/* * sha512.c - implementation of SHA224, SHA256, SHA384 and SHA512 * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #ifdef FREEBL_NO_DEPEND #include "stubs.h" #endif #include "prcpucfg.h" #if defined(NSS_X86) || defined(SHA_NO_LONG_LONG) #define NOUNROLL512 1 #undef HAVE_LONG_LONG #endif #include "prtypes.h" /* for PRUintXX */ #include "prlong.h" #include "secport.h" /* for PORT_XXX */ #include "blapi.h" #include "blapii.h" #include "secerr.h" #include "sha256.h" /* for struct SHA256ContextStr */ #include "crypto_primitives.h" #include "ppc-crypto.h" /* for USE_PPC_CRYPTO */ /* ============= Common constants and defines ======================= */ #define W ctx->u.w #define B ctx->u.b #define H ctx->h #define SHR(x, n) (x >> n) #define SHL(x, n) (x << n) #define Ch(x, y, z) ((x & y) ^ (~x & z)) #define Maj(x, y, z) ((x & y) ^ (x & z) ^ (y & z)) #define SHA_MIN(a, b) (a < b ? a : b) /* Padding used with all flavors of SHA */ static const PRUint8 pad[240] = { 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 /* compiler will fill the rest in with zeros */ }; /* ============= SHA256 implementation ================================== */ /* SHA-256 constants, K256. */ pre_align static const PRUint32 K256[64] post_align = { 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5, 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da, 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967, 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85, 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070, 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3, 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2 }; /* SHA-256 initial hash values */ static const PRUint32 H256[8] = { 0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a, 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19 }; #if defined(IS_LITTLE_ENDIAN) #if (_MSC_VER >= 1300) #include <stdlib.h> #pragma intrinsic(_byteswap_ulong) #define SHA_HTONL(x) _byteswap_ulong(x) #elif defined(_MSC_VER) && defined(NSS_X86_OR_X64) #ifndef FORCEINLINE #if (_MSC_VER >= 1200) #define FORCEINLINE __forceinline #else #define FORCEINLINE __inline #endif #endif #define FASTCALL __fastcall static FORCEINLINE PRUint32 FASTCALL swap4b(PRUint32 dwd) { __asm { mov eax,dwd bswap eax } } #define SHA_HTONL(x) swap4b(x) #elif defined(__GNUC__) && defined(NSS_X86_OR_X64) static __inline__ PRUint32 swap4b(PRUint32 value) { __asm__("bswap %0" : "+r"(value)); return (value); } #define SHA_HTONL(x) swap4b(x) #elif defined(__GNUC__) && (defined(__thumb2__) || \ (!defined(__thumb__) && \ (defined(__ARM_ARCH_6__) || \ defined(__ARM_ARCH_6J__) || \ defined(__ARM_ARCH_6K__) || \ defined(__ARM_ARCH_6Z__) || \ defined(__ARM_ARCH_6ZK__) || \ defined(__ARM_ARCH_6T2__) || \ defined(__ARM_ARCH_7__) || \ defined(__ARM_ARCH_7A__) || \ defined(__ARM_ARCH_7R__)))) static __inline__ PRUint32 swap4b(PRUint32 value) { PRUint32 ret; __asm__("rev %0, %1" : "=r"(ret) : "r"(value)); return ret; } #define SHA_HTONL(x) swap4b(x) #else #define SWAP4MASK 0x00FF00FF static PRUint32 swap4b(PRUint32 value) { PRUint32 t1 = (value << 16) | (value >> 16); return ((t1 & SWAP4MASK) << 8) | ((t1 >> 8) & SWAP4MASK); } #define SHA_HTONL(x) swap4b(x) #endif #define BYTESWAP4(x) x = SHA_HTONL(x) #endif /* defined(IS_LITTLE_ENDIAN) */ #if defined(_MSC_VER) #pragma intrinsic(_lrotr, _lrotl) #define ROTR32(x, n) _lrotr(x, n) #define ROTL32(x, n) _lrotl(x, n) #else #define ROTR32(x, n) ((x >> n) | (x << ((8 * sizeof x) - n))) #define ROTL32(x, n) ((x << n) | (x >> ((8 * sizeof x) - n))) #endif /* Capitol Sigma and lower case sigma functions */ #define S0(x) (ROTR32(x, 2) ^ ROTR32(x, 13) ^ ROTR32(x, 22)) #define S1(x) (ROTR32(x, 6) ^ ROTR32(x, 11) ^ ROTR32(x, 25)) #define s0(x) (ROTR32(x, 7) ^ ROTR32(x, 18) ^ SHR(x, 3)) #define s1(x) (ROTR32(x, 17) ^ ROTR32(x, 19) ^ SHR(x, 10)) void SHA256_Compress_Native(SHA256Context *ctx); void SHA256_Update_Native(SHA256Context *ctx, const unsigned char *input, unsigned int inputLen); static void SHA256_Compress_Generic(SHA256Context *ctx); static void SHA256_Update_Generic(SHA256Context *ctx, const unsigned char *input, unsigned int inputLen); #if !defined(USE_HW_SHA2) void SHA256_Compress_Native(SHA256Context *ctx) { PORT_SetError(SEC_ERROR_LIBRARY_FAILURE); PORT_Assert(0); } void SHA256_Update_Native(SHA256Context *ctx, const unsigned char *input, unsigned int inputLen) { PORT_SetError(SEC_ERROR_LIBRARY_FAILURE); PORT_Assert(0); } #endif SHA256Context * SHA256_NewContext(void) { SHA256Context *ctx = PORT_New(SHA256Context); return ctx; } void SHA256_DestroyContext(SHA256Context *ctx, PRBool freeit) { memset(ctx, 0, sizeof *ctx); if (freeit) { PORT_Free(ctx); } } void SHA256_Begin(SHA256Context *ctx) { PRBool use_hw_sha2 = PR_FALSE; memset(ctx, 0, sizeof *ctx); memcpy(H, H256, sizeof H256); #if defined(USE_HW_SHA2) && defined(IS_LITTLE_ENDIAN) /* arm's implementation is tested on little endian only */ use_hw_sha2 = arm_sha2_support() || (sha_support() && ssse3_support() && sse4_1_support()); #endif if (use_hw_sha2) { ctx->compress = SHA256_Compress_Native; ctx->update = SHA256_Update_Native; } else { ctx->compress = SHA256_Compress_Generic; ctx->update = SHA256_Update_Generic; } } #if defined(USE_PPC_CRYPTO) #define ROUND(n, a, b, c, d, e, f, g, h) \ s0 = __builtin_crypto_vshasigmaw(e, 1, 0xf); \ h += s0 + vec_sel(g, f, e) + w[n / 4]; \ d += h; \ s0 = __builtin_crypto_vshasigmaw(a, 1, 0); \ h += s0 + vec_sel(b, c, vec_xor(a, b)); \ if (n % 4 != 3) \ w[n / 4] = vec_sro(w[n / 4], rshift); #else #define ROUND(n, a, b, c, d, e, f, g, h) \ h += S1(e) + Ch(e, f, g) + K256[n] + W[n]; \ d += h; \ h += S0(a) + Maj(a, b, c); #endif #define SHA256_UNROLLED_ROUNDS \ ROUND(0, a, b, c, d, e, f, g, h) \ ROUND(1, h, a, b, c, d, e, f, g) \ ROUND(2, g, h, a, b, c, d, e, f) \ ROUND(3, f, g, h, a, b, c, d, e) \ ROUND(4, e, f, g, h, a, b, c, d) \ ROUND(5, d, e, f, g, h, a, b, c) \ ROUND(6, c, d, e, f, g, h, a, b) \ ROUND(7, b, c, d, e, f, g, h, a) \ \ ROUND(8, a, b, c, d, e, f, g, h) \ ROUND(9, h, a, b, c, d, e, f, g) \ ROUND(10, g, h, a, b, c, d, e, f) \ ROUND(11, f, g, h, a, b, c, d, e) \ ROUND(12, e, f, g, h, a, b, c, d) \ ROUND(13, d, e, f, g, h, a, b, c) \ ROUND(14, c, d, e, f, g, h, a, b) \ ROUND(15, b, c, d, e, f, g, h, a) \ \ ROUND(16, a, b, c, d, e, f, g, h) \ ROUND(17, h, a, b, c, d, e, f, g) \ ROUND(18, g, h, a, b, c, d, e, f) \ ROUND(19, f, g, h, a, b, c, d, e) \ ROUND(20, e, f, g, h, a, b, c, d) \ ROUND(21, d, e, f, g, h, a, b, c) \ ROUND(22, c, d, e, f, g, h, a, b) \ ROUND(23, b, c, d, e, f, g, h, a) \ \ ROUND(24, a, b, c, d, e, f, g, h) \ ROUND(25, h, a, b, c, d, e, f, g) \ ROUND(26, g, h, a, b, c, d, e, f) \ ROUND(27, f, g, h, a, b, c, d, e) \ ROUND(28, e, f, g, h, a, b, c, d) \ ROUND(29, d, e, f, g, h, a, b, c) \ ROUND(30, c, d, e, f, g, h, a, b) \ ROUND(31, b, c, d, e, f, g, h, a) \ \ ROUND(32, a, b, c, d, e, f, g, h) \ ROUND(33, h, a, b, c, d, e, f, g) \ ROUND(34, g, h, a, b, c, d, e, f) \ ROUND(35, f, g, h, a, b, c, d, e) \ ROUND(36, e, f, g, h, a, b, c, d) \ ROUND(37, d, e, f, g, h, a, b, c) \ ROUND(38, c, d, e, f, g, h, a, b) \ ROUND(39, b, c, d, e, f, g, h, a) \ \ ROUND(40, a, b, c, d, e, f, g, h) \ ROUND(41, h, a, b, c, d, e, f, g) \ ROUND(42, g, h, a, b, c, d, e, f) \ ROUND(43, f, g, h, a, b, c, d, e) \ ROUND(44, e, f, g, h, a, b, c, d) \ ROUND(45, d, e, f, g, h, a, b, c) \ ROUND(46, c, d, e, f, g, h, a, b) \ ROUND(47, b, c, d, e, f, g, h, a) \ \ ROUND(48, a, b, c, d, e, f, g, h) \ ROUND(49, h, a, b, c, d, e, f, g) \ ROUND(50, g, h, a, b, c, d, e, f) \ ROUND(51, f, g, h, a, b, c, d, e) \ ROUND(52, e, f, g, h, a, b, c, d) \ ROUND(53, d, e, f, g, h, a, b, c) \ ROUND(54, c, d, e, f, g, h, a, b) \ ROUND(55, b, c, d, e, f, g, h, a) \ \ ROUND(56, a, b, c, d, e, f, g, h) \ ROUND(57, h, a, b, c, d, e, f, g) \ ROUND(58, g, h, a, b, c, d, e, f) \ ROUND(59, f, g, h, a, b, c, d, e) \ ROUND(60, e, f, g, h, a, b, c, d) \ ROUND(61, d, e, f, g, h, a, b, c) \ ROUND(62, c, d, e, f, g, h, a, b) \ ROUND(63, b, c, d, e, f, g, h, a) static void SHA256_Compress_Generic(SHA256Context *ctx) { #if defined(USE_PPC_CRYPTO) vec_u32 w[16], s0, s1; const vec_u8 rshift = (vec_u8)vec_splats(4 << 3); const vec_u8 shifthalf = (vec_u8)vec_splats(8 << 3); const vec_u8 bswap4 = (vec_u8){ 3, 2, 1, 0, 7, 6, 5, 4, 11, 10, 9, 8, 15, 14, 13, 12 }; unsigned i; for (i = 0; i < 4; i++) { w[i] = vec_vsx_ld(0, &W[i * 4]); w[i] = vec_perm(w[i], w[i], bswap4); } /* prepare the message schedule */ for (i = 4; i < 16; i++) { vec_u32 off1 = vec_sld(w[i - 3], w[i - 4], 12); vec_u32 off2 = vec_sld(w[i - 1], w[i - 2], 12); s0 = __builtin_crypto_vshasigmaw(off1, 0, 0); /* first half, s1 depends on two prior ints */ s1 = __builtin_crypto_vshasigmaw(w[i - 1], 0, 0xf); s1 = vec_sro(s1, shifthalf); w[i] = w[i - 4] + s0 + off2 + s1; /* second half s1 */ s1 = __builtin_crypto_vshasigmaw(w[i], 0, 0xf); s1 = vec_slo(s1, shifthalf); w[i] += s1; } for (i = 0; i < 16; i++) { w[i] += vec_ld(0, &K256[i * 4]); } vec_u32 a, b, c, d, e, f, g, h; a = vec_splats(H[0]); b = vec_splats(H[1]); c = vec_splats(H[2]); d = vec_splats(H[3]); e = vec_splats(H[4]); f = vec_splats(H[5]); g = vec_splats(H[6]); h = vec_splats(H[7]); SHA256_UNROLLED_ROUNDS; H[0] += a[0]; H[1] += b[0]; H[2] += c[0]; H[3] += d[0]; H[4] += e[0]; H[5] += f[0]; H[6] += g[0]; H[7] += h[0]; #undef ROUND #else /* USE_PPC_CRYPTO*/ { #if defined(IS_LITTLE_ENDIAN) BYTESWAP4(W[0]); BYTESWAP4(W[1]); BYTESWAP4(W[2]); BYTESWAP4(W[3]); BYTESWAP4(W[4]); BYTESWAP4(W[5]); BYTESWAP4(W[6]); BYTESWAP4(W[7]); BYTESWAP4(W[8]); BYTESWAP4(W[9]); BYTESWAP4(W[10]); BYTESWAP4(W[11]); BYTESWAP4(W[12]); BYTESWAP4(W[13]); BYTESWAP4(W[14]); BYTESWAP4(W[15]); #endif #define INITW(t) W[t] = (s1(W[t - 2]) + W[t - 7] + s0(W[t - 15]) + W[t - 16]) /* prepare the "message schedule" */ #ifdef NOUNROLL256 { int t; for (t = 16; t < 64; ++t) { INITW(t); } } #else