X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fgc.h;h=d5147486e09098fce6f11b64ae41845f5372a742;hb=372ef2a0e94ec6ee85b5fc4bab763154ec11420d;hp=9a4c6be313f954b113bd4c9bdf53d70eec4bcf8e;hpb=9d25dd3aabd658350b8620703ec6d411696b613a;p=gnulib.git diff --git a/lib/gc.h b/lib/gc.h index 9a4c6be31..d5147486e 100644 --- a/lib/gc.h +++ b/lib/gc.h @@ -1,5 +1,5 @@ /* gc.h --- Header file for implementation agnostic crypto wrapper API. - * Copyright (C) 2002, 2003, 2004, 2005 Simon Josefsson + * Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008 Simon Josefsson * * This file is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published @@ -41,10 +41,15 @@ typedef enum Gc_rc Gc_rc; /* Hash types. */ enum Gc_hash { + GC_MD4, GC_MD5, GC_SHA1, GC_MD2, - GC_RMD160 + GC_RMD160, + GC_SHA256, + GC_SHA384, + GC_SHA512, + GC_SHA224 }; typedef enum Gc_hash Gc_hash; @@ -56,8 +61,15 @@ typedef enum Gc_hash_mode Gc_hash_mode; typedef void *gc_hash_handle; +#define GC_MD2_DIGEST_SIZE 16 +#define GC_MD4_DIGEST_SIZE 16 #define GC_MD5_DIGEST_SIZE 16 +#define GC_RMD160_DIGEST_SIZE 20 #define GC_SHA1_DIGEST_SIZE 20 +#define GC_SHA256_DIGEST_SIZE 32 +#define GC_SHA384_DIGEST_SIZE 48 +#define GC_SHA512_DIGEST_SIZE 64 +#define GC_SHA224_DIGEST_SIZE 24 /* Cipher types. */ enum Gc_cipher @@ -69,12 +81,15 @@ enum Gc_cipher GC_DES, GC_ARCFOUR128, GC_ARCFOUR40, - GC_ARCTWO40 + GC_ARCTWO40, + GC_CAMELLIA128, + GC_CAMELLIA256 }; typedef enum Gc_cipher Gc_cipher; enum Gc_cipher_mode { + GC_ECB, GC_CBC, GC_STREAM }; @@ -92,10 +107,10 @@ typedef int (*gc_secure_check_t) (const void *); typedef void *(*gc_realloc_t) (void *p, size_t n); typedef void (*gc_free_t) (void *); extern void gc_set_allocators (gc_malloc_t func_malloc, - gc_malloc_t secure_malloc, - gc_secure_check_t secure_check, - gc_realloc_t func_realloc, - gc_free_t func_free); + gc_malloc_t secure_malloc, + gc_secure_check_t secure_check, + gc_realloc_t func_realloc, + gc_free_t func_free); /* Randomness. */ extern Gc_rc gc_nonce (char *data, size_t datalen); @@ -104,27 +119,27 @@ extern Gc_rc gc_random (char *data, size_t datalen); /* Ciphers. */ extern Gc_rc gc_cipher_open (Gc_cipher cipher, Gc_cipher_mode mode, - gc_cipher_handle *outhandle); + gc_cipher_handle *outhandle); extern Gc_rc gc_cipher_setkey (gc_cipher_handle handle, - size_t keylen, const char *key); + size_t keylen, const char *key); extern Gc_rc gc_cipher_setiv (gc_cipher_handle handle, - size_t ivlen, const char *iv); + size_t ivlen, const char *iv); extern Gc_rc gc_cipher_encrypt_inline (gc_cipher_handle handle, - size_t len, char *data); + size_t len, char *data); extern Gc_rc gc_cipher_decrypt_inline (gc_cipher_handle handle, - size_t len, char *data); + size_t len, char *data); extern Gc_rc gc_cipher_close (gc_cipher_handle handle); /* Hashes. */ extern Gc_rc gc_hash_open (Gc_hash hash, Gc_hash_mode mode, - gc_hash_handle *outhandle); + gc_hash_handle *outhandle); extern Gc_rc gc_hash_clone (gc_hash_handle handle, gc_hash_handle *outhandle); extern size_t gc_hash_digest_length (Gc_hash hash); extern void gc_hash_hmac_setkey (gc_hash_handle handle, - size_t len, const char *key); + size_t len, const char *key); extern void gc_hash_write (gc_hash_handle handle, - size_t len, const char *data); + size_t len, const char *data); extern const char *gc_hash_read (gc_hash_handle handle); extern void gc_hash_close (gc_hash_handle handle); @@ -138,12 +153,14 @@ extern Gc_rc gc_hash_buffer (Gc_hash hash, const void *in, size_t inlen, char *out); /* One-call interface. */ +extern Gc_rc gc_md2 (const void *in, size_t inlen, void *resbuf); +extern Gc_rc gc_md4 (const void *in, size_t inlen, void *resbuf); extern Gc_rc gc_md5 (const void *in, size_t inlen, void *resbuf); extern Gc_rc gc_sha1 (const void *in, size_t inlen, void *resbuf); extern Gc_rc gc_hmac_md5 (const void *key, size_t keylen, - const void *in, size_t inlen, char *resbuf); + const void *in, size_t inlen, char *resbuf); extern Gc_rc gc_hmac_sha1 (const void *key, size_t keylen, - const void *in, size_t inlen, char *resbuf); + const void *in, size_t inlen, char *resbuf); /* Derive cryptographic keys from a password P of length PLEN, with salt S of length SLEN, placing the result in pre-allocated buffer @@ -151,11 +168,11 @@ extern Gc_rc gc_hmac_sha1 (const void *key, size_t keylen, larger value means this function take more time (typical iteration counts are 1000-20000). This function "stretches" the key to be exactly dkLen bytes long. GC_OK is returned on success, otherwise - an Gc_rc error code is returned. */ + a Gc_rc error code is returned. */ extern Gc_rc gc_pbkdf2_sha1 (const char *P, size_t Plen, - const char *S, size_t Slen, - unsigned int c, char *DK, size_t dkLen); + const char *S, size_t Slen, + unsigned int c, char *DK, size_t dkLen); /* TODO: