[Over the Air Rekeying]] [[Talk:Over the Air Rekeying| ]] (OTAR) •
[[OTFE]] [[Talk:OTFE| ]] •
[[Otway–Rees protocol]] [[Talk:Otway–Rees protocol| ]]

==P==
[[Padding (cryptography)]] [[Talk:Padding (cryptography)| ]] •
[[Padding oracle attack]]  [[Talk:Padding oracle attack| ]] •
[[Paillier cryptosystem]] [[Talk:Paillier cryptosystem| ]] •
[[Pairing-based cryptography]] [[Talk:Pairing-based cryptography| ]] •
[[Panama (cryptography)]] [[Talk:Panama (cryptography)| ]] •
[[Partitioning cryptanalysis]] [[Talk:Partitioning cryptanalysis| ]] •
[[Passive attack]] [[Talk:Passive attack| ]] •
[[Passphrase]] [[Talk:Passphrase| ]] •
[[Password]] [[Talk:Password| ]] •
[[Password-authenticated key agreement]] [[Talk:Password-authenticated key agreement| ]] •
[[Password cracking]] [[Talk:Password cracking| ]] •
[[Password Hashing Competition]] [[Talk:Password Hashing Competition| ]] •
[[Paul Carl Kocher|Paul Kocher]] [[Talk:Paul Kocher| ]] •
[[Paulo Pancatuccio]] [[Talk:Paulo Pancatuccio| ]] •
[[Paulo S. L. M. Barreto]] [[Talk:Paulo S. L. M. Barreto| ]] •
[[Paul van Oorschot]] [[Talk:Paul van Oorschot| ]] •
[[PBKDF2]] [[Talk:PBKDF2| ]] •
[[PC Bruno]] [[Talk:PC Bruno| ]] •
[[Pepper (cryptography)]] [[Talk:Pepper (cryptography)| ]] •
[[Perfect forward secrecy]] [[Talk:Perfect forward secrecy| ]] •
[[Perforated sheets]] [[Talk:Perforated sheets| ]] •
[[Permutation cipher]] [[Talk:Permutation cipher| ]] •
[[Peter Gutmann (computer scientist)]] [[Talk:Peter Gutmann (computer scientist)| ]] •
[[Peter Junger]] [[Talk:Peter Junger| ]] •
[[Peter Twinn]] [[Talk:Peter Twinn| ]] •
[[PGP Corporation]] [[Talk:PGP Corporation| ]] •
[[PGPDisk]] [[Talk:PGPDisk| ]] •
[[PGPfone]] [[Talk:PGPfone| ]] •
[[Phelix]] [[Talk:Phelix| ]] •
[[Phil Zimmermann]] [[Talk:Phil Zimmermann| ]] •
[[Photuris (protocol)]] [[Talk:Photuris (protocol)| ]] •
[[Physical security]] [[Talk:Physical security| ]] •
[[Physical unclonable function]] [[Talk:Physical unclonable function| ]] •
[[Pig Latin]] [[Talk:Pig Latin| ]] •
[[Pigpen cipher]] [[Talk:Pigpen cipher| ]] •
[[Pike (cipher)]] [[Talk:Pike (cipher)| ]] •
[[Piling-up lemma]] [[Talk:Piling-up lemma| ]] •
[[Pinwheel (cryptography)]] [[Talk:Pinwheel (cryptography)| ]] •
[[Piotr Smoleński]] [[Talk:Piotr Smoleński| ]] •
[[Pirate decryption]] [[Talk:Pirate decryption| ]] •
[[PKC (conference)]] [[Talk:PKC (conference)| ]] •
[[PKCS]] [[Talk:PKCS| ]] •
[[PKCS 11]] [[Talk:PKCS 11| ]] •
[[PKCS 12]] [[Talk:PKCS 12| ]] •
[[PKIX]] [[Talk:PKIX| ]] •
[[Plaintext]] [[Talk:Plaintext| ]] •
[[Plaintext-aware encryption]] [[Talk:Plaintext-aware encryption| ]] •
[[Playfair cipher]] [[Talk:Playfair cipher| ]] •
[[Plugboard]] [[Talk:Plugboard| ]] •
[[PMAC (cryptography)]] [[Talk:PMAC (cryptography)| ]] •
[[Poem code]] [[Talk:Poem code| ]] •
[[Pohlig–Hellman algorithm]] [[Talk:Pohlig–Hellman algorithm| ]] •
[[Point-to-Point Tunneling Protocol]] [[Talk:Point-to-Point Tunneling Protocol| ]] •
[[Pointcheval–Stern signature algorithm]] [[Talk:Pointcheval–Stern signature algorithm| ]] •
[[Poly1305]] [[Talk:Poly1305| ]] •
