| /* |
| * Copyright 1999-2004 The Apache Software Foundation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* |
| * This is work is derived from material Copyright RSA Data Security, Inc. |
| * |
| * The RSA copyright statement and Licence for that original material is |
| * included below. This is followed by the Apache copyright statement and |
| * licence for the modifications made to that material. |
| */ |
| |
| /* MD5C.C - RSA Data Security, Inc., MD5 message-digest algorithm |
| */ |
| |
| /* 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. |
| */ |
| |
| /* |
| * The ap_MD5Encode() routine uses much code obtained from the FreeBSD 3.0 |
| * MD5 crypt() function, which is licenced as follows: |
| * ---------------------------------------------------------------------------- |
| * "THE BEER-WARE LICENSE" (Revision 42): |
| * <phk@login.dknet.dk> wrote this file. As long as you retain this notice you |
| * can do whatever you want with this stuff. If we meet some day, and you think |
| * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp |
| * ---------------------------------------------------------------------------- |
| */ |
| |
| /*************************************************************************** |
| * Description: MD5 encoding wrapper * |
| * Author: Henri Gomez <hgomez@apache.org> * |
| * Version: $Revision$ * |
| ***************************************************************************/ |
| |
| /* |
| * JK MD5 Encoding function (jk_MD5Encode) |
| * |
| * Jk delegate MD5 encoding to ap_MD5Encode when used in Apache Web-Server. |
| * When another web-server is used like NES/IIS, we should use corresponding calls. |
| * NES/IIS specialists will add the necessary code but until that, I reused the code |
| * from Apache HTTP server. |
| * |
| * Nota: If you use an EBCDIC system without Apache, you'll have to use MD5 encoding |
| * corresponding call or have a ebcdic2ascii() functions somewhere. |
| * For example current AS/400 have MD5 encoding support APIs but olders not.... |
| */ |
| |
| #include "jk_global.h" |
| #include "jk_md5.h" |
| |
| char * JK_METHOD jk_hextocstr(unsigned char *org, char * dst, int n) |
| { |
| char * os = dst; |
| unsigned char v; |
| static unsigned char zitohex[] = "0123456789ABCDEF"; |
| |
| while (--n >= 0) { |
| v = *org++; |
| *dst++ = zitohex[v >> 4]; |
| *dst++ = zitohex[v&0x0f]; |
| } |
| *dst = 0; |
| |
| return (os); |
| } |
| |
| #ifndef USE_APACHE_MD5 |
| |
| /* 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(JK_UINT4 state[4], const unsigned char block[64]); |
| static void Encode(unsigned char *output, const JK_UINT4 *input, unsigned int len); |
| static void Decode(JK_UINT4 *output, const unsigned char *input, unsigned int len); |
| static void jk_MD5Init(JK_MD5_CTX *context); |
| static void jk_MD5Update(JK_MD5_CTX *context, const unsigned char *input, unsigned int inputLen); |
| /*static void jk_MD5Final(unsigned char digest[JK_MD5_DIGESTSIZE], JK_MD5_CTX *context);*/ |
| |
| static 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) + (JK_UINT4)(ac); \ |
| (a) = ROTATE_LEFT ((a), (s)); \ |
| (a) += (b); \ |
| } |
| #define GG(a, b, c, d, x, s, ac) { \ |
| (a) += G ((b), (c), (d)) + (x) + (JK_UINT4)(ac); \ |
| (a) = ROTATE_LEFT ((a), (s)); \ |
| (a) += (b); \ |
| } |
| #define HH(a, b, c, d, x, s, ac) { \ |
| (a) += H ((b), (c), (d)) + (x) + (JK_UINT4)(ac); \ |
