Mercurial > dropbear
view libtomcrypt/src/headers/tomcrypt_hash.h @ 483:738313e73b1c
- "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
author | Matt Johnston <matt@ucc.asn.au> |
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date | Mon, 15 Sep 2008 14:40:30 +0000 |
parents | 0cbe8f6dbf9e |
children | f849a5ca2efc |
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/* ---- HASH FUNCTIONS ---- */ #ifdef SHA512 struct sha512_state { ulong64 length, state[8]; unsigned long curlen; unsigned char buf[128]; }; #endif #ifdef SHA256 struct sha256_state { ulong64 length; ulong32 state[8], curlen; unsigned char buf[64]; }; #endif #ifdef SHA1 struct sha1_state { ulong64 length; ulong32 state[5], curlen; unsigned char buf[64]; }; #endif #ifdef MD5 struct md5_state { ulong64 length; ulong32 state[4], curlen; unsigned char buf[64]; }; #endif #ifdef MD4 struct md4_state { ulong64 length; ulong32 state[4], curlen; unsigned char buf[64]; }; #endif #ifdef TIGER struct tiger_state { ulong64 state[3], length; unsigned long curlen; unsigned char buf[64]; }; #endif #ifdef MD2 struct md2_state { unsigned char chksum[16], X[48], buf[16]; unsigned long curlen; }; #endif #ifdef RIPEMD128 struct rmd128_state { ulong64 length; unsigned char buf[64]; ulong32 curlen, state[4]; }; #endif #ifdef RIPEMD160 struct rmd160_state { ulong64 length; unsigned char buf[64]; ulong32 curlen, state[5]; }; #endif #ifdef RIPEMD256 struct rmd256_state { ulong64 length; unsigned char buf[64]; ulong32 curlen, state[8]; }; #endif #ifdef RIPEMD320 struct rmd320_state { ulong64 length; unsigned char buf[64]; ulong32 curlen, state[10]; }; #endif #ifdef WHIRLPOOL struct whirlpool_state { ulong64 length, state[8]; unsigned char buf[64]; ulong32 curlen; }; #endif #ifdef CHC_HASH struct chc_state { ulong64 length; unsigned char state[MAXBLOCKSIZE], buf[MAXBLOCKSIZE]; ulong32 curlen; }; #endif typedef union Hash_state { char dummy[1]; #ifdef CHC_HASH struct chc_state chc; #endif #ifdef WHIRLPOOL struct whirlpool_state whirlpool; #endif #ifdef SHA512 struct sha512_state sha512; #endif #ifdef SHA256 struct sha256_state sha256; #endif #ifdef SHA1 struct sha1_state sha1; #endif #ifdef MD5 struct md5_state md5; #endif #ifdef MD4 struct md4_state md4; #endif #ifdef MD2 struct md2_state md2; #endif #ifdef TIGER struct tiger_state tiger; #endif #ifdef RIPEMD128 struct rmd128_state rmd128; #endif #ifdef RIPEMD160 struct rmd160_state rmd160; #endif #ifdef RIPEMD256 struct rmd256_state rmd256; #endif #ifdef RIPEMD320 struct rmd320_state rmd320; #endif void *data; } hash_state; /** hash descriptor */ extern struct ltc_hash_descriptor { /** name of hash */ char *name; /** internal ID */ unsigned char ID; /** Size of digest in octets */ unsigned long hashsize; /** Input block size in octets */ unsigned long blocksize; /** ASN.1 OID */ unsigned long OID[16]; /** Length of DER encoding */ unsigned long OIDlen; /** Init a hash state @param hash The hash to initialize @return CRYPT_OK if successful */ int (*init)(hash_state *hash); /** Process a block of data @param hash The hash state @param in The data to hash @param inlen The length of the data (octets) @return CRYPT_OK if successful */ int (*process)(hash_state *hash, const unsigned char *in, unsigned long inlen); /** Produce the digest and store it @param hash The hash state @param out [out] The destination of the digest @return CRYPT_OK if successful */ int (*done)(hash_state *hash, unsigned char *out); /** Self-test @return CRYPT_OK if successful, CRYPT_NOP if self-tests have been disabled */ int (*test)(void); /* accelerated hmac callback: if you need to-do multiple packets just use the generic hmac_memory and provide a hash callback */ int (*hmac_block)(const unsigned char *key, unsigned long keylen, const unsigned char *in, unsigned long inlen, unsigned char *out, unsigned long *outlen); } hash_descriptor[]; #ifdef CHC_HASH int chc_register(int cipher); int chc_init(hash_state * md); int chc_process(hash_state * md, const unsigned char *in, unsigned long inlen); int chc_done(hash_state * md, unsigned char *hash); int chc_test(void); extern const struct ltc_hash_descriptor chc_desc; #endif #ifdef WHIRLPOOL int whirlpool_init(hash_state * md); int whirlpool_process(hash_state * md, const unsigned char *in, unsigned long inlen); int whirlpool_done(hash_state * md, unsigned char *hash); int whirlpool_test(void); extern const struct ltc_hash_descriptor whirlpool_desc; #endif #ifdef SHA512 int sha512_init(hash_state * md); int sha512_process(hash_state * md, const unsigned char *in, unsigned long inlen); int sha512_done(hash_state * md, unsigned char *hash); int sha512_test(void); extern const struct ltc_hash_descriptor sha512_desc; #endif #ifdef SHA384 #ifndef SHA512 #error SHA512 is required for SHA384 #endif int sha384_init(hash_state * md); #define sha384_process sha512_process int sha384_done(hash_state * md, unsigned char *hash); int sha384_test(void); extern