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-rw-r--r--libcurl/src/lib/md5.c560
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diff --git a/libcurl/src/lib/md5.c b/libcurl/src/lib/md5.c
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-/***************************************************************************
- * _ _ ____ _
- * Project ___| | | | _ \| |
- * / __| | | | |_) | |
- * | (__| |_| | _ <| |___
- * \___|\___/|_| \_\_____|
- *
- * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
- *
- * This software is licensed as described in the file COPYING, which
- * you should have received as part of this distribution. The terms
- * are also available at http://curl.haxx.se/docs/copyright.html.
- *
- * You may opt to use, copy, modify, merge, publish, distribute and/or sell
- * copies of the Software, and permit persons to whom the Software is
- * furnished to do so, under the terms of the COPYING file.
- *
- * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
- * KIND, either express or implied.
- *
- ***************************************************************************/
-
-#include "curl_setup.h"
-
-#ifndef CURL_DISABLE_CRYPTO_AUTH
-
-#include "curl_md5.h"
-#include "curl_hmac.h"
-#include "warnless.h"
-
-#if defined(USE_GNUTLS_NETTLE)
-
-#include <nettle/md5.h>
-#include "curl_memory.h"
-/* The last #include file should be: */
-#include "memdebug.h"
-
-typedef struct md5_ctx MD5_CTX;
-
-static void MD5_Init(MD5_CTX * ctx)
-{
- md5_init(ctx);
-}
-
-static void MD5_Update(MD5_CTX * ctx,
- const unsigned char * input,
- unsigned int inputLen)
-{
- md5_update(ctx, inputLen, input);
-}
-
-static void MD5_Final(unsigned char digest[16], MD5_CTX * ctx)
-{
- md5_digest(ctx, 16, digest);
-}
-
-#elif defined(USE_GNUTLS)
-
-#include <gcrypt.h>
-#include "curl_memory.h"
-/* The last #include file should be: */
-#include "memdebug.h"
-
-typedef gcry_md_hd_t MD5_CTX;
-
-static void MD5_Init(MD5_CTX * ctx)
-{
- gcry_md_open(ctx, GCRY_MD_MD5, 0);
-}
-
-static void MD5_Update(MD5_CTX * ctx,
- const unsigned char * input,
- unsigned int inputLen)
-{
- gcry_md_write(*ctx, input, inputLen);
-}
-
-static void MD5_Final(unsigned char digest[16], MD5_CTX * ctx)
-{
- memcpy(digest, gcry_md_read(*ctx, 0), 16);
- gcry_md_close(*ctx);
-}
-
-#elif defined(USE_OPENSSL)
-/* When OpenSSL is available we use the MD5-function from OpenSSL */
-#include <openssl/md5.h>
-#include "curl_memory.h"
-/* The last #include file should be: */
-#include "memdebug.h"
-
-#elif (defined(__MAC_OS_X_VERSION_MAX_ALLOWED) && \
- (__MAC_OS_X_VERSION_MAX_ALLOWED >= 1040)) || \
- (defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && \
- (__IPHONE_OS_VERSION_MAX_ALLOWED >= 20000))
-
-/* For Apple operating systems: CommonCrypto has the functions we need.
- These functions are available on Tiger and later, as well as iOS 2.0
- and later. If you're building for an older cat, well, sorry.