[[Polyalphabetic cipher]] [[Talk:Polyalphabetic cipher| ]] •
[[Polybius square]] [[Talk:Polybius square| ]] •
Portex [[Talk:Portex| ]] •
[[Post-quantum cryptography]] [[Talk:Post-quantum cryptography| ]] •
[[Post-Quantum Cryptography Standardization]] [[Talk:Post-Quantum Cryptography Standardization| ]] •
[[Power analysis]] [[Talk:Power analysis| ]] •
[[Preimage attack]] [[Talk:Preimage attack| ]] •
[[Pre-shared key]] [[Talk:Pre-shared key| ]] •
[[Pretty Good Privacy]] [[Talk:Pretty Good Privacy| ]] •
[[Printer steganography]] [[Talk:Printer steganography| ]] •
[[Privacy-enhanced Electronic Mail]] [[Talk:Privacy-enhanced Electronic Mail| ]] •
[[Private Communications Technology]] [[Talk:Private Communications Technology| ]] •
[[Private information retrieval]] [[Talk:Private information retrieval| ]] •
[[Probabilistic encryption]] [[Talk:Probabilistic encryption| ]] •
[[Product cipher]] [[Talk:Product cipher| ]] •
[[Proof-of-work system]] [[Talk:Proof-of-work system| ]] •
[[Protected Extensible Authentication Protocol]] [[Talk:Protected Extensible Authentication Protocol| ]] •
[[Provable security]] [[Talk:Provable security| ]] •
[[Provably secure cryptographic hash function]] [[Talk:Provably secure cryptographic hash function| ]] •
[[Proxy re-encryption]] [[Talk:Proxy re-encryption| ]] •
[[Pseudo-Hadamard transform]] [[Talk:Pseudo-Hadamard transform| ]] •
[[Pseudonymity]] [[Talk:Pseudonymity| ]] •
[[Pseudorandom function]] [[Talk:Pseudorandom function| ]] •
[[Pseudorandom number generator]] [[Talk:Pseudorandom number generator| ]] •
[[Pseudorandom permutation]] [[Talk:Pseudorandom permutation| ]] •
[[Public key certificate]] [[Talk:Public key certificate| ]] •
[[Public-key cryptography]] [[Talk:Public-key cryptography| ]] •
[[Public key fingerprint]] [[Talk:Public key fingerprint| ]] •
[[Public key infrastructure]] [[Talk:Public key infrastructure| ]] •
[[PURPLE]] [[Talk:PURPLE| ]] •
[[PuTTY]] [[Talk:PuTTY| ]] •
[[Py (cipher)]] [[Talk:Py (cipher)| ]]

==Q==
[[Q (cipher)]] [[Talk:Q (cipher)| ]] •
[[Qrpff]] [[Talk:Qrpff| ]] •
[[QUAD (cipher)]] [[Talk:QUAD (cipher)| ]] •
[[Quadratic sieve]] [[Talk:Quadratic sieve| ]] •
[[Quantum coin flipping]] [[Talk:Quantum coin flipping| ]] •
[[Quantum cryptography]] [[Talk:Quantum cryptography| ]] •
[[Quantum digital signature]] [[Talk:Quantum digital signature| ]] •
[[Quantum fingerprinting]] [[Talk:Quantum fingerprinting| ]] •
[[Quantum key distribution]] [[Talk:Quantum key distribution| ]]

==R==
[[Rabbit (cipher)]] [[Talk:Rabbit (cipher)| ]] •
[[Rabin cryptosystem]] [[Talk:Rabin cryptosystem| ]] •
[[Rabin–Williams encryption]] [[Talk:Rabin–Williams encryption| ]] •
[[RadioGatún]] [[Talk:RadioGatún| ]] •
[[Rail fence cipher]] [[Talk:Rail fence cipher| ]] •
[[Rainbow table]] [[Talk:Rainbow table| ]] •
[[Ralph Merkle]] [[Talk:Ralph Merkle| ]] •
[[Rambutan (cryptography)]] [[Talk:Rambutan (cryptography)| ]] •
[[Random function]] [[Talk:Random function| ]] •
[[Randomness tests]] [[Talk:Randomness tests| ]] •
[[Random number generator attack]] [[Talk:Random number generator attack| ]] •
