20#ifndef LC_ASCON_KECCAK_H
21#define LC_ASCON_KECCAK_H
31#define LC_AK_STATE_SIZE (LC_SHA3_STATE_SIZE + LC_ASCON_ALIGNMENT)
32#define LC_AK_CTX_SIZE(x) \
33 (sizeof(struct lc_aead) + sizeof(struct lc_ascon_cryptor) + \
63 struct lc_aead_ctx **ctx);
75#define LC_AK_CTX_ON_STACK(name, hash) \
76 _Pragma("GCC diagnostic push") \
77 _Pragma("GCC diagnostic ignored \"-Wvla\"") _Pragma( \
78 "GCC diagnostic ignored \"-Wdeclaration-after-statement\"") \
79 LC_ALIGNED_BUFFER(name##_ctx_buf, \
80 LC_AK_CTX_SIZE(hash), \
81 LC_ASCON_ALIGNMENT); \
82 struct lc_aead_ctx *name = (struct lc_aead_ctx *)name##_ctx_buf; \
83 LC_ASCON_SET_CTX(name, hash); \
84 struct lc_ascon_cryptor *__name_ascon_crypto = name->aead_state; \
85 __name_ascon_crypto->statesize = LC_SHA3_STATE_SIZE; \
86 __name_ascon_crypto->taglen = 16; \
87 _Pragma("GCC diagnostic pop")
100#define LC_AK_CTX_ON_STACK_TAGLEN(name, hash, tagsize) \
101 _Pragma("GCC diagnostic push") \
102 _Pragma("GCC diagnostic ignored \"-Wvla\"") _Pragma( \
103 "GCC diagnostic ignored \"-Wdeclaration-after-statement\"") \
104 LC_ALIGNED_BUFFER(name##_ctx_buf, \
105 LC_AK_CTX_SIZE(hash), \
106 LC_ASCON_ALIGNMENT); \
107 struct lc_aead_ctx *name = (struct lc_aead_ctx *)name##_ctx_buf; \
108 LC_ASCON_SET_CTX(name, hash); \
109 struct lc_ascon_cryptor *__name_ascon_crypto = name->aead_state; \
110 __name_ascon_crypto->statesize = LC_SHA3_STATE_SIZE; \
111 __name_ascon_crypto->taglen = tagsize; \
112 _Pragma("GCC diagnostic pop")
void lc_hash(const struct lc_hash *hash, const uint8_t *in, size_t inlen, uint8_t *digest)
Calculate message digest - one-shot.
int lc_ak_alloc(const struct lc_hash *hash, struct lc_aead_ctx **ctx)
Allocate Ascon Keccak cryptor context on heap.
int lc_ak_alloc_taglen(const struct lc_hash *hash, uint8_t taglen, struct lc_aead_ctx **ctx)
Allocate Ascon Keccak cryptor context on heap.