-
- Declaring the functions as static like this seems to be a bit more
- reliable than defining COMMON_DIGEST_FOR_OPENSSL on older cats. */
-# include <CommonCrypto/CommonDigest.h>
-# define MD5_CTX CC_MD5_CTX
-#include "curl_memory.h"
-/* The last #include file should be: */
-#include "memdebug.h"
-
-static void MD5_Init(MD5_CTX *ctx)
-{
- CC_MD5_Init(ctx);
-}
-
-static void MD5_Update(MD5_CTX *ctx,
- const unsigned char *input,
- unsigned int inputLen)
-{
- CC_MD5_Update(ctx, input, inputLen);
-}
-
-static void MD5_Final(unsigned char digest[16], MD5_CTX *ctx)
-{
- CC_MD5_Final(digest, ctx);
-}
-
-#elif defined(_WIN32)
-
-#include <wincrypt.h>
-#include "curl_memory.h"
-/* The last #include file should be: */
-#include "memdebug.h"
-
-typedef struct {
- HCRYPTPROV hCryptProv;
- HCRYPTHASH hHash;
-} MD5_CTX;
-
-static void MD5_Init(MD5_CTX *ctx)
-{
- if(CryptAcquireContext(&ctx->hCryptProv, NULL, NULL,
- PROV_RSA_FULL, CRYPT_VERIFYCONTEXT)) {
- CryptCreateHash(ctx->hCryptProv, CALG_MD5, 0, 0, &ctx->hHash);
- }
-}
-
-static void MD5_Update(MD5_CTX *ctx,
- const unsigned char *input,
- unsigned int inputLen)
-{
- CryptHashData(ctx->hHash, (unsigned char *)input, inputLen, 0);
-}
-
-static void MD5_Final(unsigned char digest[16], MD5_CTX *ctx)
-{
- unsigned long length = 0;
- CryptGetHashParam(ctx->hHash, HP_HASHVAL, NULL, &length, 0);
- if(length == 16)
- CryptGetHashParam(ctx->hHash, HP_HASHVAL, digest, &length, 0);
- if(ctx->hHash)
- CryptDestroyHash(ctx->hHash);
- if(ctx->hCryptProv)
- CryptReleaseContext(ctx->hCryptProv, 0);
-}
-
-#elif defined(USE_AXTLS)
-#include <axTLS/config.h>
-#include <axTLS/os_int.h>
-#include <axTLS/crypto.h>
-#include "curl_memory.h"
-/* The last #include file should be: */
-#include "memdebug.h"
-#else
-/* When no other crypto library is available we use this code segment */
-/*
- * This is an OpenSSL-compatible implementation of the RSA Data Security, Inc.
- * MD5 Message-Digest Algorithm (RFC 1321).
- *
- * Homepage:
- http://openwall.info/wiki/people/solar/software/public-domain-source-code/md5
- *
- * 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:
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted.
- *
- * There's ABSOLUTELY NO WARRANTY, express or implied.
- *
- * (This is a heavily cut-down "BSD license".)
- *
- * This differs from Colin Plumb's older public domain implementation in that
- * no exactly 32-bit integer data type is required (any 32-bit or wider
- * unsigned integer data type will do), there's no compile-time endianness
- * configuration, and the function prototypes match OpenSSL's. No code from
- * Colin Plumb's implementation has been reused; this comment merely compares
- * the properties of the two independent implementations.
- *
- * The primary goals of this implementation are portability and ease of use.
- * It is meant to be fast, but not as fast as possible. Some known
- * optimizations are not included to reduce source code size and avoid
- * compile-time configuration.
- */
-
-#include <string.h>
-
-/* The last #include files should be: */
-#include "curl_memory.h"
-#include "memdebug.h"
-
-/* Any 32-bit or wider unsigned integer data type will do */
-typedef unsigned int MD5_u32plus;
-
-typedef struct {
- MD5_u32plus lo, hi;
- MD5_u32plus a, b, c, d;
- unsigned char buffer[64];
- MD5_u32plus block[16];
-} MD5_CTX;
-
-static void MD5_Init(MD5_CTX *ctx);
-static void MD5_Update(MD5_CTX *ctx, const void *data, unsigned long size);
-static void MD5_Final(unsigned char *result, MD5_CTX *ctx);
-
-/*
- * The basic MD5 functions.
- *
- * F and G are optimized compared to their RFC 1321 definitions for
- * architectures that lack an AND-NOT instruction, just like in Colin Plumb's
- * implementation.
- */
-#define F(x, y, z) ((z) ^ ((x) & ((y) ^ (z))))
-#define G(x, y, z) ((y) ^ ((z) & ((x) ^ (y))))
-#define H(x, y, z) (((x) ^ (y)) ^ (z))
-#define H2(x, y, z) ((x) ^ ((y) ^ (z)))
-#define I(x, y, z) ((y) ^ ((x) | ~(z)))
-
-/*
- * The MD5 transformation for all four rounds.
