diff options
Diffstat (limited to 'src/hash/sha2_32/sha2_32.cpp')
| -rw-r--r-- | src/hash/sha2_32/sha2_32.cpp | 227 |
1 files changed, 0 insertions, 227 deletions
diff --git a/src/hash/sha2_32/sha2_32.cpp b/src/hash/sha2_32/sha2_32.cpp deleted file mode 100644 index cffc8bd2a..000000000 --- a/src/hash/sha2_32/sha2_32.cpp +++ /dev/null @@ -1,227 +0,0 @@ -/* -* SHA-{224,256} -* (C) 1999-2010 Jack Lloyd -* 2007 FlexSecure GmbH -* -* Distributed under the terms of the Botan license -*/ - -#include <botan/sha2_32.h> -#include <botan/loadstor.h> -#include <botan/rotate.h> - -namespace Botan { - -namespace { - -namespace SHA2_32 { - -/* -* SHA-256 Rho Function -*/ -inline u32bit rho(u32bit X, u32bit rot1, u32bit rot2, u32bit rot3) - { - return (rotate_right(X, rot1) ^ rotate_right(X, rot2) ^ - rotate_right(X, rot3)); - } - -/* -* SHA-256 Sigma Function -*/ -inline u32bit sigma(u32bit X, u32bit rot1, u32bit rot2, u32bit shift) - { - return (rotate_right(X, rot1) ^ rotate_right(X, rot2) ^ (X >> shift)); - } - -/* -* SHA-256 F1 Function -* -* Use a macro as many compilers won't inline a function this big, -* even though it is much faster if inlined. -*/ -#define SHA2_32_F(A, B, C, D, E, F, G, H, M1, M2, M3, M4, magic) \ - do { \ - H += magic + rho(E, 6, 11, 25) + ((E & F) ^ (~E & G)) + M1; \ - D += H; \ - H += rho(A, 2, 13, 22) + ((A & B) | ((A | B) & C)); \ - M1 += sigma(M2, 17, 19, 10) + M3 + sigma(M4, 7, 18, 3); \ - } while(0); - -/* -* SHA-224 / SHA-256 compression function -*/ -void compress(secure_vector<u32bit>& digest, - const byte input[], size_t blocks) - { - u32bit A = digest[0], B = digest[1], C = digest[2], - D = digest[3], E = digest[4], F = digest[5], - G = digest[6], H = digest[7]; - - for(size_t i = 0; i != blocks; ++i) - { - u32bit W00 = load_be<u32bit>(input, 0); - u32bit W01 = load_be<u32bit>(input, 1); - u32bit W02 = load_be<u32bit>(input, 2); - u32bit W03 = load_be<u32bit>(input, 3); - u32bit W04 = load_be<u32bit>(input, 4); - u32bit W05 = load_be<u32bit>(input, 5); - u32bit W06 = load_be<u32bit>(input, 6); - u32bit W07 = load_be<u32bit>(input, 7); - u32bit W08 = load_be<u32bit>(input, 8); - u32bit W09 = load_be<u32bit>(input, 9); - u32bit W10 = load_be<u32bit>(input, 10); - u32bit W11 = load_be<u32bit>(input, 11); - u32bit W12 = load_be<u32bit>(input, 12); - u32bit W13 = load_be<u32bit>(input, 13); - u32bit W14 = load_be<u32bit>(input, 14); - u32bit W15 = load_be<u32bit>(input, 15); - - SHA2_32_F(A, B, C, D, E, F, G, H, W00, W14, W09, W01, 0x428A2F98); - SHA2_32_F(H, A, B, C, D, E, F, G, W01, W15, W10, W02, 0x71374491); - SHA2_32_F(G, H, A, B, C, D, E, F, W02, W00, W11, W03, 0xB5C0FBCF); - SHA2_32_F(F, G, H, A, B, C, D, E, W03, W01, W12, W04, 0xE9B5DBA5); - SHA2_32_F(E, F, G, H, A, B, C, D, W04, W02, W13, W05, 