383 lines
12 KiB
C
383 lines
12 KiB
C
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/* ---- HASH FUNCTIONS ---- */
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#ifdef LTC_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 LTC_SHA256
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struct sha256_state {
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ulong64 length;
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ulong32 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 LTC_SHA1
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struct sha1_state {
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ulong64 length;
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ulong32 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 LTC_MD5
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struct md5_state {
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ulong64 length;
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ulong32 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 LTC_MD4
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struct md4_state {
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ulong64 length;
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ulong32 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 LTC_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 LTC_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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#ifdef LTC_RIPEMD128
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struct rmd128_state {
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ulong64 length;
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unsigned char buf[64];
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ulong32 curlen, state[4];
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};
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#endif
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#ifdef LTC_RIPEMD160
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struct rmd160_state {
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ulong64 length;
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unsigned char buf[64];
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ulong32 curlen, state[5];
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};
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#endif
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#ifdef LTC_RIPEMD256
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struct rmd256_state {
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ulong64 length;
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unsigned char buf[64];
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ulong32 curlen, state[8];
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};
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#endif
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#ifdef LTC_RIPEMD320
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struct rmd320_state {
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ulong64 length;
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unsigned char buf[64];
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ulong32 curlen, state[10];
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};
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#endif
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#ifdef LTC_WHIRLPOOL
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struct whirlpool_state {
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ulong64 length, state[8];
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unsigned char buf[64];
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ulong32 curlen;
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};
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#endif
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#ifdef LTC_CHC_HASH
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struct chc_state {
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ulong64 length;
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unsigned char state[MAXBLOCKSIZE], buf[MAXBLOCKSIZE];
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ulong32 curlen;
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};
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#endif
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typedef union Hash_state {
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char dummy[1];
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#ifdef LTC_CHC_HASH
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struct chc_state chc;
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#endif
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#ifdef LTC_WHIRLPOOL
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struct whirlpool_state whirlpool;
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#endif
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#ifdef LTC_SHA512
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struct sha512_state sha512;
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#endif
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#ifdef LTC_SHA256
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struct sha256_state sha256;
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#endif
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#ifdef LTC_SHA1
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struct sha1_state sha1;
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#endif
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#ifdef LTC_MD5
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struct md5_state md5;
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#endif
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#ifdef LTC_MD4
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struct md4_state md4;
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#endif
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#ifdef LTC_MD2
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struct md2_state md2;
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#endif
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#ifdef LTC_TIGER
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struct tiger_state tiger;
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#endif
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#ifdef LTC_RIPEMD128
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struct rmd128_state rmd128;
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#endif
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#ifdef LTC_RIPEMD160
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struct rmd160_state rmd160;
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#endif
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#ifdef LTC_RIPEMD256
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struct rmd256_state rmd256;
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#endif
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#ifdef LTC_RIPEMD320
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struct rmd320_state rmd320;
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#endif
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void *data;
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} hash_state;
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/** hash descriptor */
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extern struct ltc_hash_descriptor {
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/** name of hash */
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char *name;
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/** internal ID */
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unsigned char ID;
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/** Size of digest in octets */
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unsigned long hashsize;
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/** Input block size in octets */
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unsigned long blocksize;
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/** ASN.1 OID */
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unsigned long OID[16];
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/** Length of DER encoding */
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unsigned long OIDlen;
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/** Init a hash state
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@param hash The hash to initialize
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@return CRYPT_OK if successful
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*/
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int (*init)(hash_state *hash);
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/** Process a block of data
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@param hash The hash state
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@param in The data to hash
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@param inlen The length of the data (octets)
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@return CRYPT_OK if successful
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*/
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int (*process)(hash_state *hash, const unsigned char *in, unsigned long inlen);
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/** Produce the digest and store it
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@param hash The hash state
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@param out [out] The destination of the digest
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@return CRYPT_OK if successful
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*/
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int (*done)(hash_state *hash, unsigned char *out);
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/** Self-test
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@return CRYPT_OK if successful, CRYPT_NOP if self-tests have been disabled
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*/
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int (*test)(void);
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/* accelerated hmac callback: if you need to-do multiple packets just use the generic hmac_memory and provide a hash callback */
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int (*hmac_block)(const unsigned char *key, unsigned long keylen,
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const unsigned char *in, unsigned long inlen,
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unsigned char *out, unsigned long *outlen);
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} hash_descriptor[];
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#ifdef LTC_CHC_HASH
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int chc_register(int cipher);
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int chc_init(hash_state * md);
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int chc_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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int chc_done(hash_state * md, unsigned char *hash);
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int chc_test(void);
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extern const struct ltc_hash_descriptor chc_desc;
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#endif
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#ifdef LTC_WHIRLPOOL
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int whirlpool_init(hash_state * md);
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int whirlpool_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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int whirlpool_done(hash_state * md, unsigned char *hash);
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int whirlpool_test(void);
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extern const struct ltc_hash_descriptor whirlpool_desc;
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#endif
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#ifdef LTC_SHA512
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int sha512_init(hash_state * md);
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int sha512_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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int sha512_done(hash_state * md, unsigned char *hash);
