diff options
| -rw-r--r-- | lib/md4.c | 106 |
1 files changed, 53 insertions, 53 deletions
@@ -3,17 +3,17 @@ * MD4 Message-Digest Algorithm (RFC 1320). * * Homepage: - * http://openwall.info/wiki/people/solar/software/public-domain-source-code/md4 + http://openwall.info/wiki/people/solar/software/public-domain-source-code/md4 * * Author: * Alexander Peslyak, better known as Solar Designer <solar at openwall.com> * * This software was written by Alexander Peslyak in 2001. No copyright is - * claimed, and the software is hereby placed in the public domain. - * In case this attempt to disclaim copyright and place the software in the - * public domain is deemed null and void, then the software is - * Copyright (c) 2001 Alexander Peslyak and it is hereby released to the - * general public under the following terms: + * claimed, and the software is hereby placed in the public domain. In case + * this attempt to disclaim copyright and place the software in the public + * domain is deemed null and void, then the software is Copyright (c) 2001 + * Alexander Peslyak and it is hereby released to the general public under the + * following terms: * * Redistribution and use in source and binary forms, with or without * modification, are permitted. @@ -68,16 +68,16 @@ extern void MD4_Final(unsigned char *result, MD4_CTX *ctx); * F and G are optimized compared to their RFC 1320 definitions, with the * optimization for F borrowed from Colin Plumb's MD5 implementation. */ -#define F(x, y, z) ((z) ^ ((x) & ((y) ^ (z)))) -#define G(x, y, z) (((x) & ((y) | (z))) | ((y) & (z))) -#define H(x, y, z) ((x) ^ (y) ^ (z)) +#define F(x, y, z) ((z) ^ ((x) & ((y) ^ (z)))) +#define G(x, y, z) (((x) & ((y) | (z))) | ((y) & (z))) +#define H(x, y, z) ((x) ^ (y) ^ (z)) /* * The MD4 transformation for all three rounds. */ #define STEP(f, a, b, c, d, x, s) \ - (a) += f((b), (c), (d)) + (x); \ - (a) = (((a) << (s)) | (((a) & 0xffffffff) >> (32 - (s)))); + (a) += f((b), (c), (d)) + (x); \ + (a) = (((a) << (s)) | (((a) & 0xffffffff) >> (32 - (s)))); /* * SET reads 4 input bytes in little-endian byte order and stores them @@ -89,18 +89,18 @@ extern void MD4_Final(unsigned char *result, MD4_CTX *ctx); */ #if defined(__i386__) || defined(__x86_64__) || defined(__vax__) #define SET(n) \ - (*(MD4_u32plus *)&ptr[(n) * 4]) + (*(MD4_u32plus *)&ptr[(n) * 4]) #define GET(n) \ - SET(n) + SET(n) #else #define SET(n) \ - (ctx->block[(n)] = \ - (MD4_u32plus)ptr[(n) * 4] | \ - ((MD4_u32plus)ptr[(n) * 4 + 1] << 8) | \ - ((MD4_u32plus)ptr[(n) * 4 + 2] << 16) | \ - ((MD4_u32plus)ptr[(n) * 4 + 3] << 24)) + (ctx->block[(n)] = \ + (MD4_u32plus)ptr[(n) * 4] | \ + ((MD4_u32plus)ptr[(n) * 4 + 1] << 8) | \ + ((MD4_u32plus)ptr[(n) * 4 + 2] << 16) | \ + ((MD4_u32plus)ptr[(n) * 4 + 3] << 24)) #define GET(n) \ - (ctx->block[(n)]) + (ctx->block[(n)]) #endif /* @@ -186,7 +186,7 @@ static const void *body(MD4_CTX *ctx, const void *data, unsigned long size) d += saved_d; ptr += 64; - } while (size -= 64); + } while(size -= 64); ctx->a = a; ctx->b = b; @@ -213,16 +213,16 @@ void MD4_Update(MD4_CTX *ctx, const void *data, unsigned long size) unsigned long used, available; saved_lo = ctx->lo; - if ((ctx->lo = (saved_lo + size) & 