diff options
Diffstat (limited to 'external/libcurl_android/jni/libcurl/lib/md5.c')
| -rwxr-xr-x | external/libcurl_android/jni/libcurl/lib/md5.c | 541 |
1 files changed, 541 insertions, 0 deletions
diff --git a/external/libcurl_android/jni/libcurl/lib/md5.c b/external/libcurl_android/jni/libcurl/lib/md5.c new file mode 100755 index 00000000..af39fd41 --- /dev/null +++ b/external/libcurl_android/jni/libcurl/lib/md5.c @@ -0,0 +1,541 @@ +/*************************************************************************** + * _ _ ____ _ + * Project ___| | | | _ \| | + * / __| | | | |_) | | + * | (__| |_| | _ <| |___ + * \___|\___/|_| \_\_____| + * + * Copyright (C) 1998 - 2012, 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" + +#include "curl_memory.h" + +#if defined(USE_GNUTLS_NETTLE) + +#include <nettle/md5.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> +/* 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_SSLEAY) +/* When OpenSSL is available we use the MD5-function from OpenSSL */ + +# ifdef USE_OPENSSL +# include <openssl/md5.h> +# else +# include <md5.h> +# endif + +#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 + +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> + +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 +/* When no other crypto library is available we use this code segment */ + +/* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All +rights reserved. + +License to copy and use this software is granted provided that it +is identified as the "RSA Data Security, Inc. MD5 Message-Digest +Algorithm" in all material mentioning or referencing this software +or this function. + +License is also granted to make and use derivative works provided +that such works are identified as "derived from the RSA Data +Security, Inc. MD5 Message-Digest Algorithm" in all material +mentioning or referencing the derived work. + +RSA Data Security, Inc. makes no representations concerning either +the merchantability of this software or the suitability of this +software for any particular purpose. It is provided "as is" +without express or implied warranty of any kind. + +These notices must be retained in any copies of any part of this +documentation and/or software. + */ + +/* UINT4 defines a four byte word */ +typedef unsigned int UINT4; + +/* MD5 context. */ +struct md5_ctx { + UINT4 state[4]; /* state (ABCD) */ + UINT4 count[2]; /* number of bits, modulo 2^64 (lsb first) */ + unsigned char buffer[64]; /* input buffer */ +}; + +typedef struct md5_ctx MD5_CTX; + +static void MD5_Init(struct md5_ctx *); +static void MD5_Update(struct md5_ctx *, const unsigned char *, unsigned int); +static void MD5_Final(unsigned char [16], struct md5_ctx *); + +/* Constants for MD5Transform routine. + */ + +#define S11 7 +#define S12 12 +#define S13 17 +#define S14 22 +#define S21 5 +#define S22 9 +#define S23 14 +#define S24 20 +#define S31 4 +#define S32 11 +#define S33 16 +#define S34 23 +#define S41 6 +#define S42 10 +#define S43 15 +#define S44 21 + +static void MD5Transform(UINT4 [4], const unsigned char [64]); +static void Encode(unsigned char *, UINT4 *, unsigned int); +static void Decode(UINT4 *, const unsigned char *, unsigned int); + +static const unsigned char PADDING[64] = { + 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 +}; + +/* F, G, H and I are basic MD5 functions. + */ +#define F(x, y, z) (((x) & (y)) | ((~x) & (z))) +#define G(x, y, z) (((x) & (z)) | ((y) & (~z))) +#define H(x, y, z) ((x) ^ (y) ^ (z)) +#define I(x, y, z) ((y) ^ ((x) | (~z))) + +/* ROTATE_LEFT rotates x left n bits. + */ +#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n)))) + +/* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4. +Rotation is separate from addition to prevent recomputation. + */ +#define FF(a, b, c, d, x, s, ac) { \ + (a) += F ((b), (c), (d)) + (x) + (UINT4)(ac); \ + (a) = ROTATE_LEFT ((a), (s)); \ + (a) += (b); \ + } +#define GG(a, b, c, d, x, s, ac) { \ + (a) += G ((b), (c), (d)) + (x) + (UINT4)(ac); \ + (a) = ROTATE_LEFT ((a), (s)); \ + (a) += (b); \ + } +#define HH(a, b, c, d, x, s, ac) { \ + (a) += H ((b), (c), (d)) + (x) + (UINT4)(ac); \ + (a) = ROTATE_LEFT ((a), (s)); \ + (a) += (b); \ + } +#define II(a, b, c, d, x, s, ac) { \ + (a) += I ((b), (c), (d)) + (x) + (UINT4)(ac); \ + (a) = ROTATE_LEFT ((a), (s)); \ + (a) += (b); \ + } + +/* MD5 initialization. Begins an MD5 operation, writing a new context. + */ +static void MD5_Init(struct md5_ctx *context) +{ + context->count[0] = context->count[1] = 0; + /* Load magic initialization constants. */ + context->state[0] = 0x67452301; + context->state[1] = 0xefcdab89; + context->state[2] = 0x98badcfe; + context->state[3] = 0x10325476; +} + +/* MD5 block update operation. Continues an MD5 message-digest + operation, processing another message block, and updating the + context. + */ +static void MD5_Update (struct md5_ctx *context, /* context */ + const unsigned char *input, /* input block */ + unsigned int inputLen) /* length of input block */ +{ + unsigned int i, bufindex, partLen; + + /* Compute number of bytes mod 64 */ + bufindex = (unsigned int)((context->count[0] >> 3) & 0x3F); + + /* Update number of bits */ + if((context->count[0] += ((UINT4)inputLen << 3)) + < ((UINT4)inputLen << 3)) + context->count[1]++; + context->count[1] += ((UINT4)inputLen >> 29); + + partLen = 64 - bufindex; + + /* Transform as many times as possible. */ + if(inputLen >= partLen) { + memcpy(&context->buffer[bufindex], input, partLen); + MD5Transform(context->state, context->buffer); + + for(i = partLen; i + 63 < inputLen; i += 64) + MD5Transform(context->state, &input[i]); + + bufindex = 0; + } + else + i = 0; + + /* Buffer remaining input */ + memcpy(&context->buffer[bufindex], &input[i], inputLen-i); +} + +/* MD5 finalization. Ends an MD5 message-digest operation, writing the + the message digest and zeroizing the context. +*/ +static void MD5_Final(unsigned char digest[16], /* message digest */ + struct md5_ctx *context) /* context */ +{ + unsigned char bits[8]; + unsigned int count, padLen; + + /* Save number of bits */ + Encode (bits, context->count, 8); + + /* Pad out to 56 mod 64. */ + count = (unsigned int)((context->count[0] >> 3) & 0x3f); + padLen = (count < 56) ? (56 - count) : (120 - count); + MD5_Update (context, PADDING, padLen); + + /* Append length (before padding) */ + MD5_Update (context, bits, 8); + + /* Store state in digest */ + Encode (digest, context->state, 16); + + /* Zeroize sensitive information. */ + memset ((void *)context, 0, sizeof (*context)); +} + +/* MD5 basic transformation. Transforms state based on block. */ +static void MD5Transform(UINT4 state[4], + const unsigned char block[64]) +{ + UINT4 a = state[0], b = state[1], c = state[2], d = state[3], x[16]; + + Decode (x, block, 64); + + /* Round 1 */ + FF (a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */ + FF (d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */ + FF (c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */ + FF (b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */ + FF (a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */ + FF (d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */ + FF (c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */ + FF (b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */ + FF (a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */ + FF (d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */ + FF (c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */ + FF (b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */ + FF (a, b, c, d, x[12], S11, 0x6b901122); /* 13 */ + FF (d, a, b, c, x[13], S12, 0xfd987193); /* 14 */ + FF (c, d, a, b, x[14], S13, 0xa679438e); /* 15 */ + FF (b, c, d, a, x[15], S14, 0x49b40821); /* 16 */ + + /* Round 2 */ + GG (a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */ + GG (d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */ + GG (c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */ + GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */ + GG (a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */ + GG (d, a, b, c, x[10], S22, 0x2441453); /* 22 */ + GG (c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */ + GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */ + GG (a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */ + GG (d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */ + GG (c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */ + GG (b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */ + GG (a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */ + GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */ + GG (c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */ + GG (b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */ + + /* Round 3 */ + HH (a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */ + HH (d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */ + HH (c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */ + HH (b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */ + HH (a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */ + HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */ + HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */ + HH (b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */ + HH (a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */ + HH (d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */ + HH (c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */ + HH (b, c, d, a, x[ 6], S34, 0x4881d05); /* 44 */ + HH (a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */ + HH (d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */ + HH (c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */ + HH (b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */ + + /* Round 4 */ + II (a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */ + II (d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */ + II (c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */ + II (b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */ + II (a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */ + II (d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */ + II (c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */ + II (b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */ + II (a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */ + II (d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */ + II (c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */ + II (b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */ + II (a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */ + II (d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */ + II (c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */ + II (b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */ + + state[0] += a; + state[1] += b; + state[2] += c; + state[3] += d; + + /* Zeroize sensitive information. */ + memset((void *)x, 0, sizeof (x)); +} + +/* Encodes input (UINT4) into output (unsigned char). Assumes len is + a multiple of 4. + */ +static void Encode (unsigned char *output, + UINT4 *input, + unsigned int len) +{ + unsigned int i, j; + + for(i = 0, j = 0; j < len; i++, j += 4) { + output[j] = (unsigned char)(input[i] & 0xff); + output[j+1] = (unsigned char)((input[i] >> 8) & 0xff); + output[j+2] = (unsigned char)((input[i] >> 16) & 0xff); + output[j+3] = (unsigned char)((input[i] >> 24) & 0xff); + } +} + +/* Decodes input (unsigned char) into output (UINT4). Assumes len is + a multiple of 4. +*/ +static void Decode (UINT4 *output, + const unsigned char *input, + unsigned int len) +{ + unsigned int i, j; + + for(i = 0, j = 0; j < len; i++, j += 4) + output[i] = ((UINT4)input[j]) | (((UINT4)input[j+1]) << 8) | + (((UINT4)input[j+2]) << 16) | (((UINT4)input[j+3]) << 24); +} + +#endif /* CRYPTO LIBS */ + +/* The last #include file should be: */ +#include "memdebug.h" + +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 */ + } +}; + +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); +} + +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; +} + +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 /* CURL_DISABLE_CRYPTO_AUTH */ |