1 /* 2 * Copyright (C) 2004 6WIND 3 * <Vincent.Jardin@6WIND.com> 4 * All rights reserved. 5 * 6 * This MD5 code is Big endian and Little Endian compatible. 7 */ 8 9 /* 10 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 11 * All rights reserved. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. Neither the name of the project nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 */ 37 38 #ifndef _LIBZEBRA_MD5_H_ 39 #define _LIBZEBRA_MD5_H_ 40 41 #ifdef __cplusplus 42 extern "C" { 43 #endif 44 45 #define MD5_BUFLEN 64 46 47 typedef struct { 48 union { 49 uint32_t md5_state32[4]; 50 uint8_t md5_state8[16]; 51 } md5_st; 52 53 #define md5_sta md5_st.md5_state32[0] 54 #define md5_stb md5_st.md5_state32[1] 55 #define md5_stc md5_st.md5_state32[2] 56 #define md5_std md5_st.md5_state32[3] 57 #define md5_st8 md5_st.md5_state8 58 59 union { 60 uint64_t md5_count64; 61 uint8_t md5_count8[8]; 62 } md5_count; 63 #define md5_n md5_count.md5_count64 64 #define md5_n8 md5_count.md5_count8 65 66 uint md5_i; 67 uint8_t md5_buf[MD5_BUFLEN]; 68 } md5_ctxt; 69 70 extern void md5_init(md5_ctxt *); 71 extern void md5_loop(md5_ctxt *, const void *, unsigned int); 72 extern void md5_pad(md5_ctxt *); 73 extern void md5_result(uint8_t *, md5_ctxt *); 74 75 /* compatibility */ 76 #define MD5_CTX md5_ctxt 77 #define MD5Init(x) md5_init((x)) 78 #define MD5Update(x, y, z) md5_loop((x), (y), (z)) 79 #define MD5Final(x, y) \ 80 do { \ 81 md5_pad((y)); \ 82 md5_result((x), (y)); \ 83 } while (0) 84 85 /* From RFC 2104 */ 86 void hmac_md5(unsigned char *text, int text_len, unsigned char *key, 87 int key_len, uint8_t *digest); 88 89 #ifdef __cplusplus 90 } 91 #endif 92 93 #endif /* ! _LIBZEBRA_MD5_H_*/ 94