INITW(16); INITW(17); INITW(18); INITW(19); INITW(20); INITW(21); INITW(22); INITW(23); INITW(24); INITW(25); INITW(26); INITW(27); INITW(28); INITW(29); INITW(30); INITW(31); INITW(32); INITW(33); INITW(34); INITW(35); INITW(36); INITW(37); INITW(38); INITW(39); INITW(40); INITW(41); INITW(42); INITW(43); INITW(44); INITW(45); INITW(46); INITW(47); INITW(48); INITW(49); INITW(50); INITW(51); INITW(52); INITW(53); INITW(54); INITW(55); INITW(56); INITW(57); INITW(58); INITW(59); INITW(60); INITW(61); INITW(62); INITW(63); #endif #undef INITW } { PRUint32 a, b, c, d, e, f, g, h; a = H[0]; b = H[1]; c = H[2]; d = H[3]; e = H[4]; f = H[5]; g = H[6]; h = H[7]; #ifdef NOUNROLL256 { int t; for (t = 0; t < 64; t += 8) { ROUND(t + 0, a, b, c, d, e, f, g, h) ROUND(t + 1, h, a, b, c, d, e, f, g) ROUND(t + 2, g, h, a, b, c, d, e, f) ROUND(t + 3, f, g, h, a, b, c, d, e) ROUND(t + 4, e, f, g, h, a, b, c, d) ROUND(t + 5, d, e, f, g, h, a, b, c) ROUND(t + 6, c, d, e, f, g, h, a, b) ROUND(t + 7, b, c, d, e, f, g, h, a) } } #else SHA256_UNROLLED_ROUNDS; #endif H[0] += a; H[1] += b; H[2] += c; H[3] += d; H[4] += e; H[5] += f; H[6] += g; H[7] += h; } #undef ROUND #endif /* !USE_PPC_CRYPTO */ } #undef s0 #undef s1 #undef S0 #undef S1 void SHA256_Update(SHA256Context *ctx, const unsigned char *input, unsigned int inputLen) { ctx->update(ctx, input, inputLen); } static void SHA256_Update_Generic(SHA256Context *ctx, const unsigned char *input, unsigned int inputLen) { unsigned int inBuf = ctx->sizeLo & 0x3f; if (!inputLen) return; /* Add inputLen into the count of bytes processed, before processing */ if ((ctx->sizeLo += inputLen) < inputLen) ctx->sizeHi++; /* if data already in buffer, attemp to fill rest of buffer */ if (inBuf) { unsigned int todo = SHA256_BLOCK_LENGTH - inBuf; if (inputLen < todo) todo = inputLen; memcpy(B + inBuf, input, todo); input += todo; inputLen -= todo; if (inBuf + todo == SHA256_BLOCK_LENGTH) SHA256_Compress_Generic(ctx); } /* if enough data to fill one or more whole buffers, process them. */ while (inputLen >= SHA256_BLOCK_LENGTH) { memcpy(B, input, SHA256_BLOCK_LENGTH); input += SHA256_BLOCK_LENGTH; inputLen -= SHA256_BLOCK_LENGTH; SHA256_Compress_Generic(ctx); } /* if data left over, fill it into buffer */ if (inputLen) memcpy(B, input, inputLen); } void SHA256_End(SHA256Context *ctx, unsigned char *digest, unsigned int *digestLen, unsigned int maxDigestLen) { unsigned int inBuf = ctx->sizeLo & 0x3f; unsigned int padLen = (inBuf < 56) ? (56 - inBuf) : (56 + 64 - inBuf); PRUint32 hi, lo; hi = (ctx->sizeHi << 3) | (ctx->sizeLo >> 29); lo = (ctx->sizeLo << 3); ctx->update(ctx, pad, padLen); #if defined(IS_LITTLE_ENDIAN) W[14] = SHA_HTONL(hi); W[15] = SHA_HTONL(lo); #else W[14] = hi; W[15] = lo; #endif ctx->compress(ctx); /* now output the answer */ #if defined(IS_LITTLE_ENDIAN) BYTESWAP4(H[0]); BYTESWAP4(H[1]); BYTESWAP4(H[2]); BYTESWAP4(H[3]); BYTESWAP4(H[4]); BYTESWAP4(H[5]); BYTESWAP4(H[6]); BYTESWAP4(H[7]); #endif padLen = PR_MIN(SHA256_LENGTH, maxDigestLen); memcpy(digest, H, padLen); if (digestLen) *digestLen = padLen; } void SHA256_EndRaw(SHA256Context *ctx, unsigned char *digest, unsigned int *digestLen, unsigned int maxDigestLen) { PRUint32 h[8]; unsigned int len; memcpy(h, ctx->h, sizeof(h)); #if defined(IS_LITTLE_ENDIAN) BYTESWAP4(h[0]); BYTESWAP4(h[1]); BYTESWAP4(h[2]); BYTESWAP4(h[3]); BYTESWAP4(h[4]); BYTESWAP4(h[5]); BYTESWAP4(h[6]); BYTESWAP4(h[7]); #endif len = PR_MIN(SHA256_LENGTH, maxDigestLen); memcpy(digest, h, len); if (digestLen) *digestLen = len; } SECStatus SHA256_HashBuf(unsigned char *dest, const unsigned char *src, PRUint32 src_length) { SHA256Context ctx; unsigned int outLen; SHA256_Begin(&ctx); SHA256_Update(&ctx, src, src_length); SHA256_End(&ctx, dest, &outLen, SHA256_LENGTH); memset(&ctx, 0, sizeof ctx); return SECSuccess; } SECStatus SHA256_Hash(unsigned char *dest, const char *src) { return SHA256_HashBuf(dest, (const unsigned char *)src, PORT_Strlen(src)); } void SHA256_TraceState(SHA256Context *ctx) { } unsigned int SHA256_FlattenSize(SHA256Context *ctx) { return sizeof *ctx; } SECStatus SHA256_Flatten(SHA256Context *ctx, unsigned char *space) { PORT_Memcpy(space, ctx, sizeof *ctx); return SECSuccess; } SHA256Context * SHA256_Resurrect(unsigned char *space, void *arg) { SHA256Context *ctx = SHA256_NewContext(); if (ctx) PORT_Memcpy(ctx, space, sizeof *ctx); return ctx; } void SHA256_Clone(SHA256Context *dest, SHA256Context *src) { memcpy(dest, src, sizeof *dest); } /* ============= SHA224 implementation ================================== */ /* SHA-224 initial hash values */ static const PRUint32 H224[8] = { 0xc1059ed8, 0x367cd507, 0x3070dd17, 0xf70e5939, 0xffc00b31, 0x68581511, 0x64f98fa7, 0xbefa4fa4 }; SHA224Context * SHA224_NewContext(void) { return SHA256_NewContext(); } void SHA224_DestroyContext(SHA224Context *ctx, PRBool freeit) { SHA256_DestroyContext(ctx, freeit); } void SHA224_Begin(SHA224Context *ctx) { PRBool use_hw_sha2; memset(ctx, 0, sizeof *ctx); memcpy(H, H224, sizeof H224); #if defined(USE_HW_SHA2) && defined(IS_LITTLE_ENDIAN) /* arm's implementation is tested on little endian only */ use_hw_sha2 = arm_sha2_support() || (sha_support() && ssse3_support() && sse4_1_support()); #else use_hw_sha2 = PR_FALSE; #endif if (use_hw_sha2) { ctx->compress = SHA256_Compress_Native; ctx->update = SHA256_Update_Native; } else { ctx->compress = SHA256_Compress_Generic; ctx->update = SHA256_Update_Generic; } } void SHA224_Update(SHA224Context *ctx, const unsigned char *input, unsigned int inputLen) { ctx->update(ctx, input, inputLen); } void SHA224_End(SHA256Context *ctx, unsigned char *digest, unsigned int *digestLen, unsigned int maxDigestLen) { unsigned int maxLen = SHA_MIN(maxDigestLen, SHA224_LENGTH); SHA256_End(ctx, digest, digestLen, maxLen); } void SHA224_EndRaw(SHA256Context *ctx, unsigned char *digest, unsigned int *digestLen, unsigned int maxDigestLen) { unsigned int maxLen = SHA_MIN(maxDigestLen, SHA224_LENGTH); SHA256_EndRaw(ctx, digest, digestLen, maxLen); } SECStatus SHA224_HashBuf(unsigned char *dest, const unsigned char *src, PRUint32 src_length) { SHA256Context ctx; unsigned int outLen; SHA224_Begin(&ctx); SHA256_Update(&ctx, src, src_length); SHA256_End(&ctx, dest, &outLen, SHA224_LENGTH); memset(&ctx, 0, sizeof ctx); return SECSuccess; } SECStatus SHA224_Hash(unsigned char *dest, const char *src) { return SHA224_HashBuf(dest, (const unsigned char *)src, PORT_Strlen(src)); } void SHA224_TraceState(SHA224Context *ctx) { } unsigned int SHA224_FlattenSize(SHA224Context *ctx) { return SHA256_FlattenSize(ctx); } SECStatus SHA224_Flatten(SHA224Context *ctx, unsigned char *space) { return SHA256_Flatten(ctx, space); } SHA224Context * SHA224_Resurrect(unsigned char *space, void *arg) { return SHA256_Resurrect(space, arg); } void SHA224_Clone(SHA224Context *dest, SHA224Context *src) { SHA256_Clone(dest, src); } /* ======= SHA512 and SHA384 common constants and defines ================= */ /* common #defines for SHA512 and SHA384 */ #if defined(HAVE_LONG_LONG) #define S0(x) (ROTR64(x, 28) ^ ROTR64(x, 34) ^ ROTR64(x, 39)) #define S1(x) (ROTR64(x, 14) ^ ROTR64(x, 18) ^ ROTR64(x, 41)) #define s0(x) (ROTR64(x, 1) ^ ROTR64(x, 8) ^ SHR(x, 7)) #define s1(x) (ROTR64(x, 19) ^ ROTR64(x, 61) ^ SHR(x, 6)) #if PR_BYTES_PER_LONG == 8 #define ULLC(hi, lo) 0x##hi##lo##UL #elif defined(_MSC_VER) #define ULLC(hi, lo) 0x##hi##lo##ui64 #else #define ULLC(hi, lo) 0x##hi##lo##ULL #endif #define BYTESWAP8(x) x = FREEBL_HTONLL(x) #else /* no long long */ #if defined(IS_LITTLE_ENDIAN) #define ULLC(hi, lo) \ { \ 0x##lo##U, 0x##hi##U \ } #define FREEBL_HTONLL(x) (BYTESWAP4(x.lo), BYTESWAP4(x.hi), \ x.hi ^= x.lo ^= x.hi ^= x.lo, x) #define BYTESWAP8(x) \ do { \ PRUint32 tmp; \ BYTESWAP4(x.lo); \ BYTESWAP4(x.hi); \ tmp = x.lo; \ x.lo = x.hi; \ x.hi = tmp; \ } while (0) #else #define ULLC(hi, lo) \ { \ 0x##hi##U, 0x##lo##U \ } #endif #endif #if defined(USE_PPC_CRYPTO) void sha512_block_p8(void *ctx, const void *inp, size_t len); #else /* USE_PPC_CRYPTO */ /* SHA-384 and SHA-512 constants, K512. */ static const PRUint64 K512[80] = { #if PR_BYTES_PER_LONG == 8 0x428a2f98d728ae22UL, 0x7137449123ef65cdUL, 0xb5c0fbcfec4d3b2fUL, 0xe9b5dba58189dbbcUL, 0x3956c25bf348b538UL, 0x59f111f1b605d019UL, 0x923f82a4af194f9bUL, 0xab1c5ed5da6d8118UL, 0xd807aa98a3030242UL, 0x12835b0145706fbeUL, 0x243185be4ee4b28cUL, 0x550c7dc3d5ffb4e2UL, 0x72be5d74f27b896fUL, 0x80deb1fe3b1696b1UL, 0x9bdc06a725c71235UL, 0xc19bf174cf692694UL, 0xe49b69c19ef14ad2UL, 0xefbe4786384f25e3UL, 0x0fc19dc68b8cd5b5UL, 0x240ca1cc77ac9c65UL, 0x2de92c6f592b0275UL, 0x4a7484aa6ea6e483UL, 0x5cb0a9dcbd41fbd4UL, 0x76f988da831153b5UL, 0x983e5152ee66dfabUL, 0xa831c66d2db43210UL, 0xb00327c898fb213fUL, 0xbf597fc7beef0ee4UL, 0xc6e00bf33da88fc2UL, 0xd5a79147930aa725UL, 0x06ca6351e003826fUL, 0x142929670a0e6e70UL, 0x27b70a8546d22ffcUL, 0x2e1b21385c26c926UL, 0x4d2c6dfc5ac42aedUL, 0x53380d139d95b3dfUL, 0x650a73548baf63deUL, 0x766a0abb3c77b2a8UL, 0x81c2c92e47edaee6UL, 0x92722c851482353bUL, 0xa2bfe8a14cf10364UL, 0xa81a664bbc423001UL, 0xc24b8b70d0f89791UL, 0xc76c51a30654be30UL, 0xd192e819d6ef5218UL, 0xd69906245565a910UL, 0xf40e35855771202aUL, 0x106aa07032bbd1b8UL, 0x19a4c116b8d2d0c8UL, 0x1e376c085141ab53UL, 0x2748774cdf8eeb99UL, 0x34b0bcb5e19b48a8UL, 0x391c0cb3c5c95a63UL, 0x4ed8aa4ae3418acbUL, 0x5b9cca4f7763e373UL, 0x682e6ff3d6b2b8a3UL, 0x748f82ee5defb2fcUL, 0x78a5636f43172f60UL, 0x84c87814a1f0ab72UL, 0x8cc702081a6439ecUL, 0x90befffa23631e28UL, 0xa4506cebde82bde9UL, 0xbef9a3f7b2c67915UL, 0xc67178f2e372532bUL, 0xca273eceea26619cUL, 0xd186b8c721c0c207UL, 0xeada7dd6cde0eb1eUL, 0xf57d4f7fee6ed178UL, 0x06f067aa72176fbaUL, 0x0a637dc5a2c898a6UL, 0x113f9804bef90daeUL, 0x1b710b35131c471bUL, 0x28db77f523047d84UL, 0x32caab7b40c72493UL, 0x3c9ebe0a15c9bebcUL, 0x431d67c49c100d4cUL, 0x4cc5d4becb3e42b6UL, 0x597f299cfc657e2aUL, 0x5fcb6fab3ad6faecUL, 