mirror of https://github.com/TTimo/GtkRadiant.git
50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
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/*
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* This is an OpenSSL-compatible implementation of the RSA Data Security,
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* Inc. MD4 Message-Digest Algorithm.
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*
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* Written by Solar Designer <solar@openwall.com> in 2001, and placed in
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* the public domain. See md4.c for more information.
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*/
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#ifndef MD4_H
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#define MD4_H
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struct hash_method {
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const char *name;
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/* Number of bytes that must be allocated for context */
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unsigned int context_size;
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/* Number of bytes that must be allocated for result()'s digest */
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unsigned int digest_size;
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void (*init)(void *context);
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void (*loop)(void *context, const void *data, size_t size);
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void (*result)(void *context, unsigned char *digest_r);
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};
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const struct hash_method *hash_method_lookup(const char *name);
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/* NULL-terminated list of all hash methods */
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extern const struct hash_method *hash_methods[];
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typedef unsigned int uint_fast32_t;
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#define MD4_RESULTLEN (128/8)
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struct md4_context {
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uint_fast32_t lo, hi;
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uint_fast32_t a, b, c, d;
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unsigned char buffer[64];
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uint_fast32_t block[MD4_RESULTLEN];
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};
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void md4_init(struct md4_context *ctx);
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void md4_update(struct md4_context *ctx, const void *data, size_t size);
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void md4_final(struct md4_context *ctx, unsigned char result[MD4_RESULTLEN]);
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void md4_get_digest(const void *data, size_t size,
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unsigned char result[MD4_RESULTLEN]);
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extern const struct hash_method hash_method_md4;
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#endif
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