aboutsummaryrefslogtreecommitdiffstats
path: root/libhashsum.h
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--libhashsum.h267
1 files changed, 56 insertions, 211 deletions
diff --git a/libhashsum.h b/libhashsum.h
index 65c3a66..d1a9f64 100644
--- a/libhashsum.h
+++ b/libhashsum.h
@@ -3,20 +3,6 @@
#define LIBHASHSUM_H
#include <stddef.h>
-#include <stdint.h>
-
-#ifdef LIBHASHSUM_INCLUDE_LIBSHA1_STATE
-# include <libsha1.h>
-#endif
-#ifdef LIBHASHSUM_INCLUDE_LIBSHA2_STATE
-# include <libsha2.h>
-#endif
-#ifdef LIBHASHSUM_INCLUDE_LIBKECCAK_STATE
-# include <libkeccak.h>
-#endif
-#ifdef LIBHASHSUM_INCLUDE_LIBBLAKE_STATE
-# include <libblake.h>
-#endif
#if defined(__GNUC__)
@@ -31,50 +17,6 @@
/**
- * Hashing algorithm
- *
- * @since 1.0
- */
-enum libhashsum_algorithm {
- /* since 1.0 */
- LIBHASHSUM_MD2, /**< MD2; this algorithm has been theoretically compromised */
- LIBHASHSUM_MD4, /**< MD4; this algorithm has been compromised */
- LIBHASHSUM_MD5, /**< MD5; this algorithm has been compromised */
- LIBHASHSUM_RIPEMD_128, /**< RIPEMD-128 */
- LIBHASHSUM_RIPEMD_160, /**< RIPEMD-160 */
- LIBHASHSUM_RIPEMD_256, /**< RIPEMD-256 */
- LIBHASHSUM_RIPEMD_320, /**< RIPEMD-320 */
- LIBHASHSUM_SHA0, /**< SHA0; this algorithm has been compromised */
- LIBHASHSUM_SHA1, /**< SHA1; this algorithm has been compromised */
- LIBHASHSUM_SHA_224, /**< SHA-224 (SHA2) */
- LIBHASHSUM_SHA_256, /**< SHA-256 (SHA2) */
- LIBHASHSUM_SHA_384, /**< SHA-384 (SHA2) */
- LIBHASHSUM_SHA_512, /**< SHA-512 (SHA2) */
- LIBHASHSUM_SHA_512_224, /**< SHA-512/224 (SHA2) */
- LIBHASHSUM_SHA_512_256, /**< SHA-512/256 (SHA2) */
- LIBHASHSUM_KECCAK, /**< Keccak[] */
- LIBHASHSUM_KECCAK_224, /**< Keccak-224 */
- LIBHASHSUM_KECCAK_256, /**< Keccak-256 */
- LIBHASHSUM_KECCAK_384, /**< Keccak-384 */
- LIBHASHSUM_KECCAK_512, /**< Keccak-512 */
- LIBHASHSUM_SHA3_224, /**< SHA3-224 */
- LIBHASHSUM_SHA3_256, /**< SHA3-256 */
- LIBHASHSUM_SHA3_384, /**< SHA3-384 */
- LIBHASHSUM_SHA3_512, /**< SHA3-512 */
- LIBHASHSUM_SHAKE128, /**< SHAKE128 */
- LIBHASHSUM_SHAKE256, /**< SHAKE256 */
- LIBHASHSUM_SHAKE512, /**< SHAKE512 */
- LIBHASHSUM_RAWSHAKE128, /**< RawSHAKE128 */
- LIBHASHSUM_RAWSHAKE256, /**< RawSHAKE256 */
- LIBHASHSUM_RAWSHAKE512, /**< RawSHAKE512 */
- LIBHASHSUM_BLAKE224, /**< BLAKE224 (BLAKE, BLAKEs) */
- LIBHASHSUM_BLAKE256, /**< BLAKE256 (BLAKE, BLAKEs) */
- LIBHASHSUM_BLAKE384, /**< BLAKE384 (BLAKE, BLAKEb) */
- LIBHASHSUM_BLAKE512 /**< BLAKE512 (BLAKE, BLAKEb) */
-};
-
-
-/**
* The value of `struct libhashsum_hasher.hash_size` for `LIBHASHSUM_MD2`
*
* @since 1.0
@@ -240,7 +182,7 @@ enum libhashsum_algorithm {
*
* @since 1.0
*/
-#define LIBHASHSUM_SHAKE_128_HASH_SIZE 28
+#define LIBHASHSUM_SHAKE_128_HASH_SIZE 16
/**
