187 lines
5.3 KiB
C
187 lines
5.3 KiB
C
/* ---- HASH FUNCTIONS ---- */
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#ifdef SHA512
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struct sha512_state {
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ulong64 length, state[8];
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unsigned long curlen;
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unsigned char buf[128];
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};
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#endif
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#ifdef SHA256
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struct sha256_state {
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ulong64 length;
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unsigned long state[8], curlen;
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unsigned char buf[64];
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};
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#endif
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#ifdef SHA1
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struct sha1_state {
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ulong64 length;
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unsigned long state[5], curlen;
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unsigned char buf[64];
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};
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#endif
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#ifdef MD5
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struct md5_state {
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ulong64 length;
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unsigned long state[4], curlen;
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unsigned char buf[64];
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};
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#endif
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#ifdef MD4
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struct md4_state {
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ulong64 length;
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unsigned long state[4], curlen;
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unsigned char buf[64];
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};
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#endif
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#ifdef TIGER
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struct tiger_state {
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ulong64 state[3], length;
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unsigned long curlen;
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unsigned char buf[64];
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};
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#endif
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#ifdef MD2
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struct md2_state {
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unsigned char chksum[16], X[48], buf[16];
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unsigned long curlen;
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};
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#endif
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typedef union Hash_state {
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#ifdef SHA512
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struct sha512_state sha512;
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#endif
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#ifdef SHA256
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struct sha256_state sha256;
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#endif
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#ifdef SHA1
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struct sha1_state sha1;
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#endif
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#ifdef MD5
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struct md5_state md5;
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#endif
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#ifdef MD4
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struct md4_state md4;
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#endif
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#ifdef MD2
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struct md2_state md2;
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#endif
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#ifdef TIGER
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struct tiger_state tiger;
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#endif
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} hash_state;
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extern struct _hash_descriptor {
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char *name;
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unsigned char ID;
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unsigned long hashsize; /* digest output size in bytes */
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unsigned long blocksize; /* the block size the hash uses */
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void (*init)(hash_state *);
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void (*process)(hash_state *, const unsigned char *, unsigned long);
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void (*done)(hash_state *, unsigned char *);
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int (*test)(void);
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} hash_descriptor[];
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#ifdef SHA512
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extern void sha512_init(hash_state * md);
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extern void sha512_process(hash_state * md, const unsigned char *buf, unsigned long len);
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extern void sha512_done(hash_state * md, unsigned char *hash);
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extern int sha512_test(void);
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extern const struct _hash_descriptor sha512_desc;
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#endif
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#ifdef SHA384
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extern void sha384_init(hash_state * md);
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extern void sha384_process(hash_state * md, const unsigned char *buf, unsigned long len);
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extern void sha384_done(hash_state * md, unsigned char *hash);
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extern int sha384_test(void);
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extern const struct _hash_descriptor sha384_desc;
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#endif
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#ifdef SHA256
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extern void sha256_init(hash_state * md);
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extern void sha256_process(hash_state * md, const unsigned char *buf, unsigned long len);
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extern void sha256_done(hash_state * md, unsigned char *hash);
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extern int sha256_test(void);
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extern const struct _hash_descriptor sha256_desc;
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#endif
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#ifdef SHA1
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extern void sha1_init(hash_state * md);
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extern void sha1_process(hash_state * md, const unsigned char *buf, unsigned long len);
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extern void sha1_done(hash_state * md, unsigned char *hash);
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extern int sha1_test(void);
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extern const struct _hash_descriptor sha1_desc;
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#endif
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#ifdef MD5
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extern void md5_init(hash_state * md);
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extern void md5_process(hash_state * md, const unsigned char *buf, unsigned long len);
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extern void md5_done(hash_state * md, unsigned char *hash);
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extern int md5_test(void);
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extern const struct _hash_descriptor md5_desc;
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#endif
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#ifdef MD4
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extern void md4_init(hash_state * md);
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extern void md4_process(hash_state * md, const unsigned char *buf, unsigned long len);
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extern void md4_done(hash_state * md, unsigned char *hash);
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extern int md4_test(void);
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extern const struct _hash_descriptor md4_desc;
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#endif
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#ifdef MD2
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extern void md2_init(hash_state * md);
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extern void md2_process(hash_state * md, const unsigned char *buf, unsigned long len);
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extern void md2_done(hash_state * md, unsigned char *hash);
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extern int md2_test(void);
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extern const struct _hash_descriptor md2_desc;
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#endif
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#ifdef TIGER
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extern void tiger_init(hash_state * md);
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extern void tiger_process(hash_state * md, const unsigned char *buf, unsigned long len);
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extern void tiger_done(hash_state * md, unsigned char *hash);
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extern int tiger_test(void);
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extern const struct _hash_descriptor tiger_desc;
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#endif
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extern int find_hash(const char *name);
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extern int find_hash_id(unsigned char ID);
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extern int register_hash(const struct _hash_descriptor *hash);
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extern int unregister_hash(const struct _hash_descriptor *hash);
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extern int hash_is_valid(int idx);
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extern int hash_memory(int hash, const unsigned char *data, unsigned long len, unsigned char *dst, unsigned long *outlen);
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extern int hash_filehandle(int hash, FILE *in, unsigned char *dst, unsigned long *outlen);
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extern int hash_file(int hash, const char *fname, unsigned char *dst, unsigned long *outlen);
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#ifdef HMAC
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typedef struct Hmac_state {
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hash_state md;
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int hash;
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unsigned long hashsize; /* here for your reference */
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hash_state hashstate;
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unsigned char key[MAXBLOCKSIZE];
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} hmac_state;
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extern int hmac_init(hmac_state *hmac, int hash, const unsigned char *key, unsigned long keylen);
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extern int hmac_process(hmac_state *hmac, const unsigned char *buf, unsigned long len);
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extern int hmac_done(hmac_state *hmac, unsigned char *hash);
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extern int hmac_test(void);
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extern int hmac_memory(int hash, const unsigned char *key, unsigned long keylen,
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const unsigned char *data, unsigned long len,
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unsigned char *dst, unsigned long *dstlen);
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extern int hmac_file(int hash, const char *fname, const unsigned char *key,
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unsigned long keylen,
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unsigned char *dst, unsigned long *dstlen);
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#endif
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