[[Random oracle]] [[Talk:Random oracle| ]] •
[[RC2]] [[Talk:RC2| ]] •
[[RC4]] [[Talk:RC4| ]] •
[[RC5]] [[Talk:RC5| ]] •
[[RC6]] [[Talk:RC6| ]] •
[[Rebound attack]] [[Talk:Rebound attack| ]] •
[[Reciprocal cipher]] [[Talk:Reciprocal cipher| ]] •
[[Red/black concept]] [[Talk:Red/black concept| ]] •
[[REDOC]] [[Talk:REDOC| ]] •
[[Red Pike (cipher)]] [[Talk:Red Pike (cipher)| ]] •
[[Reflector (cipher machine)]] [[Talk:Reflector (cipher machine)| ]] •
[[Regulation of Investigatory Powers Act 2000]] [[Talk:Regulation of Investigatory Powers Act 2000| ]] •
[[Reihenschieber]] [[Talk:Reihenschieber| ]] •
[[Rekeying (cryptography)]] [[Talk:Rekeying| ]] •
[[Related-key attack]] [[Talk:Related-key attack| ]] •
[[Replay attack]] [[Talk:Replay attack| ]] •
[[Reservehandverfahren]] [[Talk:Reservehandverfahren| ]] •
[[Residual block termination]] [[Talk:Residual block termination| ]] •
[[Rijndael key schedule]] [[Talk:Rijndael key schedule| ]] •
[[Rijndael S-box]] [[Talk:Rijndael S-box| ]] •
[[Ring signature]] [[Talk:Ring signature| ]] •
[[RIPEMD]] [[Talk:RIPEMD| ]] •
[[Rip van Winkle cipher]] [[Talk:Rip van Winkle cipher| ]] •
[[Robert Morris (cryptographer)]] [[Talk:Robert Morris (cryptographer)| ]] •
Robot certificate authority [[Talk:Robot certificate authority| ]] •
[[Rockex]] [[Talk:Rockex| ]] •
[[Rolf Noskwith]] [[Talk:Rolf Noskwith| ]] •
[[Ron Rivest]] [[Talk:Ron Rivest| ]] •
[[Room 40]] [[Talk:Room 40| ]] •
[[Root certificate]] [[Talk:Root certificate| ]] •
[[Ross J. Anderson]] [[Talk:Ross Anderson| ]] •
[[Rossignols]] [[Talk:Rossignols| ]] •
[[ROT13]] [[Talk:ROT13| ]] •
[[Rotor machine]] [[Talk:Rotor machine| ]] •
[[RSA (cryptosystem)|RSA]] [[Talk:RSA (cryptosystem)|RSA]] •
[[RSA-100]] [[Talk:RSA-100| ]] •
[[RSA-1024]] [[Talk:RSA-1024| ]] •
[[RSA-110]] [[Talk:RSA-110| ]] •
[[RSA-120]] [[Talk:RSA-120| ]] •
[[RSA-129]] [[Talk:RSA-129| ]] •
[[RSA-130]] [[Talk:RSA-130| ]] •
[[RSA-140]] [[Talk:RSA-140| ]] •
[[RSA-150]] [[Talk:RSA-150| ]] •
[[RSA-1536]] [[Talk:RSA-1536| ]] •
[[RSA-155]] [[Talk:RSA-155| ]] •
[[RSA-160]] [[Talk:RSA-160| ]] •
[[RSA-170]] [[Talk:RSA-170| ]] •
[[RSA-180]] [[Talk:RSA-180| ]] •
[[RSA-190]] [[Talk:RSA-190| ]] •
[[RSA-200]] [[Talk:RSA-200| ]] •
[[RSA-2048]] [[Talk:RSA-2048| ]] •
[[RSA-210]] [[Talk:RSA-210| ]] •
[[RSA-220]] [[Talk:RSA-220| ]] •
[[RSA-230]] [[Talk:RSA-230| ]] •
[[RSA-232]] [[Talk:RSA-232| ]] •
[[RSA-240]] [[Talk:RSA-240| ]] •
[[RSA-250]] [[Talk:RSA-250| ]] •
[[RSA-260]] [[Talk:RSA-260| ]] •
[[RSA-270]] [[Talk:RSA-270| ]] •
[[RSA-280]] [[Talk:RSA-280| ]] •
[[RSA-290]] [[Talk:RSA-290| ]] •
[[RSA-300]] [[Talk:RSA-300| ]] •
[[RSA-309]] [[Talk:RSA-309| ]] •
[[RSA-310]] [[Talk:RSA-310| ]] •
[[RSA-320]] [[Talk:RSA-320| ]] •
[[RSA-330]] [[Talk:RSA-330| ]] •
[[RSA-340]] [[Talk:RSA-340| ]] •
[[RSA-350]] [[Talk:RSA-350| ]] •
[[RSA-360]] [[Talk:RSA-360| ]] •
[[RSA-370]] [[Talk:RSA-370| ]] •
[[RSA-380]] [[Talk:RSA-380| ]] •
[[RSA-390]] [[Talk:RSA-390| ]] •
[[RSA-400]] [[Talk:RSA-400| ]] •
[[RSA-410]] [[Talk:RSA-410| ]] •
[[RSA-420]] [[Talk:RSA-420| ]] •
[[RSA-430]] [[Talk:RSA-430| ]] •
[[RSA-440]] [[Talk:RSA-440| ]] •