- */
-#define STEP(f, a, b, c, d, x, t, s) \
- (a) += f((b), (c), (d)) + (x) + (t); \
- (a) = (((a) << (s)) | (((a) & 0xffffffff) >> (32 - (s)))); \
- (a) += (b);
-
-/*
- * SET reads 4 input bytes in little-endian byte order and stores them
- * in a properly aligned word in host byte order.
- *
- * The check for little-endian architectures that tolerate unaligned
- * memory accesses is just an optimization. Nothing will break if it
- * doesn't work.
- */
-#if defined(__i386__) || defined(__x86_64__) || defined(__vax__)
-#define SET(n) \
- (*(MD5_u32plus *)&ptr[(n) * 4])
-#define GET(n) \
- SET(n)
-#else
-#define SET(n) \
- (ctx->block[(n)] = \
- (MD5_u32plus)ptr[(n) * 4] | \
- ((MD5_u32plus)ptr[(n) * 4 + 1] << 8) | \
- ((MD5_u32plus)ptr[(n) * 4 + 2] << 16) | \
- ((MD5_u32plus)ptr[(n) * 4 + 3] << 24))
-#define GET(n) \
- (ctx->block[(n)])
-#endif
-
-/*
- * This processes one or more 64-byte data blocks, but does NOT update
- * the bit counters. There are no alignment requirements.
- */
-static const void *body(MD5_CTX *ctx, const void *data, unsigned long size)
-{
- const unsigned char *ptr;
- MD5_u32plus a, b, c, d;
- MD5_u32plus saved_a, saved_b, saved_c, saved_d;
-
- ptr = (const unsigned char *)data;
-
- a = ctx->a;
- b = ctx->b;
- c = ctx->c;
- d = ctx->d;
-
- do {
- saved_a = a;
- saved_b = b;
- saved_c = c;
- saved_d = d;
-
-/* Round 1 */
- STEP(F, a, b, c, d, SET(0), 0xd76aa478, 7)
- STEP(F, d, a, b, c, SET(1), 0xe8c7b756, 12)
- STEP(F, c, d, a, b, SET(2), 0x242070db, 17)
- STEP(F, b, c, d, a, SET(3), 0xc1bdceee, 22)
- STEP(F, a, b, c, d, SET(4), 0xf57c0faf, 7)
- STEP(F, d, a, b, c, SET(5), 0x4787c62a, 12)
- STEP(F, c, d, a, b, SET(6), 0xa8304613, 17)
- STEP(F, b, c, d, a, SET(7), 0xfd469501, 22)
- STEP(F, a, b, c, d, SET(8), 0x698098d8, 7)
- STEP(F, d, a, b, c, SET(9), 0x8b44f7af, 12)
- STEP(F, c, d, a, b, SET(10), 0xffff5bb1, 17)
- STEP(F, b, c, d, a, SET(11), 0x895cd7be, 22)
- STEP(F, a, b, c, d, SET(12), 0x6b901122, 7)
- STEP(F, d, a, b, c, SET(13), 0xfd987193, 12)
- STEP(F, c, d, a, b, SET(14), 0xa679438e, 17)
- STEP(F, b, c, d, a, SET(15), 0x49b40821, 22)
-
-/* Round 2 */
- STEP(G, a, b, c, d, GET(1), 0xf61e2562, 5)
- STEP(G, d, a, b, c, GET(6), 0xc040b340, 9)
- STEP(G, c, d, a, b, GET(11), 0x265e5a51, 14)
- STEP(G, b, c, d, a, GET(0), 0xe9b6c7aa, 20)
- STEP(G, a, b, c, d, GET(5), 0xd62f105d, 5)
- STEP(G, d, a, b, c, GET(10), 0x02441453, 9)
- STEP(G, c, d, a, b, GET(15), 0xd8a1e681, 14)
- STEP(G, b, c, d, a, GET(4), 0xe7d3fbc8, 20)
- STEP(G, a, b, c, d, GET(9), 0x21e1cde6, 5)
- STEP(G, d, a, b, c, GET(14), 0xc33707d6, 9)
- STEP(G, c, d, a, b, GET(3), 0xf4d50d87, 14)