const struct ltc_hash_descriptor sha384_desc; #endif #ifdef SHA256 int sha256_init(hash_state * md); int sha256_process(hash_state * md, const unsigned char *in, unsigned long inlen); int sha256_done(hash_state * md, unsigned char *hash); int sha256_test(void); extern const struct ltc_hash_descriptor sha256_desc; #ifdef SHA224 #ifndef SHA256 #error SHA256 is required for SHA224 #endif int sha224_init(hash_state * md); #define sha224_process sha256_process int sha224_done(hash_state * md, unsigned char *hash); int sha224_test(void); extern const struct ltc_hash_descriptor sha224_desc; #endif #endif #ifdef SHA1 int sha1_init(hash_state * md); int sha1_process(hash_state * md, const unsigned char *in, unsigned long inlen); int sha1_done(hash_state * md, unsigned char *hash); int sha1_test(void); extern const struct ltc_hash_descriptor sha1_desc; #endif #ifdef MD5 int md5_init(hash_state * md); int md5_process(hash_state * md, const unsigned char *in, unsigned long inlen); int md5_done(hash_state * md, unsigned char *hash); int md5_test(void); extern const struct ltc_hash_descriptor md5_desc; #endif #ifdef MD4 int md4_init(hash_state * md); int md4_process(hash_state * md, const unsigned char *in, unsigned long inlen); int md4_done(hash_state * md, unsigned char *hash); int md4_test(void); extern const struct ltc_hash_descriptor md4_desc; #endif #ifdef MD2 int md2_init(hash_state * md); int md2_process(hash_state * md, const unsigned char *in, unsigned long inlen); int md2_done(hash_state * md, unsigned char *hash); int md2_test(void); extern const struct ltc_hash_descriptor md2_desc; #endif #ifdef TIGER int tiger_init(hash_state * md); int tiger_process(hash_state * md, const unsigned char *in, unsigned long inlen); int tiger_done(hash_state * md, unsigned char *hash); int tiger_test(void); extern const struct ltc_hash_descriptor tiger_desc; #endif #ifdef RIPEMD128 int rmd128_init(hash_state * md); int rmd128_process(hash_state * md, const unsigned char *in, unsigned long inlen); int rmd128_done(hash_state * md, unsigned char *hash); int rmd128_test(void); extern const struct ltc_hash_descriptor rmd128_desc; #endif #ifdef RIPEMD160 int rmd160_init(hash_state * md); int rmd160_process(hash_state * md, const unsigned char *in, unsigned long inlen); int rmd160_done(hash_state * md, unsigned char *hash); int rmd160_test(void); extern const struct ltc_hash_descriptor rmd160_desc; #endif #ifdef RIPEMD256 int rmd256_init(hash_state * md); int rmd256_process(hash_state * md, const unsigned char *in, unsigned long inlen); int rmd256_done(hash_state * md, unsigned char *hash); int rmd256_test(void); extern const struct ltc_hash_descriptor rmd256_desc; #endif #ifdef RIPEMD320 int rmd320_init(hash_state * md); int rmd320_process(hash_state * md, const unsigned char *in, unsigned long inlen); int rmd320_done(hash_state * md, unsigned char *hash); int rmd320_test(void); extern const struct ltc_hash_descriptor rmd320_desc; #endif int find_hash(const char *name); int find_hash_id(unsigned char ID); int find_hash_oid(const unsigned long *ID, unsigned long IDlen); int find_hash_any(const char *name, int digestlen); int register_hash(const struct ltc_hash_descriptor *hash); int unregister_hash(const struct ltc_hash_descriptor *hash); int hash_is_valid(int idx); LTC_MUTEX_PROTO(ltc_hash_mutex) int hash_memory(int hash, const unsigned char *in, unsigned long inlen, unsigned char *out, unsigned long *outlen); int hash_memory_multi(int hash, unsigned char *out, unsigned long *outlen, const unsigned char *in, unsigned long inlen, ...); int hash_filehandle(int hash, FILE *in, unsigned char *out, unsigned long *outlen); int hash_file(int hash, const char *fname, unsigned char *out, unsigned long *outlen); /* a simple macro for making hash "process" functions */ #define HASH_PROCESS(func_name, compress_name, state_var, block_size) \ int func_name (hash_state * md, const unsigned char *in, unsigned long inlen) \ { \ unsigned long n; \ int err; \ LTC_ARGCHK(md != NULL); \ LTC_ARGCHK(in != NULL); \ if (md-> state_var .curlen > sizeof(md-> state_var .buf)) { \ return CRYPT_INVALID_ARG; \ } \ while (inlen > 0) { \ if (md-> state_var .curlen == 0 && inlen >= block_size) { \ if ((err = compress_name (md, (unsigned char *)in)) != CRYPT_OK) { \ return err; \ } \ md-> state_var .length += block_size * 8; \ in += block_size; \ inlen -= block_size; \ } else { \ n = MIN(inlen, (block_size - md-> state_var .curlen)); \ memcpy(md-> state_var .buf + md-> state_var.curlen, in, (size_t)n); \ md-> state_var .curlen += n; \ in += n; \ inlen -= n; \ if (md-> state_var .curlen == block_size) { \ if ((err = compress_name (md, md-> state_var .buf)) != CRYPT_OK) { \ return err; \ } \ md-> state_var .length += 8*block_size; \ md-> state_var .curlen = 0; \ } \ } \ } \ return CRYPT_OK; \ } /* $Source: /cvs/libtom/libtomcrypt/src/headers/tomcrypt_hash.h,v $ */ /* $Revision: 1.19 $ */ /* $Date: 2006/11/05 01:36:43 $ */