[[RSA-450]] [[Talk:RSA-450| ]] •
[[RSA-460]] [[Talk:RSA-460| ]] •
[[RSA-470]] [[Talk:RSA-470| ]] •
[[RSA-480]] [[Talk:RSA-480| ]] •
[[RSA-490]] [[Talk:RSA-490| ]] •
[[RSA-500]] [[Talk:RSA-500| ]] •
[[RSA-576]] [[Talk:RSA-576| ]] •
[[RSA-617]] [[Talk:RSA-617| ]] •
[[RSA-640]] [[Talk:RSA-640| ]] •
[[RSA-704]] [[Talk:RSA-704| ]] •
[[RSA-768]] [[Talk:RSA-768| ]] •
[[RSA-896]] [[Talk:RSA-896| ]] •
[[RSA-PSS]] [[Talk:RSA-PSS| ]] •
[[RSA Factoring Challenge]] [[Talk:RSA Factoring Challenge| ]] •
[[RSA problem]] [[Talk:RSA problem| ]] •
[[RSA Secret-Key Challenge]] [[Talk:RSA Secret-Key Challenge| ]] •
[[RSA Security]] [[Talk:RSA Security| ]] •
[[Rubber-hose cryptanalysis]] [[Talk:Rubber-hose cryptanalysis| ]] •
[[Running key cipher]] [[Talk:Running key cipher| ]] •
[[Russian copulation]] [[Talk:Russian copulation| ]]

==S==
[[S-1 block cipher]] [[Talk:S-1| ]] •
[[Secure and Fast Encryption Routine|SAFER]] [[Talk:SAFER| ]] •
[[Salsa20]] [[Talk:Salsa20| ]] •
[[Salt (cryptography)]] [[Talk:Salt (cryptography)| ]] •
[[SAM card]] [[Talk:SAM card| ]] •
[[Security Support Provider Interface]] [[Talk:Security Support Provider Interface| ]] •
[[Security Assertion Markup Language|SAML]] [[Talk:SAML| ]] •
[[SAVILLE]] [[Talk:SAVILLE| ]] •
[[SC2000]] [[Talk:SC2000| ]] •
[[Schnorr group]] [[Talk:Schnorr group| ]] •
[[Schnorr signature]] [[Talk:Schnorr signature| ]] •
[[Schoof–Elkies–Atkin algorithm]] [[Talk:Schoof–Elkies–Atkin algorithm| ]] •
[[Secure Communications Interoperability Protocol|SCIP]] [[Talk:SCIP| ]] •
[[Scott Vanstone]] [[Talk:Scott Vanstone| ]] •
[[Scrambler]] [[Talk:Scrambler| ]] •
[[Scramdisk]] [[Talk:Scramdisk| ]] •
[[Scream (cipher)]] [[Talk:Scream (cipher)| ]] •
[[Scrypt]] [[Talk:Scrypt| ]] •
[[Scytale]] [[Talk:Scytale| ]] •
[[Seahorse (software)]] [[Talk:Seahorse (software)| ]] •
[[SEAL (cipher)]] [[Talk:SEAL (cipher)| ]] •
[[Sean Murphy (cryptographer)]] [[Talk:Sean Murphy (cryptographer)| ]] •
[[SECG]] [[Talk:SECG| ]] •
[[Secret broadcast]] [[Talk:Secret broadcast| ]] •
[[Secret decoder ring]] [[Talk:Secret decoder ring| ]] •
[[Secrets and Lies (Schneier)]] [[Talk:Secrets and Lies (Schneier)| ]] •
[[Secret sharing]] [[Talk:Secret sharing| ]] •
[[Sectéra Secure Module]] [[Talk:Sectéra Secure Module| ]] •
[[Secure access module]] [[Talk:Secure access module| ]] •
[[Secure channel]] [[Talk:Secure channel| ]] •
[[Secure Communication based on Quantum Cryptography]] [[Talk:Secure Communication based on Quantum Cryptography| ]] •
[[Secure copy]] [[Talk:Secure copy| ]] •
[[Secure cryptoprocessor]] [[Talk:Secure cryptoprocessor| ]] •
[[Secure Electronic Transaction]] [[Talk:Secure Electronic Transaction| ]] •
[[Secure Hash Algorithms]] [[Talk:Secure Hash Algorithms| ]] •
[[Secure Hypertext Transfer Protocol]] [[Talk:Secure Hypertext Transfer Protocol| ]] •
[[Secure key issuing cryptography]] [[Talk:Secure key issuing cryptography| ]] •
[[Secure multi-party computation]] [[Talk:Secure multi-party computation| ]] •
[[Secure Neighbor Discovery]] [[Talk:Secure Neighbor Discovery| ]] •