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int sha512_test(void);
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extern const struct ltc_hash_descriptor sha512_desc;
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#endif
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#ifdef LTC_SHA384
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#ifndef LTC_SHA512
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#error LTC_SHA512 is required for LTC_SHA384
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#endif
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int sha384_init(hash_state * md);
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#define sha384_process sha512_process
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int sha384_done(hash_state * md, unsigned char *hash);
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int sha384_test(void);
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extern const struct ltc_hash_descriptor sha384_desc;
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#endif
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#ifdef LTC_SHA256
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int sha256_init(hash_state * md);
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int sha256_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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int sha256_done(hash_state * md, unsigned char *hash);
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int sha256_test(void);
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extern const struct ltc_hash_descriptor sha256_desc;
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#ifdef LTC_SHA224
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#ifndef LTC_SHA256
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#error LTC_SHA256 is required for LTC_SHA224
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#endif
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int sha224_init(hash_state * md);
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#define sha224_process sha256_process
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int sha224_done(hash_state * md, unsigned char *hash);
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int sha224_test(void);
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extern const struct ltc_hash_descriptor sha224_desc;
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#endif
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#endif
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#ifdef LTC_SHA1
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int sha1_init(hash_state * md);
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int sha1_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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int sha1_done(hash_state * md, unsigned char *hash);
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int sha1_test(void);
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extern const struct ltc_hash_descriptor sha1_desc;
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#endif
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#ifdef LTC_MD5
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int md5_init(hash_state * md);
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int md5_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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int md5_done(hash_state * md, unsigned char *hash);
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int md5_test(void);
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extern const struct ltc_hash_descriptor md5_desc;
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#endif
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#ifdef LTC_MD4
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int md4_init(hash_state * md);
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int md4_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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int md4_done(hash_state * md, unsigned char *hash);
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int md4_test(void);
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extern const struct ltc_hash_descriptor md4_desc;
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#endif
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#ifdef LTC_MD2
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int md2_init(hash_state * md);
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int md2_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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int md2_done(hash_state * md, unsigned char *hash);
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int md2_test(void);
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extern const struct ltc_hash_descriptor md2_desc;
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#endif
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#ifdef LTC_TIGER
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int tiger_init(hash_state * md);
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int tiger_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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int tiger_done(hash_state * md, unsigned char *hash);
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int tiger_test(void);
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extern const struct ltc_hash_descriptor tiger_desc;
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#endif
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#ifdef LTC_RIPEMD128
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int rmd128_init(hash_state * md);
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int rmd128_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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int rmd128_done(hash_state * md, unsigned char *hash);
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int rmd128_test(void);
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extern const struct ltc_hash_descriptor rmd128_desc;
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#endif
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#ifdef LTC_RIPEMD160
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int rmd160_init(hash_state * md);
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int rmd160_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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int rmd160_done(hash_state * md, unsigned char *hash);
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int rmd160_test(void);
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extern const struct ltc_hash_descriptor rmd160_desc;
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#endif
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#ifdef LTC_RIPEMD256
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int rmd256_init(hash_state * md);
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int rmd256_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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int rmd256_done(hash_state * md, unsigned char *hash);
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int rmd256_test(void);
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extern const struct ltc_hash_descriptor rmd256_desc;
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#endif
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#ifdef LTC_RIPEMD320
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int rmd320_init(hash_state * md);
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int rmd320_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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int rmd320_done(hash_state * md, unsigned char *hash);
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int rmd320_test(void);
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extern const struct ltc_hash_descriptor rmd320_desc;
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#endif
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int find_hash(const char *name);
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int find_hash_id(unsigned char ID);
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int find_hash_oid(const unsigned long *ID, unsigned long IDlen);
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int find_hash_any(const char *name, int digestlen);
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int register_hash(const struct ltc_hash_descriptor *hash);
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int unregister_hash(const struct ltc_hash_descriptor *hash);
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int hash_is_valid(int idx);
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LTC_MUTEX_PROTO(ltc_hash_mutex)
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int hash_memory(int hash,
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const unsigned char *in, unsigned long inlen,
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unsigned char *out, unsigned long *outlen);
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int hash_memory_multi(int hash, unsigned char *out, unsigned long *outlen,
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const unsigned char *in, unsigned long inlen, ...);
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#ifndef LTC_NO_FILE
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int hash_filehandle(int hash, FILE *in, unsigned char *out, unsigned long *outlen);
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int hash_file(int hash, const char *fname, unsigned char *out, unsigned long *outlen);
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#endif
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/* a simple macro for making hash "process" functions */
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#define HASH_PROCESS(func_name, compress_name, state_var, block_size) \
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int func_name (hash_state * md, const unsigned char *in, unsigned long inlen) \
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{ \
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unsigned long n; \
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int err; \
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LTC_ARGCHK(md != NULL); \
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LTC_ARGCHK(in != NULL); \
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if (md-> state_var .curlen > sizeof(md-> state_var .buf)) { \
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return CRYPT_INVALID_ARG; \
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} \
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while (inlen > 0) { \
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if (md-> state_var .curlen == 0 && inlen >= block_size) { \
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if ((err = compress_name (md, (unsigned char *)in)) != CRYPT_OK) { \
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return err; \
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} \
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md-> state_var .length += block_size * 8; \
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in += block_size; \
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inlen -= block_size; \
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} else { \
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n = MIN(inlen, (block_size - md-> state_var .curlen)); \
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memcpy(md-> state_var .buf + md-> state_var.curlen, in, (size_t)n); \
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md-> state_var .curlen += n; \
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in += n; \
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inlen -= n; \
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if (md-> state_var .curlen == block_size) { \
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if ((err = compress_name (md, md-> state_var .buf)) != CRYPT_OK) { \
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return err; \
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} \
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md-> state_var .length += 8*block_size; \
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md-> state_var .curlen = 0; \
|
||
|
|
} \
|
||
|
|
} \
|
||
|
|
} \
|
||
|
|
return CRYPT_OK; \
|
||
|
|
}
|
||
|
|
|
||
|
|
/* $Source$ */
|
||
|
|
/* $Revision$ */
|
||
|
|
/* $Date$ */
|