diff options
author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2012-11-09 07:12:00 +0000 |
---|---|---|
committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2012-11-09 07:12:00 +0000 |
commit | 525cb66467ff22a50f2e6bf307924459d38cd592 (patch) | |
tree | cdf539d08cb2ac619a0376e7241f2b19eccd06b5 /siphash.h | |
parent | fdbd3716781817c840544796d04a7d41b856d9f4 (diff) | |
download | ruby-525cb66467ff22a50f2e6bf307924459d38cd592.tar.gz |
siphash
* random.c (rb_memhash): use siphash.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37585 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'siphash.h')
-rw-r--r-- | siphash.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/siphash.h b/siphash.h new file mode 100644 index 0000000000..2a06f32371 --- /dev/null +++ b/siphash.h @@ -0,0 +1,44 @@ +#ifndef SIPHASH_H +#define SIPHASH_H 1 +#include <stdlib.h> +#include <stdint.h> +#include <inttypes.h> + +#ifndef HAVE_UINT64_T +typedef struct { + uint32_t u32[2]; +} sip_uint64_t; +#define uint64_t sip_uint64_t +#else +typedef uint64_t sip_uint64_t; +#endif + +typedef struct { + int c; + int d; + uint64_t v[4]; + uint8_t buf[sizeof(uint64_t)]; + uint8_t buflen; + uint8_t msglen_byte; +} sip_state; + +typedef struct sip_interface_st sip_interface; + +typedef struct { + sip_state state[1]; + const sip_interface *methods; +} sip_hash; + +sip_hash *sip_hash_new(const uint8_t key[16], int c, int d); +sip_hash *sip_hash_init(sip_hash *h, const uint8_t key[16], int c, int d); +int sip_hash_update(sip_hash *h, const uint8_t *data, size_t len); +int sip_hash_final(sip_hash *h, uint8_t **digest, size_t *len); +int sip_hash_final_integer(sip_hash *h, uint64_t *digest); +int sip_hash_digest(sip_hash *h, const uint8_t *data, size_t data_len, uint8_t **digest, size_t *digest_len); +int sip_hash_digest_integer(sip_hash *h, const uint8_t *data, size_t data_len, uint64_t *digest); +void sip_hash_free(sip_hash *h); +void sip_hash_dump(sip_hash *h); + +uint64_t sip_hash24(const uint8_t key[16], const uint8_t *data, size_t len); + +#endif |