* The value of `struct libhashsum_hasher.hash_size` for `LIBHASHSUM_SHAKE_256`
@@ -261,7 +203,7 @@ enum libhashsum_algorithm {
*
* @since 1.0
*/
-#define LIBHASHSUM_RAWSHAKE_128_HASH_SIZE 28
+#define LIBHASHSUM_RAWSHAKE_128_HASH_SIZE 16
/**
* The value of `struct libhashsum_hasher.hash_size` for `LIBHASHSUM_RAWSHAKE_256`
@@ -312,152 +254,50 @@ enum libhashsum_algorithm {
#endif
-/**
- * Hash state
- *
- * For internal use
- */
-union libhashsum_state {
- struct {
- unsigned char x[32];
- unsigned char mp[16];
- unsigned char mz[16];
- unsigned char sum[16];
- unsigned t;
- } md2; /* size = [82, 88] */
-
- struct {
- union {
- uint32_t h32[4];
- uint8_t sum[16];
- } h;
- union {
- uint32_t m32[16];
- uint8_t m8[64];
- } m;
- uint64_t count;
- } md4; /* size = 70 */
-
- struct {
- union {
- uint32_t h32[4];
- uint8_t sum[16];
- } h;
- uint8_t m[64];
- uint32_t w[16];
- uint64_t count;
- } md5; /* size = 152 */
-
- struct {
- union {
- uint32_t h32[4];
- uint8_t sum[16];
- } h;
- union {
- uint32_t m32[16];
- uint8_t m8[64];
- } m;
- uint64_t count;
- } ripemd_128; /* size = 88 */
-
- struct {
- union {
- uint32_t h32[5];
- uint8_t sum[20];
- } h;
- union {
- uint32_t m32[16];
- uint8_t m8[64];
- } m;
- uint32_t w1[5];
- uint32_t w2[5];
- uint64_t count;
- } ripemd_160; /* size = 132 */
-
- struct {
- union {
- uint32_t h32[8];
- uint8_t sum[32];
- } h;
- union {
- uint32_t m32[16];
- uint8_t m8[64];
- } m;
- uint64_t count;
- } ripemd_256; /* size = 104 */
-
- struct {
- union {
- uint32_t h32[10];
- uint8_t sum[40];
- } h;
- union {
- uint32_t m32[16];
- uint8_t m8[64];
- } m;
- uint32_t w1[5];
- uint32_t w2[5];
- uint64_t count;
- } ripemd_320; /* size = 152 */
-
-#ifdef LIBHASHSUM_INCLUDE_LIBSHA1_STATE
- struct {
- struct libsha1_state s;
- uint8_t sum[20];
- } sha0, sha1; /* size = [432, 440] */
-#endif
-
-#ifdef LIBHASHSUM_INCLUDE_LIBSHA2_STATE
- struct {
- struct libsha2_state s;
- uint8_t sum[64];
- } sha2; /* size = [1612, 1624] */
-#endif
-
-#ifdef LIBHASHSUM_INCLUDE_LIBKECCAK_STATE
- struct {
- struct libkeccak_state s;
- union {
- uint8_t buf[512];
- uint8_t *dyn;
- } sum;
- const char *suffix;
- size_t squeezes;
- char algostr[256];
- } keccak; /* size = [1024, 1072] */
-#endif
-
-#ifdef LIBHASHSUM_INCLUDE_LIBBLAKE_STATE
- struct {
- struct libblake_blake224_state s;
- uint8_t buf[128];
- char algostr[49];
- } blake224; /* size = 233 */
-
- struct {
- struct libblake_blake256_state s;
- uint8_t buf[128];
- char algostr[49];
- } blake256; /* size = 233 */
-
- struct {
- struct libblake_blake384_state s;
- uint8_t buf[256];
- char algostr[81];
- } blake384; /* size = 449 */
-
- struct {
- struct libblake_blake512_state s;
- uint8_t buf[256];
- char algostr[81];
- } blake512; /* size = 449 */
-#endif
+#include "libhashsum/internal.h"
