| 1 | /* $OpenBSD: md5.h,v 1.15 2004/05/03 17:30:14 millert Exp $ */ |
|---|
| 2 | |
|---|
| 3 | /* |
|---|
| 4 | * This code implements the MD5 message-digest algorithm. |
|---|
| 5 | * The algorithm is due to Ron Rivest. This code was |
|---|
| 6 | * written by Colin Plumb in 1993, no copyright is claimed. |
|---|
| 7 | * This code is in the public domain; do with it what you wish. |
|---|
| 8 | * |
|---|
| 9 | * Equivalent code is available from RSA Data Security, Inc. |
|---|
| 10 | * This code has been tested against that, and is equivalent, |
|---|
| 11 | * except that you don't need to include two pages of legalese |
|---|
| 12 | * with every copy. |
|---|
| 13 | */ |
|---|
| 14 | |
|---|
| 15 | #ifndef _MD5_H_ |
|---|
| 16 | #define _MD5_H_ |
|---|
| 17 | |
|---|
| 18 | #include <sys/types.h> |
|---|
| 19 | |
|---|
| 20 | #include <stdint.h> |
|---|
| 21 | |
|---|
| 22 | #define MD5_BLOCK_LENGTH 64 |
|---|
| 23 | #define MD5_DIGEST_LENGTH 16 |
|---|
| 24 | #define MD5_DIGEST_STRING_LENGTH (MD5_DIGEST_LENGTH * 2 + 1) |
|---|
| 25 | |
|---|
| 26 | typedef struct MD5Context { |
|---|
| 27 | uint32_t state[4]; /* state */ |
|---|
| 28 | uint64_t count; /* number of bits, mod 2^64 */ |
|---|
| 29 | uint8_t buffer[MD5_BLOCK_LENGTH]; /* input buffer */ |
|---|
| 30 | } MD5_CTX; |
|---|
| 31 | |
|---|
| 32 | #ifdef __cplusplus |
|---|
| 33 | extern "C" { |
|---|
| 34 | #endif |
|---|
| 35 | |
|---|
| 36 | void MD5Init(MD5_CTX *); |
|---|
| 37 | void MD5Update(MD5_CTX *, const uint8_t *, size_t); |
|---|
| 38 | void MD5Pad(MD5_CTX *); |
|---|
| 39 | void MD5Final(uint8_t [MD5_DIGEST_LENGTH], MD5_CTX *); |
|---|
| 40 | void MD5Transform(uint32_t [4], const uint8_t [MD5_BLOCK_LENGTH]); |
|---|
| 41 | char *MD5End(MD5_CTX *, char *); |
|---|
| 42 | char *MD5File(const char *, char *); |
|---|
| 43 | char *MD5FileChunk(const char *, char *, off_t, off_t); |
|---|
| 44 | char *MD5Data(const uint8_t *, size_t, char *); |
|---|
| 45 | |
|---|
| 46 | #ifdef __cplusplus |
|---|
| 47 | } |
|---|
| 48 | #endif |
|---|
| 49 | |
|---|
| 50 | /* Avoid polluting the namespace. Even though this makes this usage |
|---|
| 51 | * implementation-specific, defining it unconditionally should not be |
|---|
| 52 | * a problem, and better than possibly breaking unexpecting code. */ |
|---|
| 53 | #ifdef LIBMD_MD5_ALADDIN |
|---|
| 54 | |
|---|
| 55 | /* |
|---|
| 56 | * Interface compatibility with Aladdin Enterprises independent |
|---|
| 57 | * implementation from RFC 1321. |
|---|
| 58 | */ |
|---|
| 59 | |
|---|
| 60 | typedef uint8_t md5_byte_t; |
|---|
| 61 | typedef uint32_t md5_word_t; |
|---|
| 62 | typedef MD5_CTX md5_state_t; |
|---|
| 63 | |
|---|
| 64 | #define md5_init(pms) MD5Init(pms) |
|---|
| 65 | #define md5_append(pms, data, nbytes) MD5Update(pms, data, nbytes) |
|---|
| 66 | #define md5_finish(pms, digest) MD5Final(digest, pms) |
|---|
| 67 | |
|---|
| 68 | #endif /* LIBMD_MD5_ALADDIN */ |
|---|
| 69 | |
|---|
| 70 | #endif /* _MD5_H_ */ |
|---|
| 71 | |
|---|