[[Secure Real-time Transport Protocol]] [[Talk:Secure Real-time Transport Protocol| ]] •
[[Secure remote password protocol]] [[Talk:Secure remote password protocol| ]] •
[[Secure Shell]] [[Talk:Secure Shell| ]] •
[[Secure telephone]] [[Talk:Secure telephone| ]] •
[[Secure Terminal Equipment]] [[Talk:Secure Terminal Equipment| ]] •
[[Secure voice]] [[Talk:Secure voice| ]] •
[[SecurID]] [[Talk:SecurID| ]] •
[[Security association]] [[Talk:Security association| ]] •
[[Security engineering]] [[Talk:Security engineering| ]] •
[[Security level]] [[Talk:Security level| ]] •
[[Security parameter]] [[Talk:Security parameter| ]] •
[[Security protocol notation]] [[Talk:Security protocol notation| ]] •
[[Security through obscurity]] [[Talk:Security through obscurity| ]] •
[[Security token]] [[Talk:Security token| ]] •
[[SEED]] [[Talk:SEED| ]] •
[[Selected Areas in Cryptography]] [[Talk:Selected Areas in Cryptography| ]] •
[[Self-certifying File System]] [[Talk:Self-certifying File System| ]] •
[[Self-shrinking generator]] [[Talk:Self-shrinking generator| ]] •
[[Self-signed certificate]] [[Talk:Self-signed certificate| ]] •
[[Semantic security]] [[Talk:Semantic security| ]] •
[[Serge Vaudenay]] [[Talk:Serge Vaudenay| ]] •
[[Serpent (cipher)]] [[Talk:Serpent (cipher)| ]] •
[[Session key]] [[Talk:Session key| ]] •
[[SHACAL]] [[Talk:SHACAL| ]] •
[[Shafi Goldwasser]] [[Talk:Shafi Goldwasser| ]] •
[[SHA-1]] [[Talk:SHA-1| ]] •
[[SHA-2]] [[Talk:SHA-2| ]] •
[[SHA-3]] [[Talk:SHA-3| ]] •
[[Shared secret]] [[Talk:Shared secret| ]] •
[[SHARK]] [[Talk:SHARK| ]] •
[[Shaun Wylie]] [[Talk:Shaun Wylie| ]] •
[[Shor's algorithm]] [[Talk:Shor's algorithm| ]] •
[[Shrinking generator]] [[Talk:Shrinking generator| ]] •
[[Shugborough inscription]] [[Talk:Shugborough inscription| ]] •
[[Side-channel attack]] [[Talk:Side-channel attack| ]] •
[[Siemens and Halske T52]] [[Talk:Siemens and Halske T52| ]] •
[[SIGABA]] [[Talk:SIGABA| ]] •
[[SIGCUM]] [[Talk:SIGCUM| ]] •
[[SIGINT]] [[Talk:SIGINT| ]] •
[[Signal Protocol]] [[Talk:Signal Protocol| ]] •
[[Signal Intelligence Service]] [[Talk:Signal Intelligence Service| ]] •
[[Signcryption]] [[Talk:Signcryption| ]] •
[[SIGSALY]] [[Talk:SIGSALY| ]] •
[[SILC (protocol)]] [[Talk:SILC (protocol)| ]] •
[[Silvio Micali]] [[Talk:Silvio Micali| ]] •
[[Simple Authentication and Security Layer]] [[Talk:Simple Authentication and Security Layer| ]] •
[[Simple public-key infrastructure]] [[Talk:Simple public-key infrastructure| ]] •
[[Simple XOR cipher]] [[Talk:Simple XOR cipher| ]] •
[[S/KEY]] [[Talk:S/KEY| ]] •
[[Skein (hash function)]] [[Talk:Skein (hash function)| ]] •
[[Skipjack (cipher)]] [[Talk:Skipjack (cipher)| ]] •
[[Slide attack]] [[Talk:Slide attack| ]] •
[[Slidex]] [[Talk:Slidex| ]] •
[[Small subgroup confinement attack]] [[Talk:Small subgroup confinement attack| ]] •
[[S/MIME]] [[Talk:S/MIME| ]] •
[[SM4 algorithm]] [[Talk:SM4 algorithm| ]] (formerly SMS4) •
[[Snake oil (cryptography)]] [[Talk:Snake oil (cryptography)| ]] •
[[Snefru]] [[Talk:Snefru| ]] •
[[SNOW]] [[Talk:SNOW| ]] •
[[Snuffle]] [[Talk:Snuffle| ]] •
[[SOBER-128]] [[Talk:SOBER-128| ]] •