- /* libblake: 48(2s), 96(2b), 144(2Xs), 276(2Xb) */
- char max_size[1648];
-#define libhashsum_init_hasher libhashsum_init_hasher__1648
-#define libhashsum_init_hasher_from_string libhashsum_init_hasher_from_string__1648
+/**
+ * Hashing algorithm
+ *
+ * @since 1.0
+ */
+enum libhashsum_algorithm {
+ /* since 1.0 */
+ LIBHASHSUM_MD2, /**< MD2; this algorithm has been theoretically compromised */
+ LIBHASHSUM_MD4, /**< MD4; this algorithm has been compromised */
+ LIBHASHSUM_MD5, /**< MD5; this algorithm has been compromised */
+ LIBHASHSUM_RIPEMD_128, /**< RIPEMD-128 */
+ LIBHASHSUM_RIPEMD_160, /**< RIPEMD-160 */
+ LIBHASHSUM_RIPEMD_256, /**< RIPEMD-256 */
+ LIBHASHSUM_RIPEMD_320, /**< RIPEMD-320 */
+ LIBHASHSUM_SHA0, /**< SHA0; this algorithm has been compromised */
+ LIBHASHSUM_SHA1, /**< SHA1; this algorithm has been compromised */
+ LIBHASHSUM_SHA_224, /**< SHA-224 (SHA2) */
+ LIBHASHSUM_SHA_256, /**< SHA-256 (SHA2) */
+ LIBHASHSUM_SHA_384, /**< SHA-384 (SHA2) */
+ LIBHASHSUM_SHA_512, /**< SHA-512 (SHA2) */
+ LIBHASHSUM_SHA_512_224, /**< SHA-512/224 (SHA2) */
+ LIBHASHSUM_SHA_512_256, /**< SHA-512/256 (SHA2) */
+ LIBHASHSUM_KECCAK, /**< Keccak[] */
+ LIBHASHSUM_KECCAK_224, /**< Keccak-224 */
+ LIBHASHSUM_KECCAK_256, /**< Keccak-256 */
+ LIBHASHSUM_KECCAK_384, /**< Keccak-384 */
+ LIBHASHSUM_KECCAK_512, /**< Keccak-512 */
+ LIBHASHSUM_SHA3_224, /**< SHA3-224 */
+ LIBHASHSUM_SHA3_256, /**< SHA3-256 */
+ LIBHASHSUM_SHA3_384, /**< SHA3-384 */
+ LIBHASHSUM_SHA3_512, /**< SHA3-512 */
+ LIBHASHSUM_SHAKE128, /**< SHAKE128 */
+ LIBHASHSUM_SHAKE256, /**< SHAKE256 */
+ LIBHASHSUM_SHAKE512, /**< SHAKE512 */
+ LIBHASHSUM_RAWSHAKE128, /**< RawSHAKE128 */
+ LIBHASHSUM_RAWSHAKE256, /**< RawSHAKE256 */
+ LIBHASHSUM_RAWSHAKE512, /**< RawSHAKE512 */
+ LIBHASHSUM_BLAKE224, /**< BLAKE224 (BLAKE, BLAKEs) */
+ LIBHASHSUM_BLAKE256, /**< BLAKE256 (BLAKE, BLAKEs) */
+ LIBHASHSUM_BLAKE384, /**< BLAKE384 (BLAKE, BLAKEb) */
+ LIBHASHSUM_BLAKE512 /**< BLAKE512 (BLAKE, BLAKEb) */
};
@@ -638,7 +478,7 @@ struct libhashsum_hasher {
* @since 1.0
*/
LIBHASHSUM_1_NONNULL_
-int libhashsum_init_hasher(struct libhashsum_hasher *this, enum libhashsum_algorithm algorithm);
+int libhashsum_init_hasher(struct libhashsum_hasher *this, enum libhashsum_algorithm algorithm); /* TODO test */
/**
* Inspect a hashing algorithm string to identify
@@ -652,7 +492,7 @@ int libhashsum_init_hasher(struct libhashsum_hasher *this, enum libhashsum_algor
* @since 1.0
*/
LIBHASHSUM_NONNULL_
-int libhashsum_get_algorithm_string(enum libhashsum_algorithm *algorithm_out, const char *algorithm);
+int libhashsum_get_algorithm_from_string(enum libhashsum_algorithm *algorithm_out, const char *algorithm); /* TODO test */
/**
* Create an initialised state for a hash algorithm