0x6c44198c4a475817UL #else ULLC(428a2f98, d728ae22), ULLC(71374491, 23ef65cd), ULLC(b5c0fbcf, ec4d3b2f), ULLC(e9b5dba5, 8189dbbc), ULLC(3956c25b, f348b538), ULLC(59f111f1, b605d019), ULLC(923f82a4, af194f9b), ULLC(ab1c5ed5, da6d8118), ULLC(d807aa98, a3030242), ULLC(12835b01, 45706fbe), ULLC(243185be, 4ee4b28c), ULLC(550c7dc3, d5ffb4e2), ULLC(72be5d74, f27b896f), ULLC(80deb1fe, 3b1696b1), ULLC(9bdc06a7, 25c71235), ULLC(c19bf174, cf692694), ULLC(e49b69c1, 9ef14ad2), ULLC(efbe4786, 384f25e3), ULLC(0fc19dc6, 8b8cd5b5), ULLC(240ca1cc, 77ac9c65), ULLC(2de92c6f, 592b0275), ULLC(4a7484aa, 6ea6e483), ULLC(5cb0a9dc, bd41fbd4), ULLC(76f988da, 831153b5), ULLC(983e5152, ee66dfab), ULLC(a831c66d, 2db43210), ULLC(b00327c8, 98fb213f), ULLC(bf597fc7, beef0ee4), ULLC(c6e00bf3, 3da88fc2), ULLC(d5a79147, 930aa725), ULLC(06ca6351, e003826f), ULLC(14292967, 0a0e6e70), ULLC(27b70a85, 46d22ffc), ULLC(2e1b2138, 5c26c926), ULLC(4d2c6dfc, 5ac42aed), ULLC(53380d13, 9d95b3df), ULLC(650a7354, 8baf63de), ULLC(766a0abb, 3c77b2a8), ULLC(81c2c92e, 47edaee6), ULLC(92722c85, 1482353b), ULLC(a2bfe8a1, 4cf10364), ULLC(a81a664b, bc423001), ULLC(c24b8b70, d0f89791), ULLC(c76c51a3, 0654be30), ULLC(d192e819, d6ef5218), ULLC(d6990624, 5565a910), ULLC(f40e3585, 5771202a), ULLC(106aa070, 32bbd1b8), ULLC(19a4c116, b8d2d0c8), ULLC(1e376c08, 5141ab53), ULLC(2748774c, df8eeb99), ULLC(34b0bcb5, e19b48a8), ULLC(391c0cb3, c5c95a63), ULLC(4ed8aa4a, e3418acb), ULLC(5b9cca4f, 7763e373), ULLC(682e6ff3, d6b2b8a3), ULLC(748f82ee, 5defb2fc), ULLC(78a5636f, 43172f60), ULLC(84c87814, a1f0ab72), ULLC(8cc70208, 1a6439ec), ULLC(90befffa, 23631e28), ULLC(a4506ceb, de82bde9), ULLC(bef9a3f7, b2c67915), ULLC(c67178f2, e372532b), ULLC(ca273ece, ea26619c), ULLC(d186b8c7, 21c0c207), ULLC(eada7dd6, cde0eb1e), ULLC(f57d4f7f, ee6ed178), ULLC(06f067aa, 72176fba), ULLC(0a637dc5, a2c898a6), ULLC(113f9804, bef90dae), ULLC(1b710b35, 131c471b), ULLC(28db77f5, 23047d84), ULLC(32caab7b, 40c72493), ULLC(3c9ebe0a, 15c9bebc), ULLC(431d67c4, 9c100d4c), ULLC(4cc5d4be, cb3e42b6), ULLC(597f299c, fc657e2a), ULLC(5fcb6fab, 3ad6faec), ULLC(6c44198c, 4a475817) #endif }; #endif /* !USE_PPC_CRYPTO */ struct SHA512ContextStr { union { PRUint64 w[80]; /* message schedule, input buffer, plus 64 words */ PRUint32 l[160]; PRUint8 b[640]; } u; PRUint64 h[8]; /* 8 state variables */ PRUint64 sizeLo; /* 64-bit count of hashed bytes. */ }; /* =========== SHA512 implementation ===================================== */ /* SHA-512 initial hash values */ static const PRUint64 H512[8] = { #if PR_BYTES_PER_LONG == 8 0x6a09e667f3bcc908UL, 0xbb67ae8584caa73bUL, 0x3c6ef372fe94f82bUL, 0xa54ff53a5f1d36f1UL, 0x510e527fade682d1UL, 0x9b05688c2b3e6c1fUL, 0x1f83d9abfb41bd6bUL, 0x5be0cd19137e2179UL #else ULLC(6a09e667, f3bcc908), ULLC(bb67ae85, 84caa73b), ULLC(3c6ef372, fe94f82b), ULLC(a54ff53a, 5f1d36f1), ULLC(510e527f, ade682d1), ULLC(9b05688c, 2b3e6c1f), ULLC(1f83d9ab, fb41bd6b), ULLC(5be0cd19, 137e2179) #endif }; SHA512Context * SHA512_NewContext(void) { SHA512Context *ctx = PORT_New(SHA512Context); return ctx; } void SHA512_DestroyContext(SHA512Context *ctx, PRBool freeit) { memset(ctx, 0, sizeof *ctx); if (freeit) { PORT_Free(ctx); } } void SHA512_Begin(SHA512Context *ctx) { memset(ctx, 0, sizeof *ctx); memcpy(H, H512, sizeof H512); } #if defined(SHA512_TRACE) #if defined(HAVE_LONG_LONG) #define DUMP(n, a, d, e, h) printf(" t = %2d, %s = %016lx, %s = %016lx\n", \ n, #e, d, #a, h); #else #define DUMP(n, a, d, e, h) printf(" t = %2d, %s = %08x%08x, %s = %08x%08x\n", \ n, #e, d.hi, d.lo, #a, h.hi, h.lo); #endif #else #define DUMP(n, a, d, e, h) #endif #if defined(HAVE_LONG_LONG) #define ADDTO(x, y) y += x #define INITW(t) W[t] = (s1(W[t - 2]) + W[t - 7] + s0(W[t - 15]) + W[t - 16]) #define ROUND(n, a, b, c, d, e, f, g, h) \ h += S1(e) + Ch(e, f, g) + K512[n] + W[n]; \ d += h; \ h += S0(a) + Maj(a, b, c); \ DUMP(n, a, d, e, h) #else /* use only 32-bit variables, and don't unroll loops */ #undef NOUNROLL512 #define NOUNROLL512 1 #define ADDTO(x, y) \ y.lo += x.lo; \ y.hi += x.hi + (x.lo > y.lo) #define ROTR64a(x, n, lo, hi) (x.lo >> n | x.hi << (32 - n)) #define ROTR64A(x, n, lo, hi) (x.lo << (64 - n) | x.hi >> (n - 32)) #define SHR64a(x, n, lo, hi) (x.lo >> n | x.hi << (32 - n)) /* Capitol Sigma and lower case sigma functions */ #define s0lo(x) (ROTR64a(x, 1, lo, hi) ^ ROTR64a(x, 8, lo, hi) ^ SHR64a(x, 7, lo, hi)) #define s0hi(x) (ROTR64a(x, 1, hi, lo) ^ ROTR64a(x, 8, hi, lo) ^ (x.hi >> 7)) #define s1lo(x) (ROTR64a(x, 19, lo, hi) ^ ROTR64A(x, 61, lo, hi) ^ SHR64a(x, 6, lo, hi)) #define s1hi(x) (ROTR64a(x, 19, hi, lo) ^ ROTR64A(x, 61, hi, lo) ^ (x.hi >> 6)) #define S0lo(x) (ROTR64a(x, 28, lo, hi) ^ ROTR64A(x, 34, lo, hi) ^ ROTR64A(x, 39, lo, hi)) #define S0hi(x) (ROTR64a(x, 28, hi, lo) ^ ROTR64A(x, 34, hi, lo) ^ ROTR64A(x, 39, hi, lo)) #define S1lo(x) (ROTR64a(x, 14, lo, hi) ^ ROTR64a(x, 18, lo, hi) ^ ROTR64A(x, 41, lo, hi)) #define S1hi(x) (ROTR64a(x, 