View source for Index of cryptography articles

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

==Z==
[[Social:Zeroisation|Zeroisation]]  •
[[Zero-knowledge password proof]]  •
[[Zero-knowledge proof]]  •
[[Software:Zfone|Zfone]]  •
Zodiac (cipher)  •
[[ZRTP]]  •
[[Zimmermann–Sassaman key-signing protocol]]  •
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.
* [[List of important publications in computer science#Cryptography|Important publications in cryptography]] – some cryptography papers in computer science.
* WikiProject Cryptography – discussion and resources for editing cryptography articles.

[[Category:Mathematics-related lists|Cryptography]]

{{Sourceattribution|Index of cryptography articles}}