0x3956C25B); - SHA2_32_F(D, E, F, G, H, A, B, C, W05, W03, W14, W06, 0x59F111F1); - SHA2_32_F(C, D, E, F, G, H, A, B, W06, W04, W15, W07, 0x923F82A4); - SHA2_32_F(B, C, D, E, F, G, H, A, W07, W05, W00, W08, 0xAB1C5ED5); - SHA2_32_F(A, B, C, D, E, F, G, H, W08, W06, W01, W09, 0xD807AA98); - SHA2_32_F(H, A, B, C, D, E, F, G, W09, W07, W02, W10, 0x12835B01); - SHA2_32_F(G, H, A, B, C, D, E, F, W10, W08, W03, W11, 0x243185BE); - SHA2_32_F(F, G, H, A, B, C, D, E, W11, W09, W04, W12, 0x550C7DC3); - SHA2_32_F(E, F, G, H, A, B, C, D, W12, W10, W05, W13, 0x72BE5D74); - SHA2_32_F(D, E, F, G, H, A, B, C, W13, W11, W06, W14, 0x80DEB1FE); - SHA2_32_F(C, D, E, F, G, H, A, B, W14, W12, W07, W15, 0x9BDC06A7); - SHA2_32_F(B, C, D, E, F, G, H, A, W15, W13, W08, W00, 0xC19BF174); - SHA2_32_F(A, B, C, D, E, F, G, H, W00, W14, W09, W01, 0xE49B69C1); - SHA2_32_F(H, A, B, C, D, E, F, G, W01, W15, W10, W02, 0xEFBE4786); - SHA2_32_F(G, H, A, B, C, D, E, F, W02, W00, W11, W03, 0x0FC19DC6); - SHA2_32_F(F, G, H, A, B, C, D, E, W03, W01, W12, W04, 0x240CA1CC); - SHA2_32_F(E, F, G, H, A, B, C, D, W04, W02, W13, W05, 0x2DE92C6F); - SHA2_32_F(D, E, F, G, H, A, B, C, W05, W03, W14, W06, 0x4A7484AA); - SHA2_32_F(C, D, E, F, G, H, A, B, W06, W04, W15, W07, 0x5CB0A9DC); - SHA2_32_F(B, C, D, E, F, G, H, A, W07, W05, W00, W08, 0x76F988DA); - SHA2_32_F(A, B, C, D, E, F, G, H, W08, W06, W01, W09, 0x983E5152); - SHA2_32_F(H, A, B, C, D, E, F, G, W09, W07, W02, W10, 0xA831C66D); - SHA2_32_F(G, H, A, B, C, D, E, F, W10, W08, W03, W11, 0xB00327C8); - SHA2_32_F(F, G, H, A, B, C, D, E, W11, W09, W04, W12, 0xBF597FC7); - SHA2_32_F(E, F, G, H, A, B, C, D, W12, W10, W05, W13, 0xC6E00BF3); - SHA2_32_F(D, E, F, G, H, A, B, C, W13, W11, W06, W14, 0xD5A79147); - SHA2_32_F(C, D, E, F, G, H, A, B, W14, W12, W07, W15, 0x06CA6351); - SHA2_32_F(B, C, D, E, F, G, H, A, W15, W13, W08, W00, 0x14292967); - SHA2_32_F(A, B, C, D, E, F, G, H, W00, W14, W09, W01, 0x27B70A85); - SHA2_32_F(H, A, B, C, D, E, F, G, W01, W15, W10, W02, 0x2E1B2138); - SHA2_32_F(G, H, A, B, C, D, E, F, W02, W00, W11, W03, 0x4D2C6DFC); - SHA2_32_F(F, G, H, A, B, C, D, E, W03, W01, W12, W04, 0x53380D13); - SHA2_32_F(E, F, G, H, A, B, C, D, W04, W02, W13, W05, 0x650A7354); - SHA2_32_F(D, E, F, G, H, A, B, C, W05, W03, W14, W06, 0x766A0ABB); - SHA2_32_F(C, D, E, F, G, H, A, B, W06, W04, W15, W07, 0x81C2C92E); - SHA2_32_F(B, C, D, E, F, G, H, A, W07, W05, W00, W08, 0x92722C85); - SHA2_32_F(A, B, C, D, E, F, G, H, W08, W06, W01, W09, 0xA2BFE8A1); - SHA2_32_F(H, A, B, C, D, E, F, G, W09, W07, W02, W10, 0xA81A664B); - SHA2_32_F(G, H, A, B, C, D, E, F, W10, W08, W03, W11, 0xC24B8B70); - SHA2_32_F(F, G, H, A, B, C, D, E, W11, W09, W04, W12, 0xC76C51A3); - SHA2_32_F(E, F, G, H, A, B, C, D, W12, W10, W05, W13, 0xD192E819); - SHA2_32_F(D, E, F, G, H, A, B, C, W13, W11, W06, W14, 