0x1fffffff) < saved_lo) + if((ctx->lo = (saved_lo + size) & 0x1fffffff) < saved_lo) ctx->hi++; - ctx->hi += size >> 29; + ctx->hi += (MD4_u32plus)size >> 29; used = saved_lo & 0x3f; - if (used) { + if(used) { available = 64 - used; - if (size < available) { + if(size < available) { memcpy(&ctx->buffer[used], data, size); return; } @@ -233,7 +233,7 @@ void MD4_Update(MD4_CTX *ctx, const void *data, unsigned long size) body(ctx, ctx->buffer, 64); } - if (size >= 64) { + if(size >= 64) { data = body(ctx, data, size & ~(unsigned long)0x3f); size &= 0x3f; } @@ -251,7 +251,7 @@ void MD4_Final(unsigned char *result, MD4_CTX *ctx) available = 64 - used; - if (available < 8) { + if(available < 8) { memset(&ctx->buffer[used], 0, available); body(ctx, ctx->buffer, 64); used = 0; @@ -261,33 +261,33 @@ void MD4_Final(unsigned char *result, MD4_CTX *ctx) memset(&ctx->buffer[used], 0, available - 8); ctx->lo <<= 3; - ctx->buffer[56] = ctx->lo; - ctx->buffer[57] = ctx->lo >> 8; - ctx->buffer[58] = ctx->lo >> 16; - ctx->buffer[59] = ctx->lo >> 24; - ctx->buffer[60] = ctx->hi; - ctx->buffer[61] = ctx->hi >> 8; - ctx->buffer[62] = ctx->hi >> 16; - ctx->buffer[63] = ctx->hi >> 24; + ctx->buffer[56] = curlx_ultouc((ctx->lo)&0xff); + ctx->buffer[57] = curlx_ultouc((ctx->lo >> 8)&0xff); + ctx->buffer[58] = curlx_ultouc((ctx->lo >> 16)&0xff); + ctx->buffer[59] = curlx_ultouc((ctx->lo >> 24)&0xff); + ctx->buffer[60] = curlx_ultouc((ctx->hi)&0xff); + ctx->buffer[61] = curlx_ultouc((ctx->hi >> 8)&0xff); + ctx->buffer[62] = curlx_ultouc((ctx->hi >> 16)&0xff); + ctx->buffer[63] = curlx_ultouc(ctx->hi >> 24); body(ctx, ctx->buffer, 64); - result[0] = ctx->a; - result[1] = ctx->a >> 8; - result[2] = ctx->a >> 16; - result[3] = ctx->a >> 24; - result[4] = ctx->b; - result[5] = ctx->b >> 8; - result[6] = ctx->b >> 16; - result[7] = ctx->b >> 24; - result[8] = ctx->c; - result[9] = ctx->c >> 8; - result[10] = ctx->c >> 16; - result[11] = ctx->c >> 24; - result[12] = ctx->d; - result[13] = ctx->d >> 8; - result[14] = ctx->d >> 16; - result[15] = ctx->d >> 24; + result[0] = curlx_ultouc((ctx->a)&0xff); + result[1] = curlx_ultouc((ctx->a >> 8)&0xff); + result[2] = curlx_ultouc((ctx->a >> 16)&0xff); + result[3] = curlx_ultouc(ctx->a >> 24); + result[4] = curlx_ultouc((ctx->b)&0xff); + result[5] = curlx_ultouc((ctx->b >> 8)&0xff); + result[6] = curlx_ultouc((ctx->b >> 16)&0xff); + result[7] = curlx_ultouc(ctx->b >> 24); + result[8] = curlx_ultouc((ctx->c)&0xff); + result[9] = curlx_ultouc((ctx->c >> 8)&0xff); + result[10] = curlx_ultouc((ctx->c >> 16)&0xff); + result[11] = curlx_ultouc(ctx->c >> 24); + result[12] = curlx_ultouc((ctx->d)&0xff); + result[13] = curlx_ultouc((ctx->d >> 8)&0xff); + result[14] = curlx_ultouc((ctx->d >> 16)&0xff); + result[15] = curlx_ultouc(ctx->d >> 24); memset(ctx, 0, sizeof(*ctx)); } @@ -297,8 +297,8 @@ void MD4_Final(unsigned char *result, MD4_CTX *ctx) void Curl_md4it(unsigned char *output, const unsigned char *input, size_t len) { MD4_CTX ctx; - MD4Init(&ctx); - MD4Update(&ctx, input, curlx_uztoui(len)); - MD4Final(output, &ctx); + MD4_Init(&ctx); + MD4_Update(&ctx, input, curlx_uztoui(len)); + MD4_Final(output, &ctx); } #endif /* defined(USE_NSS) || defined(USE_OS400CRYPTO) */ |