- STEP(G, b, c, d, a, GET(8), 0x455a14ed, 20)
- STEP(G, a, b, c, d, GET(13), 0xa9e3e905, 5)
- STEP(G, d, a, b, c, GET(2), 0xfcefa3f8, 9)
- STEP(G, c, d, a, b, GET(7), 0x676f02d9, 14)
- STEP(G, b, c, d, a, GET(12), 0x8d2a4c8a, 20)
-
-/* Round 3 */
- STEP(H, a, b, c, d, GET(5), 0xfffa3942, 4)
- STEP(H2, d, a, b, c, GET(8), 0x8771f681, 11)
- STEP(H, c, d, a, b, GET(11), 0x6d9d6122, 16)
- STEP(H2, b, c, d, a, GET(14), 0xfde5380c, 23)
- STEP(H, a, b, c, d, GET(1), 0xa4beea44, 4)
- STEP(H2, d, a, b, c, GET(4), 0x4bdecfa9, 11)
- STEP(H, c, d, a, b, GET(7), 0xf6bb4b60, 16)
- STEP(H2, b, c, d, a, GET(10), 0xbebfbc70, 23)
- STEP(H, a, b, c, d, GET(13), 0x289b7ec6, 4)
- STEP(H2, d, a, b, c, GET(0), 0xeaa127fa, 11)
- STEP(H, c, d, a, b, GET(3), 0xd4ef3085, 16)
- STEP(H2, b, c, d, a, GET(6), 0x04881d05, 23)
- STEP(H, a, b, c, d, GET(9), 0xd9d4d039, 4)
- STEP(H2, d, a, b, c, GET(12), 0xe6db99e5, 11)
- STEP(H, c, d, a, b, GET(15), 0x1fa27cf8, 16)
- STEP(H2, b, c, d, a, GET(2), 0xc4ac5665, 23)
-
-/* Round 4 */
- STEP(I, a, b, c, d, GET(0), 0xf4292244, 6)
- STEP(I, d, a, b, c, GET(7), 0x432aff97, 10)
- STEP(I, c, d, a, b, GET(14), 0xab9423a7, 15)
- STEP(I, b, c, d, a, GET(5), 0xfc93a039, 21)
- STEP(I, a, b, c, d, GET(12), 0x655b59c3, 6)
- STEP(I, d, a, b, c, GET(3), 0x8f0ccc92, 10)
- STEP(I, c, d, a, b, GET(10), 0xffeff47d, 15)
- STEP(I, b, c, d, a, GET(1), 0x85845dd1, 21)
- STEP(I, a, b, c, d, GET(8), 0x6fa87e4f, 6)
- STEP(I, d, a, b, c, GET(15), 0xfe2ce6e0, 10)
- STEP(I, c, d, a, b, GET(6), 0xa3014314, 15)
- STEP(I, b, c, d, a, GET(13), 0x4e0811a1, 21)
- STEP(I, a, b, c, d, GET(4), 0xf7537e82, 6)
- STEP(I, d, a, b, c, GET(11), 0xbd3af235, 10)
- STEP(I, c, d, a, b, GET(2), 0x2ad7d2bb, 15)
- STEP(I, b, c, d, a, GET(9), 0xeb86d391, 21)
-
- a += saved_a;
- b += saved_b;
- c += saved_c;
- d += saved_d;
-
- ptr += 64;
- } while(size -= 64);
-
- ctx->a = a;
- ctx->b = b;
- ctx->c = c;
- ctx->d = d;
-
- return ptr;
-}
-
-static void MD5_Init(MD5_CTX *ctx)
-{
- ctx->a = 0x67452301;
- ctx->b = 0xefcdab89;
- ctx->c = 0x98badcfe;
- ctx->d = 0x10325476;
-
- ctx->lo = 0;
- ctx->hi = 0;
-}
-
-static void MD5_Update(MD5_CTX *ctx, const void *data, unsigned long size)
-{
- MD5_u32plus saved_lo;
- unsigned long used, available;
-
- saved_lo = ctx->lo;
- if((ctx->lo = (saved_lo + size) & 0x1fffffff) < saved_lo)
- ctx->hi++;
- ctx->hi += (MD5_u32plus)size >> 29;
-
- used = saved_lo & 0x3f;
-
- if(used) {
- available = 64 - used;
-
- if(size < available) {
- memcpy(&ctx->buffer[used], data, size);
- return;
- }
-
- memcpy(&ctx->buffer[used], data, available);
- data = (const unsigned char *)data + available;
