#include "curl_setup.h"
#ifndef CURL_DISABLE_CRYPTO_AUTH
#include <curl/curl.h>
#include "curl_md5.h"
#include "curl_hmac.h"
#include "warnless.h"
#if defined(USE_GNUTLS_NETTLE)
#include <nettle/md5.h>
#include "curl_memory.h"
#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"
#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) && !defined(USE_AMISSL)
#include <openssl/md5.h>
#include "curl_memory.h"
#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))
# include <CommonCrypto/CommonDigest.h>
# define MD5_CTX CC_MD5_CTX
#include "curl_memory.h"
#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) && !defined(CURL_WINDOWS_APP)
#include <wincrypt.h>
#include "curl_memory.h"
#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);
}
#else
#include <string.h>
#include "curl_memory.h"
#include "memdebug.h"
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);
#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)))
#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);
#if defined(__i386__) || defined(__x86_64__) || defined(__vax__)
#define SET(n) \
(*(MD5_u32plus *)(void *)&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
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;
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)
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)
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)
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;
ctx->lo = (saved_lo + size) & 0x1fffffff;
if(ctx->lo < 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
const HMAC_params Curl_HMAC_MD5[] = {
{
CURLX_FUNCTION_CAST(HMAC_hinit_func, MD5_Init),
CURLX_FUNCTION_CAST(HMAC_hupdate_func, MD5_Update),
CURLX_FUNCTION_CAST(HMAC_hfinal_func, MD5_Final),
sizeof(MD5_CTX),
64,
16
}
};
const MD5_params Curl_DIGEST_MD5[] = {
{
CURLX_FUNCTION_CAST(Curl_MD5_init_func, MD5_Init),
CURLX_FUNCTION_CAST(Curl_MD5_update_func, MD5_Update),
CURLX_FUNCTION_CAST(Curl_MD5_final_func, MD5_Final),
sizeof(MD5_CTX),
16
}
};
void Curl_md5it(unsigned char *outbuffer,
const unsigned char *input)
{
MD5_CTX ctx;
MD5_Init(&ctx);
MD5_Update(&ctx, input, curlx_uztoui(strlen((char *)input)));
MD5_Final(outbuffer, &ctx);
}
MD5_context *Curl_MD5_init(const MD5_params *md5params)
{
MD5_context *ctxt;
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;
}
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;
}
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