14, hi, lo) ^ ROTR64a(x, 18, hi, lo) ^ ROTR64A(x, 41, hi, lo)) /* 32-bit versions of Ch and Maj */ #define Chxx(x, y, z, lo) ((x.lo & y.lo) ^ (~x.lo & z.lo)) #define Majx(x, y, z, lo) ((x.lo & y.lo) ^ (x.lo & z.lo) ^ (y.lo & z.lo)) #define INITW(t) \ do { \ PRUint32 lo, tm; \ PRUint32 cy = 0; \ lo = s1lo(W[t - 2]); \ lo += (tm = W[t - 7].lo); \ if (lo < tm) \ cy++; \ lo += (tm = s0lo(W[t - 15])); \ if (lo < tm) \ cy++; \ lo += (tm = W[t - 16].lo); \ if (lo < tm) \ cy++; \ W[t].lo = lo; \ W[t].hi = cy + s1hi(W[t - 2]) + W[t - 7].hi + s0hi(W[t - 15]) + W[t - 16].hi; \ } while (0) #define ROUND(n, a, b, c, d, e, f, g, h) \ { \ PRUint32 lo, tm, cy; \ lo = S1lo(e); \ lo += (tm = Chxx(e, f, g, lo)); \ cy = (lo < tm); \ lo += (tm = K512[n].lo); \ if (lo < tm) \ cy++; \ lo += (tm = W[n].lo); \ if (lo < tm) \ cy++; \ h.lo += lo; \ if (h.lo < lo) \ cy++; \ h.hi += cy + S1hi(e) + Chxx(e, f, g, hi) + K512[n].hi + W[n].hi; \ d.lo += h.lo; \ d.hi += h.hi + (d.lo < h.lo); \ lo = S0lo(a); \ lo += (tm = Majx(a, b, c, lo)); \ cy = (lo < tm); \ h.lo += lo; \ if (h.lo < lo) \ cy++; \ h.hi += cy + S0hi(a) + Majx(a, b, c, hi); \ DUMP(n, a, d, e, h) \ } #endif static void SHA512_Compress(SHA512Context *ctx) { #if defined(USE_PPC_CRYPTO) sha512_block_p8(&H[0], &W[0], 1); #else /* USE_PPC_CRYPTO */ #if defined(IS_LITTLE_ENDIAN) { BYTESWAP8(W[0]); BYTESWAP8(W[1]); BYTESWAP8(W[2]); BYTESWAP8(W[3]); BYTESWAP8(W[4]); BYTESWAP8(W[5]); BYTESWAP8(W[6]); BYTESWAP8(W[7]); BYTESWAP8(W[8]); BYTESWAP8(W[9]); BYTESWAP8(W[10]); BYTESWAP8(W[11]); BYTESWAP8(W[12]); BYTESWAP8(W[13]); BYTESWAP8(W[14]); BYTESWAP8(W[15]); } #endif { #ifdef NOUNROLL512 { /* prepare the "message schedule" */ int t; for (t = 16; t < 80; ++t) { INITW(t); } } #else INITW(16); INITW(17); INITW(18); INITW(19); INITW(20); INITW(21); INITW(22); INITW(23); INITW(24); INITW(25); INITW(26); INITW(27); INITW(28); INITW(29); INITW(30); INITW(31); INITW(32); INITW(33); INITW(34); INITW(35); INITW(36); INITW(37); INITW(38); INITW(39); INITW(40); INITW(41); INITW(42); INITW(43); INITW(44); INITW(45); INITW(46); INITW(47); INITW(48); INITW(49); INITW(50); INITW(51); INITW(52); INITW(53); INITW(54); INITW(55); INITW(56); INITW(57); INITW(58); INITW(59); INITW(60); INITW(61); INITW(62); INITW(63); INITW(64); INITW(65); INITW(66); INITW(67); INITW(68); INITW(69); INITW(70); INITW(71); INITW(72); INITW(73); INITW(74); INITW(75); INITW(76); INITW(77); INITW(78); INITW(79); #endif } #ifdef SHA512_TRACE { int i; for (i = 0; i < 80; ++i) { #ifdef HAVE_LONG_LONG printf("W[%2d] = %016lx\n", i, W[i]); #else printf("W[%2d] = %08x%08x\n", i, W[i].hi, W[i].lo); #endif } } #endif { PRUint64 a, b, c, d, e, f, g, h; a = H[0]; b = H[1]; c = H[2]; d = H[3]; e = H[4]; f = H[5]; g = H[6]; h = H[7]; #ifdef NOUNROLL512 { int t; for (t = 0; t < 80; t += 8) { ROUND(t + 0, a, b, c, d, e, f, g, h) ROUND(t + 1, h, a, b, c, d, e, f, g) ROUND(t + 2, g, h, a, b, c, d, e, f) ROUND(t + 3, f, g, h, a, b, c, d, e) ROUND(t + 4, e, f, g, h, a, b, c, d) ROUND(t + 5, d, e, f, g, h, a, b, c) ROUND(t + 6, c, d, e, f, g, h, a, b) ROUND(t + 7, b, c, d, e, f, g, h, a) } } #else ROUND(0, a, b, c, d, e, f, g, h) ROUND(1, h, a, b, c, d, e, f, g) ROUND(2, g, h, a, b, c, d, e, f) ROUND(3, f, g, h, a, b, c, d, e) ROUND(4, e, f, g, h, a, b, c, d) ROUND(5, d, e, f, g, h, a, b, c) ROUND(6, c, d, e, f, g, h, a, b) ROUND(7, b, c, d, e, f, g, h, a) ROUND(8, a, b, c, d, e, f, g, h) ROUND(9, h, a, b, c, d, e, f, g) ROUND(10, g, h, a, b, c, d, e, f) ROUND(11, f, g, h, a, b, c, d, e) ROUND(12, e, f, g, h, a, b, c, d) ROUND(13, d, e, f, g, h, a, b, c) ROUND(14, c, d, e, f, g, h, a, b) ROUND(15, b, c, d, e, f, g, h, a) ROUND(16, a, b, c, d, e, f, g, h) ROUND(17, h, a, b, c, d, e, f, g) ROUND(18, g, h, a, b, c, d, e, f) ROUND(19, f, g, h, a, b, c, d, e) ROUND(20, e, f, g, h, a, b, c, d) ROUND(21, d, e, f, g, h, a, b, c) ROUND(22, c, d, e, f, g, h, a, b) ROUND(23, b, c, d, e, f, g, h, a) ROUND(24, a, b, c, d, e, f, g, h) ROUND(25, h, a, b, c, d, e, f, g) ROUND(26, g, h, a, b, c, d, e, f) ROUND(27, f, g, h, a, b, c, d, e) ROUND(28, e, f, g, h, a, b, c, d) ROUND(29, d, e, f, g, h, a, b, c) ROUND(30, c, d, e, f, g, h, a, b) ROUND(31, b, c, d, e, f, g, h, a) ROUND(32, a, b, c, d, e, f, g, h) ROUND(33, h, a, b, c, d, e, f, g) ROUND(34, g, h, a, b, c, d, e, f) ROUND(35, f, g, h, a, b, c, d, e) ROUND(36, e, f, g, h, a, b, c, d) ROUND(37, d, e, f, g, h, a, b, c) ROUND(38, c, d, e, f, g, h, a, b) ROUND(39, b, c, d, e, f, g, h, a) ROUND(40, a, b, c, d, e, f, g, h) ROUND(41, h, a, b, c, d, e, f, g) ROUND(42, g, h, a, b, c, d, e, f) ROUND(43, f, g, h, a, b, c, d, e) ROUND(44, e, f, g, h, a, b, c, d) ROUND(45, d, e, f, g, h, a, b, c) ROUND(46, c, d, e, f, g, h, a, b) ROUND(47, b, c, d, e, f, g, h, a) ROUND(48, a, b, c, d, e, f, g, h) ROUND(49, h, a, b, c, d, e, f, g) ROUND(50, g, h, a, b, c, d, e, f) ROUND(51, f, g, h, a, b, c, d, e) ROUND(52, e, f, g, h, a, b, c, d) ROUND(53, d, e, f, g, h, a, b, c) ROUND(54, c, d, e, f, g, h, a, b) ROUND(55, b, c, d, e, f, g, h, a) ROUND(56, a, b, c, d, e, f, g, h) ROUND(57, h, a, b, c, d, e, f, g) ROUND(58, g, h, a, b, c, d, e, f) ROUND(59, f, g, h, a, b, c, d, e) ROUND(60, e, f, g, h, a, b, c, d) ROUND(61, d, e, f, g, h, a, b, c) ROUND(62, c, d, e, f, g, h, a, b) ROUND(63, b, c, d, e, f, g, h, a) ROUND(64, a, b, c, d, e, f, g, h) ROUND(65, h, a, b, c, d, e, f, g) ROUND(66, g, h, a, b, c, d, e, f) ROUND(67, f, g, h, a, b, c, d, e) ROUND(68, e, f, g, h, a, b, c, d) ROUND(69, d, e, f, g, h, a, b, c) ROUND(70, c, d, e, f, g, h, a, b) ROUND(71, b, c, d, e, f, g, h, a) ROUND(72, a, b, c, d, e, f, g, h) ROUND(73, h, a, b, c, d, e, f, g) ROUND(74, g, h, a, b, c, d, e, f) ROUND(75, f, g, h, a, b, c, d, e) ROUND(76, e, f, g, h, a, b, c, d) ROUND(77, d, e, f, g, h, a, b, c) ROUND(78, c, d, e, f, g, h, a, b) ROUND(79, b, c, d, e, f, g, h, a) #endif ADDTO(a, H[0]); ADDTO(b, H[1]); ADDTO(c, H[2]); ADDTO(d, H[3]); ADDTO(e, H[4]); ADDTO(f, H[5]); ADDTO(g, H[6]); ADDTO(h, H[7]); } #endif /* !USE_PPC_CRYPTO */ } void SHA512_Update(SHA512Context *ctx, const unsigned char *input, unsigned int inputLen) { unsigned int inBuf; if (!inputLen) return; #if defined(HAVE_LONG_LONG) inBuf = (unsigned int)ctx->sizeLo & 0x7f; /* Add inputLen into the count of bytes processed, before processing */ ctx->sizeLo += inputLen; #else inBuf = (unsigned int)ctx->sizeLo.lo & 0x7f; ctx->sizeLo.lo += inputLen; if (ctx->sizeLo.lo < inputLen) ctx->sizeLo.hi++; #endif /* if data already in buffer, attemp to fill rest of buffer */ if (inBuf) { unsigned int todo = SHA512_BLOCK_LENGTH - inBuf; if (inputLen < todo) todo = inputLen; memcpy(B + inBuf, input, todo); input += todo; inputLen -= todo; if (inBuf + todo == SHA512_BLOCK_LENGTH) SHA512_Compress(ctx); } /* if enough data to fill one or more whole buffers, process them. */ while (inputLen >= SHA512_BLOCK_LENGTH) { memcpy(B, input, SHA512_BLOCK_LENGTH); input += SHA512_BLOCK_LENGTH; inputLen -= SHA512_BLOCK_LENGTH; SHA512_Compress(ctx); } /* if data left over, fill it into buffer */ if (inputLen) memcpy(B, input, inputLen); } void SHA512_End(SHA512Context *ctx, unsigned char *digest, unsigned int *digestLen, unsigned int maxDigestLen) { #if defined(HAVE_LONG_LONG) unsigned int inBuf = (unsigned int)ctx->sizeLo & 0x7f; #else unsigned int inBuf = (unsigned int)ctx->sizeLo.lo & 0x7f; #endif unsigned int padLen = (inBuf < 112) ? (112 - inBuf) : (112 + 128 - inBuf); PRUint64 lo; LL_SHL(lo, ctx->sizeLo, 3); SHA512_Update(ctx, pad, padLen); #if defined(HAVE_LONG_LONG) W[14] = 0; #else W[14].lo = 0; W[14].hi = 0; #endif W[15] = lo; #if defined(IS_LITTLE_ENDIAN) BYTESWAP8(W[15]); #endif SHA512_Compress(ctx); /* now output the answer */ #if defined(IS_LITTLE_ENDIAN) BYTESWAP8(H[0]); BYTESWAP8(H[1]); BYTESWAP8(H[2]); BYTESWAP8(H[3]); BYTESWAP8(H[4]); BYTESWAP8(H[5]); BYTESWAP8(H[6]); BYTESWAP8(H[7]); #endif padLen = PR_MIN(SHA512_LENGTH, maxDigestLen); memcpy(digest, H, padLen); if (digestLen) *digestLen = padLen; } void SHA512_EndRaw(SHA512Context *ctx, unsigned char *digest, unsigned int *digestLen, unsigned int maxDigestLen) { PRUint64 h[8]; unsigned int len; memcpy(h, ctx->h, sizeof(h)); #if defined(IS_LITTLE_ENDIAN) BYTESWAP8(h[0]); BYTESWAP8(h[1]); BYTESWAP8(h[2]); BYTESWAP8(h[3]); BYTESWAP8(h[4]); BYTESWAP8(h[5]); BYTESWAP8(h[6]); BYTESWAP8(h[7]); #endif len = PR_MIN(SHA512_LENGTH, maxDigestLen); memcpy(digest, h, len); if (digestLen) *digestLen = len; } SECStatus SHA512_HashBuf(unsigned char *dest, const unsigned char *src, PRUint32 src_length) { SHA512Context ctx; unsigned int outLen; SHA512_Begin(&ctx); SHA512_Update(&ctx, src, src_length); SHA512_End(&ctx, dest, &outLen, SHA512_LENGTH); memset(&ctx, 0, sizeof ctx); return SECSuccess; } SECStatus SHA512_Hash(unsigned char *dest, const char *src) { return SHA512_HashBuf(dest, (const unsigned char *)src, PORT_Strlen(src)); } void SHA512_TraceState(SHA512Context *ctx) { } unsigned int SHA512_FlattenSize(SHA512Context *ctx) { return sizeof *ctx; } SECStatus SHA512_Flatten(SHA512Context *ctx, unsigned char *space) { PORT_Memcpy(space, ctx, sizeof *ctx); return SECSuccess; } SHA512Context * SHA512_Resurrect(unsigned char *space, void *arg) { SHA512Context *ctx = SHA512_NewContext(); if (ctx) PORT_Memcpy(ctx, space, sizeof *ctx); return ctx; } void SHA512_Clone(SHA512Context *dest, SHA512Context *src) { memcpy(dest, src, sizeof *dest); } /* ======================================================================= */ /* SHA384 uses a SHA512Context as the real context. ** The only differences between SHA384 an SHA512 are: ** a) the intialization values for the context, and ** b) the number of bytes of data produced as output. */ /* SHA-384 initial hash values */ static const PRUint64 H384[8] = { #if PR_BYTES_PER_LONG == 8 0xcbbb9d5dc1059ed8UL, 0x629a292a367cd507UL, 0x9159015a3070dd17UL, 0x152fecd8f70e5939UL, 0x67332667ffc00b31UL, 0x8eb44a8768581511UL, 