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Add hash interface and SHA-{384,512} implementations

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This commit is contained in:
Lucas Gabriel Vuotto 2024-06-06 12:40:38 +00:00
parent f511cddf0d
commit 216ef8f940
10 changed files with 680 additions and 5 deletions
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27
lilcrypto.h
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@ -23,6 +23,10 @@
* Constants.
*/
/* Hashes. */
#define LC_SHA384_HASHLEN 48
#define LC_SHA512_HASHLEN 64
/* Authentitcation. */
#define LC_POLY1305_KEYLEN 32
#define LC_POLY1305_TAGLEN 16
@ -40,7 +44,28 @@ uint32_t lc_ct_cmp(const uint8_t *, const uint8_t *, size_t);
/*
* Message authentication code.
* Hashes.
*/
struct lc_hash_ctx;
struct lc_hash_impl;
int lc_hash_init(struct lc_hash_ctx *);
int lc_hash_update(struct lc_hash_ctx *, const uint8_t *, size_t);
int lc_hash_final(struct lc_hash_ctx *, uint8_t *, size_t *);
int lc_hash(const struct lc_hash_impl *, uint8_t *, size_t *,
const uint8_t *, size_t);
struct lc_hash_ctx *lc_hash_ctx_new(const struct lc_hash_impl *);
void lc_hash_ctx_free(struct lc_hash_ctx *);
const struct lc_hash_impl *lc_hash_impl_sha384(void);
const struct lc_hash_impl *lc_hash_impl_sha512(void);
/*
* Authentication.
*/
struct lc_auth_ctx;