[[Solitaire (cipher)]] [[Talk:Solitaire (cipher)| ]] •
[[Solomon Kullback]] [[Talk:Solomon Kullback| ]] •
[[SOSEMANUK]] [[Talk:SOSEMANUK| ]] •
[[Special Collection Service]] [[Talk:Special Collection Service| ]] •
[[Spectr-H64]] [[Talk:Spectr-H64| ]] •
[[SPEKE (cryptography)]] [[Talk:SPEKE (cryptography)| ]] •
[[Sponge function]] [[Talk:Sponge function| ]] •
[[SPNEGO]] [[Talk:SPNEGO| ]] •
[[Square (cipher)]] [[Talk:Square (cipher)| ]] •
[[Ssh-agent]] [[Talk:Ssh-agent| ]] • [[Ssh-keygen]] [[Talk: Ssh-keygen| ]] • [[SSH File Transfer Protocol]] [[Talk:SSH File Transfer Protocol| ]] •
[[SSLeay]] [[Talk:SSLeay| ]] •
[[Stafford Tavares]] [[Talk:Stafford Tavares| ]] •
[[Standard model (cryptography)]] [[Talk:Standard model (cryptography)| ]] •
[[Station CAST]] [[Talk:Station CAST| ]] •
[[Station HYPO]] [[Talk:Station HYPO| ]] •
[[Station-to-Station protocol]] [[Talk:Station-to-Station protocol| ]] •
[[Statistical cryptanalysis]] [[Talk:Statistical cryptanalysis| ]] •
[[Stefan Lucks]] [[Talk:Stefan Lucks| ]] •
[[Steganalysis]] [[Talk:Steganalysis| ]] •
[[Steganography]] [[Talk:Steganography| ]] •
[[Straddling checkerboard]] [[Talk:Straddling checkerboard| ]] •
[[Stream cipher]] [[Talk:Stream cipher| ]] •
[[Stream cipher attacks]] [[Talk:Stream cipher attacks| ]] •
[[Strong cryptography]] [[Talk:Strong cryptography| ]] •
[[Strong RSA assumption]] [[Talk:Strong RSA assumption| ]] •
[[Stuart Milner-Barry]] [[Talk:Stuart Milner-Barry| ]] •
[[STU-II]] [[Talk:STU-II| ]] •
[[STU-III]] [[Talk:STU-III| ]] •
[[Stunnel]] [[Talk:Stunnel| ]] •
[[Substitution box]] [[Talk:Substitution box| ]] •
[[Substitution cipher]] [[Talk:Substitution cipher| ]] •
[[Substitution–permutation network]] [[Talk:Substitution–permutation network| ]] •
[[Superencryption]] [[Talk:Superencryption| ]] •
[[Supersingular isogeny key exchange]] [[Talk:Supersingular isogeny key exchange| ]] •
[[Swedish National Defence Radio Establishment]] [[Talk:Swedish National Defence Radio Establishment| ]] •
[[SWIFFT]] [[Talk:SWIFFT| ]] •
[[SXAL/MBAL]] [[Talk:SXAL/MBAL| ]] •
[[Symmetric-key algorithm]] [[Talk:Symmetric-key algorithm| ]] •
[[SYSKEY]] [[Talk:SYSKEY| ]]

==T==
[[Tabula recta]] [[Talk:Tabula recta| ]] •
[[Taher Elgamal]] [[Talk:Taher Elgamal| ]] •
[[Tamper resistance]] [[Talk:Tamper resistance| ]] •
[[Tcpcrypt]] [[Talk:Tcpcrypt| ]] •
[[Television encryption]] [[Talk:Television encryption| ]] •
[[Tempest (codename)|TEMPEST]] [[Talk:TEMPEST| ]] •
[[Template:Cryptographic software]] [[Talk:Cryptographic software| ]] •
[[Temporal Key Integrity Protocol]] [[Talk:Temporal Key Integrity Protocol| ]] •
[[Testery]] [[Talk:Testery| ]] •
[[Thawte]] [[Talk:Thawte| ]] •
[[The Alphabet Cipher]] [[Talk:The Alphabet Cipher| ]] •
[[The Code Book]] [[Talk:The Code Book| ]] •
[[The Codebreakers]] [[Talk:The Codebreakers| ]] •
[[The Gold-Bug]] [[Talk:The Gold-Bug| ]] •
[[The Magic Words are Squeamish Ossifrage]] [[Talk:The Magic Words are Squeamish Ossifrage| ]] •
[[Theory of Cryptography Conference]] [[Talk:Theory of Cryptography Conference| ]] •
[[The world wonders]] [[Talk:The world wonders| ]] •
