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/* md5.h - Declaration of functions and data types used for MD5 sum |
/* Declaration of functions and data types used for MD5 sum computing |
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computing library functions. |
library functions. |
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Copyright (C) 1995-1997,1999-2005 Free Software Foundation, Inc. |
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Copyright (C) 1995, 1996, 1999, 2000, 2003, 2004 Free Software |
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Foundation, Inc. |
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NOTE: The canonical source of this file is maintained with the GNU C |
NOTE: The canonical source of this file is maintained with the GNU C |
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Library. Bugs can be reported to bug-glibc@prep.ai.mit.edu. |
Library. Bugs can be reported to bug-glibc@prep.ai.mit.edu. |
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# include <stdint.h> |
# include <stdint.h> |
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#endif |
#endif |
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#ifndef __GNUC_PREREQ |
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# if defined __GNUC__ && defined __GNUC_MINOR__ |
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# define __GNUC_PREREQ(maj, min) \ |
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((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min)) |
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# else |
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# define __GNUC_PREREQ(maj, min) 0 |
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# endif |
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#endif |
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#ifndef __THROW |
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# if defined __cplusplus && __GNUC_PREREQ (2,8) |
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# define __THROW throw () |
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# else |
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# define __THROW |
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# endif |
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#endif |
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#ifndef __attribute__ |
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# if ! __GNUC_PREREQ (2,8) || __STRICT_ANSI__ |
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# define __attribute__(x) |
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# endif |
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#endif |
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#ifndef _LIBC |
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# define __md5_buffer md5_buffer |
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# define __md5_finish_ctx md5_finish_ctx |
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# define __md5_init_ctx md5_init_ctx |
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# define __md5_process_block md5_process_block |
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# define __md5_process_bytes md5_process_bytes |
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# define __md5_read_ctx md5_read_ctx |
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# define __md5_stream md5_stream |
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#endif |
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typedef uint32_t md5_uint32; |
typedef uint32_t md5_uint32; |
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/* Structure to save state of computation between the single steps. */ |
/* Structure to save state of computation between the single steps. */ |
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md5_uint32 total[2]; |
md5_uint32 total[2]; |
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md5_uint32 buflen; |
md5_uint32 buflen; |
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char buffer[128]; |
char buffer[128] __attribute__ ((__aligned__ (__alignof__ (md5_uint32)))); |
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}; |
}; |
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/* |
/* |
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/* Initialize structure containing state of computation. |
/* Initialize structure containing state of computation. |
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(RFC 1321, 3.3: Step 3) */ |
(RFC 1321, 3.3: Step 3) */ |
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extern void md5_init_ctx (struct md5_ctx *ctx); |
extern void __md5_init_ctx (struct md5_ctx *ctx) __THROW; |
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/* Starting with the result of former calls of this function (or the |
/* Starting with the result of former calls of this function (or the |
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initialization function update the context for the next LEN bytes |
initialization function update the context for the next LEN bytes |
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starting at BUFFER. |
starting at BUFFER. |
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It is necessary that LEN is a multiple of 64!!! */ |
It is necessary that LEN is a multiple of 64!!! */ |
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extern void md5_process_block (const void *buffer, size_t len, |
extern void __md5_process_block (const void *buffer, size_t len, |
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struct md5_ctx *ctx); |
struct md5_ctx *ctx) __THROW; |
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/* Starting with the result of former calls of this function (or the |
/* Starting with the result of former calls of this function (or the |
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initialization function update the context for the next LEN bytes |
initialization function update the context for the next LEN bytes |
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starting at BUFFER. |
starting at BUFFER. |
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It is NOT required that LEN is a multiple of 64. */ |
It is NOT required that LEN is a multiple of 64. */ |
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extern void md5_process_bytes (const void *buffer, size_t len, |
extern void __md5_process_bytes (const void *buffer, size_t len, |
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struct md5_ctx *ctx); |
struct md5_ctx *ctx) __THROW; |
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/* Process the remaining bytes in the buffer and put result from CTX |
/* Process the remaining bytes in the buffer and put result from CTX |
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in first 16 bytes following RESBUF. The result is always in little |
in first 16 bytes following RESBUF. The result is always in little |
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IMPORTANT: On some systems it is required that RESBUF be correctly |
IMPORTANT: On some systems it is required that RESBUF be correctly |
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aligned for a 32 bits value. */ |
aligned for a 32 bits value. */ |
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extern void *md5_finish_ctx (struct md5_ctx *ctx, void *resbuf); |
extern void *__md5_finish_ctx (struct md5_ctx *ctx, void *resbuf) __THROW; |
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/* Put result from CTX in first 16 bytes following RESBUF. The result is |
/* Put result from CTX in first 16 bytes following RESBUF. The result is |
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IMPORTANT: On some systems it is required that RESBUF is correctly |
IMPORTANT: On some systems it is required that RESBUF is correctly |
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aligned for a 32 bits value. */ |
aligned for a 32 bits value. */ |
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extern void *md5_read_ctx (const struct md5_ctx *ctx, void *resbuf); |
extern void *__md5_read_ctx (const struct md5_ctx *ctx, void *resbuf) __THROW; |
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/* Compute MD5 message digest for bytes read from STREAM. The |
/* Compute MD5 message digest for bytes read from STREAM. The |
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resulting message digest number will be written into the 16 bytes |
resulting message digest number will be written into the 16 bytes |
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beginning at RESBLOCK. */ |
beginning at RESBLOCK. */ |
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extern int md5_stream (FILE *stream, void *resblock); |
extern int __md5_stream (FILE *stream, void *resblock) __THROW; |
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/* Compute MD5 message digest for LEN bytes beginning at BUFFER. The |
/* Compute MD5 message digest for LEN bytes beginning at BUFFER. The |
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result is always in little endian byte order, so that a byte-wise |
result is always in little endian byte order, so that a byte-wise |
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output yields to the wanted ASCII representation of the message |
output yields to the wanted ASCII representation of the message |
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digest. */ |
digest. */ |
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extern void *md5_buffer (const char *buffer, size_t len, void *resblock); |
extern void *__md5_buffer (const char *buffer, size_t len, |
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void *resblock) __THROW; |
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#define rol(x,n) ( ((x) << (n)) | ((x) >> (32-(n))) ) |
#endif /* md5.h */ |
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#endif |
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