- size -= available;
- body(ctx, ctx->buffer, 64);
- }
-
- if(size >= 64) {
- data = body(ctx, data, size & ~(unsigned long)0x3f);
- size &= 0x3f;
- }
-
- memcpy(ctx->buffer, data, size);
-}
-
-static void MD5_Final(unsigned char *result, MD5_CTX *ctx)
-{
- unsigned long used, available;
-
- used = ctx->lo & 0x3f;
-
- ctx->buffer[used++] = 0x80;
-
- available = 64 - used;
-
- if(available < 8) {
- memset(&ctx->buffer[used], 0, available);
- body(ctx, ctx->buffer, 64);
- used = 0;
- available = 64;
- }
-
- memset(&ctx->buffer[used], 0, available - 8);
-
- ctx->lo <<= 3;
- 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);
- 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] = 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));
-}
-
-#endif /* CRYPTO LIBS */
-
-const HMAC_params Curl_HMAC_MD5[] = {
- {
- (HMAC_hinit_func) MD5_Init, /* Hash initialization function. */
- (HMAC_hupdate_func) MD5_Update, /* Hash update function. */
- (HMAC_hfinal_func) MD5_Final, /* Hash computation end function. */
- sizeof(MD5_CTX), /* Size of hash context structure. */
- 64, /* Maximum key length. */
- 16 /* Result size. */
- }
-};
-
-const MD5_params Curl_DIGEST_MD5[] = {
- {
- (Curl_MD5_init_func) MD5_Init, /* Digest initialization function */
- (Curl_MD5_update_func) MD5_Update, /* Digest update function */
- (Curl_MD5_final_func) MD5_Final, /* Digest computation end function */
- sizeof(MD5_CTX), /* Size of digest context struct */
- 16 /* Result size */
- }
-};
-
-/*
- * @unittest: 1601
- */
-CURL_STATIC void Curl_md5it(unsigned char *outbuffer, /* 16 bytes */
- const unsigned char *input)
-{
- MD5_CTX ctx;
- MD5_Init(&ctx);
- MD5_Update(&ctx, input, curlx_uztoui(strlen((char *)input)));
- MD5_Final(outbuffer, &ctx);
-}
-
-CURL_STATIC MD5_context *Curl_MD5_init(const MD5_params *md5params)
-{
- MD5_context *ctxt;
-
- /* Create MD5 context */
- ctxt = malloc(sizeof *ctxt);
-
- if(!ctxt)
- return ctxt;
-
- ctxt->md5_hashctx = malloc(md5params->md5_ctxtsize);
-
- if(!ctxt->md5_hashctx) {
- free(ctxt);
- return NULL;
- }
-
- ctxt->md5_hash = md5params;
-
- (*md5params->md5_init_func)(ctxt->md5_hashctx);
-
- return ctxt;
-}
-
-CURL_STATIC int Curl_MD5_update(MD5_context *context,
- const unsigned char *data,
- unsigned int len)
-{
- (*context->md5_hash->md5_update_func)(context->md5_hashctx, data, len);
-
- return 0;
-}
-
-CURL_STATIC int Curl_MD5_final(MD5_context *context, unsigned char *result)
-{
- (*context->md5_hash->md5_final_func)(result, context->md5_hashctx);
-
- free(context->md5_hashctx);
- free(context);
-
- return 0;
-}
-
-#endif /* CURL_DISABLE_CRYPTO_AUTH */