[[Thomas Jakobsen]] [[Talk:Thomas Jakobsen| ]] •
[[Three-pass protocol]] [[Talk:Three-pass protocol| ]] •
[[Threshold shadow scheme]] [[Talk:Threshold shadow scheme| ]] •
[[TICOM]] [[Talk:TICOM| ]] •
[[Tiger (cryptography)]] [[Talk:Tiger (cryptography)| ]] •
[[Timeline of cryptography]] [[Talk:Timeline of cryptography| ]] •
[[Time/memory/data tradeoff attack]] [[Talk:Time/memory/data tradeoff attack| ]] •
[[Time-based One-time Password algorithm]] [[Talk:Time-based One-time Password algorithm| ]] (TOTP) •
[[Timing attack]] [[Talk:Timing attack| ]] •
[[Tiny Encryption Algorithm]] [[Talk:Tiny Encryption Algorithm| ]] •
[[Tom Berson]] [[Talk:Tom Berson| ]] •
[[Tommy Flowers]] [[Talk:Tommy Flowers| ]] •
[[Topics in cryptography]] [[Talk:Topics in cryptography| ]] •
[[Tor (anonymity network)]] [[Talk:Tor (anonymity network)| ]] •
[[Torus-based cryptography]] [[Talk:Torus-based cryptography| ]] •
[[Traffic analysis]] [[Talk:Traffic analysis| ]] •
[[Traffic-flow security]] [[Talk:Traffic-flow security| ]] •
[[Traitor tracing]] [[Talk:Traitor tracing| ]] •
[[Transmission security]] [[Talk:Transmission security| ]] •
[[Transport Layer Security]] [[Talk:Transport Layer Security| ]] •
[[Transposition cipher]] [[Talk:Transposition cipher| ]] •
[[Trapdoor function]] [[Talk:Trapdoor function| ]] •
[[Trench code]] [[Talk:Trench code| ]] •
[[Treyfer]] [[Talk:Treyfer| ]] •
[[Trifid cipher]] [[Talk:Trifid cipher| ]] •
[[Triple DES]] [[Talk:Triple DES| ]] •
[[Trivium (cipher)]] [[Talk:Trivium (cipher)| ]] •
[[TrueCrypt]] [[Talk:TrueCrypt| ]] •
[[Truncated differential cryptanalysis]] [[Talk:Truncated differential cryptanalysis| ]] •
[[Trusted third party]] [[Talk:Trusted third party| ]] •
[[Turing (cipher)]] [[Talk:Turing (cipher)| ]] •
[[TWINKLE]] [[Talk:TWINKLE| ]] •
[[TWIRL]] [[Talk:TWIRL| ]] •
[[Twofish]] [[Talk:Twofish| ]] •
[[Two-square cipher]] [[Talk:Two-square cipher| ]] •
[[Type 1 encryption]] [[Talk:Type 1 encryption| ]] •
[[Type 2 encryption]] [[Talk:Type 2 encryption| ]] •
[[Type 3 encryption]] [[Talk:Type 3 encryption| ]] •
[[Type 4 encryption]] [[Talk:Type 4 encryption| ]] •
[[Typex]] [[Talk:Typex| ]]

==U==
[[UES (cipher)]] [[Talk:UES (cipher)| ]] •
[[Ultra (cryptography)]] [[Talk:Ultra (cryptography)| ]] •
[[UMAC (cryptography)|UMAC]] [[Talk:UMAC| ]] •
[[Unbalanced Oil and Vinegar]] [[Talk:Unbalanced Oil and Vinegar| ]] •
[[Undeniable signature]] [[Talk:Undeniable signature| ]] •
[[Unicity distance]] [[Talk:Unicity distance| ]] •
[[Universal composability]] [[Talk:Universal composability| ]] •
[[Universal one-way hash function]] [[Talk:Universal one-way hash function| ]] (UOWHF)

==V==
[[Venona project]] [[Talk:Venona project| ]] •
[[Verifiable secret sharing]] [[Talk:Verifiable secret sharing| ]] •
[[Verisign]] [[Talk:Verisign| ]] •
[[Very smooth hash]] [[Talk:Very smooth hash| ]] •
[[VEST]] [[Talk:VEST| ]] •
[[VIC cipher]] [[Talk:VIC cipher| ]] •
[[VideoCrypt]] [[Talk:VideoCrypt| ]] •
[[Vigenère cipher]] [[Talk:Vigenère cipher| ]] •
[[Vincent Rijmen]] [[Talk:Vincent Rijmen| ]] •
[[VINSON]] [[Talk:VINSON| ]] •