| (a) = ROTATE_LEFT ((a), (s)); \ |
| (a) += (b); \ |
| } |
| #define II(a, b, c, d, x, s, ac) { \ |
| (a) += I ((b), (c), (d)) + (x) + (JK_UINT4)(ac); \ |
| (a) = ROTATE_LEFT ((a), (s)); \ |
| (a) += (b); \ |
| } |
| |
| /* MD5 initialization. Begins an MD5 operation, writing a new context. |
| */ |
| static void jk_MD5Init(JK_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 jk_MD5Update(JK_MD5_CTX *context, const unsigned char *input, |
| unsigned int inputLen) |
| { |
| unsigned int i, idx, partLen; |
| |
| /* Compute number of bytes mod 64 */ |
| idx = (unsigned int) ((context->count[0] >> 3) & 0x3F); |
| |
| /* Update number of bits */ |
| if ((context->count[0] += ((JK_UINT4) inputLen << 3)) |
| < ((JK_UINT4) inputLen << 3)) { |
| context->count[1]++; |
| } |
| context->count[1] += (JK_UINT4) inputLen >> 29; |
| |
| partLen = 64 - idx; |
| |
| /* Transform as many times as possible. */ |
| #ifndef CHARSET_EBCDIC |
| if (inputLen >= partLen) { |
| memcpy(&context->buffer[idx], input, partLen); |
| MD5Transform(context->state, context->buffer); |
| |
| for (i = partLen; i + 63 < inputLen; i += 64) { |
| MD5Transform(context->state, &input[i]); |
| } |
| |
| idx = 0; |
| } |
| else { |
| i = 0; |
| } |
| |
| /* Buffer remaining input */ |
| memcpy(&context->buffer[idx], &input[i], inputLen - i); |
| #else /*CHARSET_EBCDIC*/ |
| if (inputLen >= partLen) { |
| ebcdic2ascii(&context->buffer[idx], input, partLen); |
| MD5Transform(context->state, context->buffer); |
| |
| for (i = partLen; i + 63 < inputLen; i += 64) { |
| unsigned char inp_tmp[64]; |
| ebcdic2ascii(inp_tmp, &input[i], 64); |
| MD5Transform(context->state, inp_tmp); |
| } |
| |
| idx = 0; |
| } |
| else { |
| i = 0; |
| } |
| |
| /* Buffer remaining input */ |
| ebcdic2ascii(&context->buffer[idx], &input[i], inputLen - i); |
| #endif /*CHARSET_EBCDIC*/ |
| } |
| |
| /* MD5 finalization. Ends an MD5 message-digest operation, writing the |
| the message digest and zeroizing the context. |
| */ |
| void JK_METHOD jk_MD5Final(unsigned char digest[16], JK_MD5_CTX *context) |
| { |
| unsigned char bits[8]; |
| unsigned int idx, padLen; |
| |
| |
| /* Save number of bits */ |
| Encode(bits, context->count, 8); |
| |
| #ifdef CHARSET_EBCDIC |
| /* XXX: @@@: In order to make this no more complex than necessary, |
| * this kludge converts the bits[] array using the ascii-to-ebcdic |
| * table, because the following jk_MD5Update() re-translates |
| * its input (ebcdic-to-ascii). |
| * Otherwise, we would have to pass a "conversion" flag to jk_MD5Update() |
| */ |
| ascii2ebcdic(bits,bits,8); |
| |
| /* Since everything is converted to ascii within jk_MD5Update(), |
| * the initial 0x80 (PADDING[0]) must be stored as 0x20 |
| */ |
| ascii2ebcdic(PADDING,PADDING,1); |
| #endif /*CHARSET_EBCDIC*/ |
| |
| /* Pad out to 56 mod 64. */ |
| idx = (unsigned int) ((context->count[0] >> 3) & 0x3f); |
| padLen = (idx < 56) ? (56 - idx) : (120 - idx); |
| jk_MD5Update(context, (const unsigned char *)PADDING, padLen); |
| |
| /* Append length (before padding) */ |
| jk_MD5Update(context, (const unsigned char *)bits, 8); |
| |
| /* Store state in digest */ |
| Encode(digest, context->state, 16); |
| |
| /* Zeroize sensitive information. */ |
| memset(context, 0, sizeof(*context)); |
| } |
| |
| /* MD5 basic transformation. Transforms state based on block. */ |
