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- /*
- * Copyright 2014-2023 The GmSSL Project. All Rights Reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the License); you may
- * not use this file except in compliance with the License.
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- */
- #ifndef GMSSL_AEAD_H
- #define GMSSL_AEAD_H
- #include <string.h>
- #include <stdint.h>
- #include <gmssl/sm3.h>
- #include <gmssl/sm4.h>
- #include <gmssl/gcm.h>
- #include <gmssl/api.h>
- #ifdef __cplusplus
- extern "C" {
- #endif
- typedef struct {
- SM4_CBC_CTX enc_ctx;
- SM3_HMAC_CTX mac_ctx;
- uint8_t mac[SM3_HMAC_SIZE];
- size_t maclen;
- } SM4_CBC_SM3_HMAC_CTX;
- #define SM4_CBC_SM3_HMAC_KEY_SIZE 48
- #define SM4_CBC_SM3_HMAC_IV_SIZE 16
- _gmssl_export int sm4_cbc_sm3_hmac_encrypt_init(SM4_CBC_SM3_HMAC_CTX *ctx,
- const uint8_t *key, size_t keylen, const uint8_t *iv, size_t ivlen,
- const uint8_t *aad, size_t aadlen);
- _gmssl_export int sm4_cbc_sm3_hmac_encrypt_update(SM4_CBC_SM3_HMAC_CTX *ctx,
- const uint8_t *in, size_t inlen, uint8_t *out, size_t *outlen);
- _gmssl_export int sm4_cbc_sm3_hmac_encrypt_finish(SM4_CBC_SM3_HMAC_CTX *ctx,
- uint8_t *out, size_t *outlen);
- _gmssl_export int sm4_cbc_sm3_hmac_decrypt_init(SM4_CBC_SM3_HMAC_CTX *ctx,
- const uint8_t *key, size_t keylen, const uint8_t *iv, size_t ivlen,
- const uint8_t *aad, size_t aadlen);
- _gmssl_export int sm4_cbc_sm3_hmac_decrypt_update(SM4_CBC_SM3_HMAC_CTX *ctx,
- const uint8_t *in, size_t inlen, uint8_t *out, size_t *outlen);
- _gmssl_export int sm4_cbc_sm3_hmac_decrypt_finish(SM4_CBC_SM3_HMAC_CTX *ctx,
- uint8_t *out, size_t *outlen);
- typedef struct {
- SM4_CTR_CTX enc_ctx;
- SM3_HMAC_CTX mac_ctx;
- uint8_t mac[SM3_HMAC_SIZE];
- size_t maclen;
- } SM4_CTR_SM3_HMAC_CTX;
- #define SM4_CTR_SM3_HMAC_KEY_SIZE 48
- #define SM4_CTR_SM3_HMAC_IV_SIZE 16
- _gmssl_export int sm4_ctr_sm3_hmac_encrypt_init(SM4_CTR_SM3_HMAC_CTX *ctx,
- const uint8_t *key, size_t keylen, const uint8_t *iv, size_t ivlen,
- const uint8_t *aad, size_t aadlen);
- _gmssl_export int sm4_ctr_sm3_hmac_encrypt_update(SM4_CTR_SM3_HMAC_CTX *ctx,
- const uint8_t *in, size_t inlen, uint8_t *out, size_t *outlen);
- _gmssl_export int sm4_ctr_sm3_hmac_encrypt_finish(SM4_CTR_SM3_HMAC_CTX *ctx,
- uint8_t *out, size_t *outlen);
- _gmssl_export int sm4_ctr_sm3_hmac_decrypt_init(SM4_CTR_SM3_HMAC_CTX *ctx,
- const uint8_t *key, size_t keylen, const uint8_t *iv, size_t ivlen,
- const uint8_t *aad, size_t aadlen);
- _gmssl_export int sm4_ctr_sm3_hmac_decrypt_update(SM4_CTR_SM3_HMAC_CTX *ctx,
- const uint8_t *in, size_t inlen, uint8_t *out, size_t *outlen);
- _gmssl_export int sm4_ctr_sm3_hmac_decrypt_finish(SM4_CTR_SM3_HMAC_CTX *ctx,
- uint8_t *out, size_t *outlen);
- typedef struct {
- SM4_CTR_CTX enc_ctx;
- GHASH_CTX mac_ctx;
- uint8_t Y[16]; // E(K, Y_0)
- size_t taglen;
- uint8_t mac[16];
- size_t maclen;
- } SM4_GCM_CTX;
- #define SM4_GCM_KEY_SIZE 16
- #define SM4_GCM_MIN_IV_SIZE 1
- #define SM4_GCM_DEFAULT_IV_SIZE 12
- #define SM4_GCM_MAX_IV_SIZE 64
- #define SM4_GCM_DEFAULT_TAG_SIZE 16
- _gmssl_export int sm4_gcm_encrypt_init(SM4_GCM_CTX *ctx,
- const uint8_t *key, size_t keylen, const uint8_t *iv, size_t ivlen,
- const uint8_t *aad, size_t aadlen, size_t taglen);
- _gmssl_export int sm4_gcm_encrypt_update(SM4_GCM_CTX *ctx,
- const uint8_t *in, size_t inlen, uint8_t *out, size_t *outlen);
- _gmssl_export int sm4_gcm_encrypt_finish(SM4_GCM_CTX *ctx,
- uint8_t *out, size_t *outlen);
- _gmssl_export int sm4_gcm_decrypt_init(SM4_GCM_CTX *ctx,
- const uint8_t *key, size_t keylen, const uint8_t *iv, size_t ivlen,
- const uint8_t *aad, size_t aadlen, size_t taglen);
- _gmssl_export int sm4_gcm_decrypt_update(SM4_GCM_CTX *ctx,
- const uint8_t *in, size_t inlen, uint8_t *out, size_t *outlen);
- _gmssl_export int sm4_gcm_decrypt_finish(SM4_GCM_CTX *ctx,
- uint8_t *out, size_t *outlen);
- #ifdef __cplusplus
- }
- #endif
- #endif
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