[[Virtual private network]] [[Talk:Virtual private network| ]] •
[[Visual cryptography]] [[Talk:Visual cryptography| ]] •
[[Voynich manuscript]] [[Talk:Voynich manuscript| ]]

==W==
[[Wadsworth's cipher]] [[Talk:Wadsworth's cipher| ]] •
[[WAKE (cipher)|WAKE]] [[Talk:WAKE| ]] •
[[WLAN Authentication and Privacy Infrastructure]] [[Talk:WAPI| ]] •
[[Watermark (data file)]] [[Talk:Watermark (data file)| ]] •
[[Watermarking attack]] [[Talk:Watermarking attack| ]] •
[[Weak key]] [[Talk:Weak key| ]] •
[[Web of trust]] [[Talk:Web of trust| ]] •
[[Whirlpool (hash function)]] [[Talk:Whirlpool (hash function)| ]] •
[[Whitfield Diffie]] [[Talk:Whitfield Diffie| ]] •
[[Wide Mouth Frog protocol]] [[Talk:Wide Mouth Frog protocol| ]] •
[[Wi-Fi Protected Access]] [[Talk:Wi-Fi Protected Access| ]] •
[[William F. Friedman]] [[Talk:William F. Friedman| ]] •
[[William Montgomery (cryptographer)]] [[Talk:William Montgomery (cryptographer)| ]] •
[[WinSCP]] [[Talk:WinSCP| ]] •
[[Wired Equivalent Privacy]] [[Talk:Wired Equivalent Privacy| ]] •
[[Wireless Transport Layer Security]] [[Talk:Wireless Transport Layer Security| ]] •
[[Witness-indistinguishable proof]] [[Talk:Witness-indistinguishable proof| ]] •
[[Workshop on Cryptographic Hardware and Embedded Systems]] [[Talk:Workshop on Cryptographic Hardware and Embedded Systems| ]] •
[[World War I cryptography]] [[Talk:World War I cryptography| ]] •
[[World War II cryptography]] [[Talk:World War II cryptography| ]] •
[[W. T. Tutte]] [[Talk:W. T. Tutte| ]]

==X==
[[X.509]] [[Talk:X.509| ]] •
[[XDH assumption]] [[Talk:XDH assumption| ]] •
[[Xiaoyun Wang]] [[Talk:Xiaoyun Wang| ]] •
[[XML Encryption]] [[Talk:XML Encryption| ]] •
[[XML Signature]] [[Talk:XML Signature| ]] •
[[xmx]] [[Talk:xmx| ]] •
[[XSL attack]] [[Talk:XSL attack| ]] •
[[XTEA]] [[Talk:XTEA| ]] •
[[XTR]] [[Talk:XTR| ]] •
[[Xuejia Lai]] [[Talk:Xuejia Lai| ]] •
[[XXTEA]] [[Talk:XXTEA| ]]
10-00-00-00-00

==Y==
[[Yarrow algorithm]] [[Talk:Yarrow algorithm| ]] •
[[Y-stations]] [[Talk:Y-stations| ]] •
[[Yuliang Zheng]] [[Talk:Yuliang Zheng| ]]

==Z==
[[Zeroisation]] [[Talk:Zeroisation| ]] •
[[Zero-knowledge password proof]] [[Talk:Zero-knowledge password proof| ]] •
[[Zero-knowledge proof]] [[Talk:Zero-knowledge proof| ]] •
[[Zfone]] [[Talk:Zfone| ]] •
[[Zodiac (cipher)]] [[Talk:Zodiac (cipher)| ]] •
[[ZRTP]] [[Talk:ZRTP| ]] •
[[Zimmermann–Sassaman key-signing protocol]] [[Talk:Zimmermann–Sassaman key-signing protocol| ]] •
[[Zimmermann Telegram]] [[Talk:Zimmermann Telegram| ]]

==See also==

* [[Outline of cryptography]] – an analytical list of articles and terms.
* [[Books on cryptography]] – an annotated list of suggested readings.
* [[List of cryptographers]] – an annotated list of cryptographers.
* [[Wikipedia:WikiProject Cryptography|WikiProject Cryptography]] – discussion and resources for editing cryptography articles.

[[Category:Cryptography lists and comparisons]]
[[Category:Wikipedia indexes|Cryptography]]<!--Change to Indexes of computing topics, when it exists.-->
[[Category:Mathematics-related lists|Cryptography]]