0xD6990624); - SHA2_32_F(C, D, E, F, G, H, A, B, W14, W12, W07, W15, 0xF40E3585); - SHA2_32_F(B, C, D, E, F, G, H, A, W15, W13, W08, W00, 0x106AA070); - SHA2_32_F(A, B, C, D, E, F, G, H, W00, W14, W09, W01, 0x19A4C116); - SHA2_32_F(H, A, B, C, D, E, F, G, W01, W15, W10, W02, 0x1E376C08); - SHA2_32_F(G, H, A, B, C, D, E, F, W02, W00, W11, W03, 0x2748774C); - SHA2_32_F(F, G, H, A, B, C, D, E, W03, W01, W12, W04, 0x34B0BCB5); - SHA2_32_F(E, F, G, H, A, B, C, D, W04, W02, W13, W05, 0x391C0CB3); - SHA2_32_F(D, E, F, G, H, A, B, C, W05, W03, W14, W06, 0x4ED8AA4A); - SHA2_32_F(C, D, E, F, G, H, A, B, W06, W04, W15, W07, 0x5B9CCA4F); - SHA2_32_F(B, C, D, E, F, G, H, A, W07, W05, W00, W08, 0x682E6FF3); - SHA2_32_F(A, B, C, D, E, F, G, H, W08, W06, W01, W09, 0x748F82EE); - SHA2_32_F(H, A, B, C, D, E, F, G, W09, W07, W02, W10, 0x78A5636F); - SHA2_32_F(G, H, A, B, C, D, E, F, W10, W08, W03, W11, 0x84C87814); - SHA2_32_F(F, G, H, A, B, C, D, E, W11, W09, W04, W12, 0x8CC70208); - SHA2_32_F(E, F, G, H, A, B, C, D, W12, W10, W05, W13, 0x90BEFFFA); - SHA2_32_F(D, E, F, G, H, A, B, C, W13, W11, W06, W14, 0xA4506CEB); - SHA2_32_F(C, D, E, F, G, H, A, B, W14, W12, W07, W15, 0xBEF9A3F7); - SHA2_32_F(B, C, D, E, F, G, H, A, W15, W13, W08, W00, 0xC67178F2); - - A = (digest[0] += A); - B = (digest[1] += B); - C = (digest[2] += C); - D = (digest[3] += D); - E = (digest[4] += E); - F = (digest[5] += F); - G = (digest[6] += G); - H = (digest[7] += H); - - input += 64; - } - } - -} - -} - -/* -* SHA-224 compression function -*/ -void SHA_224::compress_n(const byte input[], size_t blocks) - { - SHA2_32::compress(digest, input, blocks); - } - -/* -* Copy out the digest -*/ -void SHA_224::copy_out(byte output[]) - { - for(size_t i = 0; i != output_length(); i += 4) - store_be(digest[i/4], output + i); - } - -/* -* Clear memory of sensitive data -*/ -void SHA_224::clear() - { - MDx_HashFunction::clear(); - digest[0] = 0xC1059ED8; - digest[1] = 0x367CD507; - digest[2] = 0x3070DD17; - digest[3] = 0xF70E5939; - digest[4] = 0xFFC00B31; - digest[5] = 0x68581511; - digest[6] = 0x64F98FA7; - digest[7] = 0xBEFA4FA4; - } - -/* -* SHA-256 compression function -*/ -void SHA_256::compress_n(const byte input[], size_t blocks) - { - SHA2_32::compress(digest, input, blocks); - } - -/* -* Copy out the digest -*/ -void SHA_256::copy_out(byte output[]) - { - for(size_t i = 0; i != output_length(); i += 4) - store_be(digest[i/4], output + i); - } - -/* -* Clear memory of sensitive data -*/ -void SHA_256::clear() - { - MDx_HashFunction::clear(); - digest[0] = 0x6A09E667; - digest[1] = 0xBB67AE85; - digest[2] = 0x3C6EF372; - digest[3] = 0xA54FF53A; - digest[4] = 0x510E527F; - digest[5] = 0x9B05688C; - digest[6] = 0x1F83D9AB; - digest[7] = 0x5BE0CD19; - } - -} |