--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/headers/tomcrypt_hash.h	Sun May 08 06:36:47 2005 +0000
@@ -0,0 +1,324 @@
+/* ---- 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 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 {
+#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
+    void *data;
+} hash_state;
+
+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 DER identifier */
+    unsigned char DER[64];
+    /** Length of DER encoding */
+    unsigned long DERlen;
+    /** 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);
+} 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
+
+int find_hash(const char *name);
+int find_hash_id(unsigned char ID);
+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);
+
+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;                                                                        \
+}