Citation Statistics
A total of 1160 RFCs and 1100 I-Ds cited the cryptography specifications listed in these pages. The details are broken out below.
966 references to Secure Hash Algorithm (SHA) Version 1
914 references to Message Digest 5 (MD5)
781 references to (Keyed) Hash Message Authentication Code (HMAC)
446 references to Secure Hash Algorithm (SHA) Version 2
420 references to Diffie-Hellman (DH)
327 references to Advanced Encryption Standard (AES) Block Cipher
305 references to Random Sources and Uses of Randomness
237 references to Elliptic Curve Cryptography
212 references to Triple Data Encryption Standard (3DES) Block Cipher
152 references to Digital Signature Algorithm (DSA)
143 references to Rivest-Shamir-Adleman (RSA) Encryption and Signatures
117 references to PKCS#1: RSA Cryptography
116 references to Generic Security Service API
94 references to Data Encryption Standard (DES) Block Cipher
89 references to RC4 Stream Cipher
79 references to Message Digest 4 (MD4)
71 references to Message Digest 2 (MD2)
71 references to Chained Message Authentication Code (CMAC)
60 references to Galois Message Authentication Code (GMAC)
57 references to Password Based Key Derivation Function (PBKDF)
48 references to RC2 Block Cipher
44 references to Key Sizes and Strength Against Cryptanalysis
44 references to HMAC-based Extract-and-Expand Key Derivation Function (HKDF)
43 references to PKCS#7: Cryptographic Message Syntax
39 references to Camellia Block Cipher
38 references to Key Wrap Algorithm
37 references to PKCS#5: Password-based Encryption
37 references to BLOWFISH Block Cipher
35 references to RC5 Block Cipher
35 references to Authenticated Encryption with Associated Data (AEAD)
35 references to Authenticated Encryption with Associated Data (AEAD)
34 references to Menezes-Qu-Vanstone (MQV)
29 references to PKCS#10: Certification Request
27 references to Extended CBC Message Authentication Code (XCBC-MAC)
23 references to El Gamal Encryption
22 references to CAST-128 Block Cipher
21 references to Secure Remote Password (SRP)
19 references to SKIPJACK Block Cipher
16 references to GOST 28147-89 Block Cipher
16 references to GOST R 34.11-94
15 references to PKCS#9: Selected Attribute Types
15 references to PF_KEY Key Management API, Version 2
15 references to Encrypted Key Exchange (EKE)
14 references to Extended CBC Pseudorandom Function (XCBC-PRF)
14 references to Identity-Based Encryption
14 references to CAST-256 Block Cipher
13 references to SEED Block Cipher
11 references to TWOFISH Block Cipher
11 references to International Data Encryption Algorithm (IDEA) Block Cipher
9 references to Serpent Block Cipher
8 references to ARIA Block Cipher
7 references to Universal Message Authentication Code (UMAC)
7 references to GSS-API Pseudorandom Function (GSS-API PRF)
6 references to PKCS#8: Private-Key Information Syntax
5 references to CLEFIA Block Cipher
4 references to Synthetic Initialization Vector (SIV)
3 references to KCipher-2 Stream Cipher
2 references to Simple Cryptographic Program Interface (Crypto API)
2 references to Rabbit Stream Cipher
2 references to MISTY1 Block Cipher
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