@@ -662,7 +502,8 @@ int libhashsum_get_algorithm_string(enum libhashsum_algorithm *algorithm_out, co
* @param algorithm The hashing algorithm and parameters
* @return 0 on success, -1 on failure
*
- * @throws EINVAL `algorithm` is not recognised or contains an invalid value
+ * @throws EINVAL `algorithm` is not recognised or contains an invalid
+ * parameter or an invalid combination of parameters
* @throws ENOSYS Support for `algorithm` was excluded at compile time
* @throws ENOSYS The `algorithm` requires a newer version of the library
* that application was compiled for (the application
@@ -675,7 +516,7 @@ int libhashsum_get_algorithm_string(enum libhashsum_algorithm *algorithm_out, co
* @since 1.0
*/
LIBHASHSUM_NONNULL_
-int libhashsum_init_hasher_from_string(struct libhashsum_hasher *this, const char *algorithm);
+int libhashsum_init_hasher_from_string(struct libhashsum_hasher *this, const char *algorithm); /* TODO test */
/**
* Create an initialised state for MD2
@@ -775,6 +616,10 @@ int libhashsum_init_ripemd_256_hasher(struct libhashsum_hasher *this);
LIBHASHSUM_1_NONNULL_
int libhashsum_init_ripemd_320_hasher(struct libhashsum_hasher *this);
+/* there is no `libhashsum_init_ripemd_hasher` because this can
+ * be confused with the proprietary hash function RIPEMD, which
+ * is the predecessor to RIPEMD-{128,160,256,320} */
+
/**
* Create an initialised state for SHA0
* hashing and return hash functions and details
@@ -1252,7 +1097,7 @@ int libhashsum_init_blake256_hasher(struct libhashsum_hasher *this, const void *
* @since 1.0
*/
LIBHASHSUM_1_NONNULL_
-int libhashsum_init_blakes_hasher(struct libhashsum_hasher *this, size_t hashbits, const void *salt);
+int libhashsum_init_blakes_hasher(struct libhashsum_hasher *this, size_t hashbits, const void *salt); /* TODO test */
/**
* Create an initialised state for BLAKE384 (BLAKE, BLAKEb)
@@ -1299,7 +1144,7 @@ int libhashsum_init_blake512_hasher(struct libhashsum_hasher *this, const void *
* @since 1.0
*/
LIBHASHSUM_1_NONNULL_
-int libhashsum_init_blakeb_hasher(struct libhashsum_hasher *this, size_t hashbits, const void *salt);
+int libhashsum_init_blakeb_hasher(struct libhashsum_hasher *this, size_t hashbits, const void *salt); /* TODO test */
/**
* Create an initialised state for BLAKE
@@ -1321,7 +1166,7 @@ int libhashsum_init_blakeb_hasher(struct libhashsum_hasher *this, size_t hashbit
* @since 1.0
*/
LIBHASHSUM_1_NONNULL_
-int libhashsum_init_blake_hasher(struct libhashsum_hasher *this, size_t hashbits, const void *salt, size_t saltbytes);
+int libhashsum_init_blake_hasher(struct libhashsum_hasher *this, size_t hashbits, const void *salt, size_t saltbytes); /* TODO test */
#endif
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-16 00:38:44 +0000