0xdb0c2e0d64f98fa7UL, 0x47b5481dbefa4fa4UL #else ULLC(cbbb9d5d, c1059ed8), ULLC(629a292a, 367cd507), ULLC(9159015a, 3070dd17), ULLC(152fecd8, f70e5939), ULLC(67332667, ffc00b31), ULLC(8eb44a87, 68581511), ULLC(db0c2e0d, 64f98fa7), ULLC(47b5481d, befa4fa4) #endif }; SHA384Context * SHA384_NewContext(void) { return SHA512_NewContext(); } void SHA384_DestroyContext(SHA384Context *ctx, PRBool freeit) { SHA512_DestroyContext(ctx, freeit); } void SHA384_Begin(SHA384Context *ctx) { memset(ctx, 0, sizeof *ctx); memcpy(H, H384, sizeof H384); } void SHA384_Update(SHA384Context *ctx, const unsigned char *input, unsigned int inputLen) { SHA512_Update(ctx, input, inputLen); } void SHA384_End(SHA384Context *ctx, unsigned char *digest, unsigned int *digestLen, unsigned int maxDigestLen) { unsigned int maxLen = SHA_MIN(maxDigestLen, SHA384_LENGTH); SHA512_End(ctx, digest, digestLen, maxLen); } void SHA384_EndRaw(SHA384Context *ctx, unsigned char *digest, unsigned int *digestLen, unsigned int maxDigestLen) { unsigned int maxLen = SHA_MIN(maxDigestLen, SHA384_LENGTH); SHA512_EndRaw(ctx, digest, digestLen, maxLen); } SECStatus SHA384_HashBuf(unsigned char *dest, const unsigned char *src, PRUint32 src_length) { SHA512Context ctx; unsigned int outLen; SHA384_Begin(&ctx); SHA512_Update(&ctx, src, src_length); SHA512_End(&ctx, dest, &outLen, SHA384_LENGTH); memset(&ctx, 0, sizeof ctx); return SECSuccess; } SECStatus SHA384_Hash(unsigned char *dest, const char *src) { return SHA384_HashBuf(dest, (const unsigned char *)src, PORT_Strlen(src)); } void SHA384_TraceState(SHA384Context *ctx) { } unsigned int SHA384_FlattenSize(SHA384Context *ctx) { return sizeof(SHA384Context); } SECStatus SHA384_Flatten(SHA384Context *ctx, unsigned char *space) { return SHA512_Flatten(ctx, space); } SHA384Context * SHA384_Resurrect(unsigned char *space, void *arg) { return SHA512_Resurrect(space, arg); } void SHA384_Clone(SHA384Context *dest, SHA384Context *src) { memcpy(dest, src, sizeof *dest); } /* ======================================================================= */ #ifdef SELFTEST #include <stdio.h> static const char abc[] = { "abc" }; static const char abcdbc[] = { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" }; static const char abcdef[] = { "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn" "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu" }; void dumpHash32(const unsigned char *buf, unsigned int bufLen) { unsigned int i; for (i = 0; i < bufLen; i += 4) { printf(" %02x%02x%02x%02x", buf[i], buf[i + 1], buf[i + 2], buf[i + 3]); } printf("\n"); } void test256(void) { unsigned char outBuf[SHA256_LENGTH]; printf("SHA256, input = %s\n", abc); SHA256_Hash(outBuf, abc); dumpHash32(outBuf, sizeof outBuf); printf("SHA256, input = %s\n", abcdbc); SHA256_Hash(outBuf, abcdbc); dumpHash32(outBuf, sizeof outBuf); } void test224(void) { SHA224Context ctx; unsigned char a1000times[1000]; unsigned int outLen; unsigned char outBuf[SHA224_LENGTH]; int i; /* Test Vector 1 */ printf("SHA224, input = %s\n", abc); SHA224_Hash(outBuf, abc); dumpHash32(outBuf, sizeof outBuf); /* Test Vector 2 */ printf("SHA224, input = %s\n", abcdbc); SHA224_Hash(outBuf, abcdbc); dumpHash32(outBuf, sizeof outBuf); /* Test Vector 3 */ /* to hash one million 'a's perform 1000 * sha224 updates on a buffer with 1000 'a's */ memset(a1000times, 'a', 1000); printf("SHA224, input = %s\n", "a one million times"); SHA224_Begin(&ctx); for (i = 0; i < 1000; i++) SHA224_Update(&ctx, a1000times, 1000); SHA224_End(&ctx, outBuf, &outLen, SHA224_LENGTH); dumpHash32(outBuf, sizeof outBuf); } void dumpHash64(const unsigned char *buf, unsigned int bufLen) { unsigned int i; for (i = 0; i < bufLen; i += 8) { if (i % 32 == 0) printf("\n"); printf(" %02x%02x%02x%02x%02x%02x%02x%02x", buf[i], buf[i + 1], buf[i + 2], buf[i + 3], buf[i + 4], buf[i + 5], buf[i + 6], buf[i + 7]); } printf("\n"); } void test512(void) { unsigned char outBuf[SHA512_LENGTH]; printf("SHA512, input = %s\n", abc); SHA512_Hash(outBuf, abc); dumpHash64(outBuf, sizeof outBuf); printf("SHA512, input = %s\n", abcdef); SHA512_Hash(outBuf, abcdef); dumpHash64(outBuf, sizeof outBuf); } void time512(void) { unsigned char outBuf[SHA512_LENGTH]; SHA512_Hash(outBuf, abc); SHA512_Hash(outBuf, abcdef); } void test384(void) { unsigned char outBuf[SHA384_LENGTH]; printf("SHA384, input = %s\n", abc); SHA384_Hash(outBuf, abc); dumpHash64(outBuf, sizeof outBuf); printf("SHA384, input = %s\n", abcdef); SHA384_Hash(outBuf, abcdef); dumpHash64(outBuf, sizeof outBuf); } int main(int argc, char *argv[], char *envp[]) { int i = 1; if (argc > 1) { i = atoi(argv[1]); } if (i < 2) { test224(); test256(); test384(); test512(); } else { while (i-- > 0) { time512(); } printf("done\n"); } return 0; } void * PORT_Alloc(size_t len) { return malloc(len); } void PORT_Free(void *ptr) { free(ptr); } void PORT_ZFree(void *ptr, size_t len) { memset(ptr, 0, len); free(ptr); } #endif