| static void MD5Transform(JK_UINT4 state[4], const unsigned char block[64]) |
| { |
| JK_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(x, 0, sizeof(x)); |
| } |
| |
| /* Encodes input (JK_UINT4) into output (unsigned char). Assumes len is |
| a multiple of 4. |
| */ |
| static void Encode(unsigned char *output, const JK_UINT4 *input, unsigned int len) |
| { |
| unsigned int i, j; |
| JK_UINT4 k; |
| |
| for (i = 0, j = 0; j < len; i++, j += 4) { |
| k = input[i]; |
| output[j] = (unsigned char) (k & 0xff); |
| output[j + 1] = (unsigned char) ((k >> 8) & 0xff); |
| output[j + 2] = (unsigned char) ((k >> 16) & 0xff); |
| output[j + 3] = (unsigned char) ((k >> 24) & 0xff); |
| } |
| } |
| |
| /* Decodes input (unsigned char) into output (JK_UINT4). Assumes len is |
| * a multiple of 4. |
| */ |
| static void Decode(JK_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] = ((JK_UINT4) input[j]) | (((JK_UINT4) input[j + 1]) << 8) | |
| (((JK_UINT4) input[j + 2]) << 16) | (((JK_UINT4) input[j + 3]) << 24); |
| } |
| |
| /* |
| * The following MD5 password encryption code was largely borrowed from |
| * the FreeBSD 3.0 /usr/src/lib/libcrypt/crypt.c file, which is |
| * licenced as stated at the top of this file. |
| */ |
| static void jk_to64(char *s, unsigned long v, int n) |
| { |
| static unsigned char itoa64[] = /* 0 ... 63 => ASCII - 64 */ |
| "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; |
| |
| while (--n >= 0) { |
| *s++ = itoa64[v&0x3f]; |
| v >>= 6; |
| } |
| } |
| |
| char * JK_METHOD jk_md5(const unsigned char *org, const unsigned char *org2, char *dst) |
| { |
| JK_MD5_CTX ctx; |
| char buf[JK_MD5_DIGESTSIZE + 1]; |
| |
| jk_MD5Init(&ctx); |
| jk_MD5Update(&ctx, org, strlen((const char *)org)); |
| |
| if (org2 != NULL) |
| jk_MD5Update(&ctx, org2, strlen((const char *)org2)); |
| |
| jk_MD5Final((unsigned char *)buf, &ctx); |
| return (jk_hextocstr((unsigned char *)buf, dst, JK_MD5_DIGESTSIZE)); |
| } |
| |
| #else /* USE_APACHE_MD5 */ |
| |
| #include "httpd.h" |
| #include "http_config.h" |
| |
| #ifdef STANDARD20_MODULE_STUFF |
| |
| #include "apr_md5.h" |
| #define AP_MD5_CTX apr_md5_ctx_t |
| #define ap_MD5Init apr_md5_init |
| #define ap_MD5Update apr_md5_update |
| #define ap_MD5Final apr_md5_final |
| |
| #else /* STANDARD20_MODULE_STUFF */ |
| |
| #include "ap_md5.h" |
| |
| #endif /* STANDARD20_MODULE_STUFF */ |
| |
| char * JK_METHOD jk_md5(const unsigned char *org, const unsigned char *org2, char *dst) |
| { |
| AP_MD5_CTX ctx; |
| char buf[JK_MD5_DIGESTSIZE + 1]; |
| |
| ap_MD5Init(&ctx); |
| ap_MD5Update(&ctx, org, strlen((const char *)org)); |
| |
| if (org2 != NULL) |
| ap_MD5Update(&ctx, org2, strlen((const char *)org2)); |
| |
| ap_MD5Final((unsigned char *)buf, &ctx); |
| return (jk_hextocstr((unsigned char *)buf, dst, JK_MD5_DIGESTSIZE)); |
| } |
| |
| #endif /* USE_APACHE_MD5 */ |
| |
| /* Test values: |
| * "" D4 1D 8C D9 8F 00 B2 04 E9 80 09 98 EC F8 42 7E |
| * "a" 0C C1 75 B9 C0 F1 B6 A8 31 C3 99 E2 69 77 26 61 |
| * "abc 90 01 50 98 3C D2 4F B0 D6 96 3F 7D 28 E1 7F 72 |
| * "message digest" F9 6B 69 7D 7C B7 93 8D 52 5A 2F 31 AA F1 61 D0 |
| * |
| */ |
| |
| #ifdef TEST_JKMD5 |
| |
| main(int argc, char ** argv) |
| { |
| char xxx[(2 * JK_MD5_DIGESTSIZE) + 1]; |
| |
| if (argc > 1) |
| printf("%s => %s\n", argv[1], jk_md5(argv[1], NULL, xxx)); |
| } |
| |
| #endif |