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108 lines
4.0 KiB
C
108 lines
4.0 KiB
C
/*
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* Copyright 2014-2023 The GmSSL Project. All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* not use this file except in compliance with the License.
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*/
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#ifndef GMSSL_AEAD_H
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#define GMSSL_AEAD_H
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#include <string.h>
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#include <stdint.h>
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#include <gmssl/sm3.h>
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#include <gmssl/sm4.h>
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#include <gmssl/zuc.h>
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#include <gmssl/gcm.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct {
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SM4_CBC_CTX enc_ctx;
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SM3_HMAC_CTX mac_ctx;
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uint8_t mac[SM3_HMAC_SIZE];
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size_t maclen;
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} SM4_CBC_SM3_HMAC_CTX;
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int sm4_cbc_sm3_hmac_encrypt_init(SM4_CBC_SM3_HMAC_CTX *ctx,
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const uint8_t key[SM4_KEY_SIZE + SM3_HMAC_SIZE], const uint8_t iv[SM4_BLOCK_SIZE],
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const uint8_t *aad, size_t aadlen);
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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);
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int sm4_cbc_sm3_hmac_encrypt_finish(SM4_CBC_SM3_HMAC_CTX *ctx, uint8_t *out, size_t *outlen);
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int sm4_cbc_sm3_hmac_decrypt_init(SM4_CBC_SM3_HMAC_CTX *ctx,
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const uint8_t key[SM4_KEY_SIZE + SM3_HMAC_SIZE], const uint8_t iv[SM4_BLOCK_SIZE],
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const uint8_t *aad, size_t aadlen);
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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);
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int sm4_cbc_sm3_hmac_decrypt_finish(SM4_CBC_SM3_HMAC_CTX *ctx, uint8_t *out, size_t *outlen);
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typedef struct {
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SM4_CTR_CTX enc_ctx;
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SM3_HMAC_CTX mac_ctx;
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uint8_t mac[SM3_HMAC_SIZE];
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size_t maclen;
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} SM4_CTR_SM3_HMAC_CTX;
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int sm4_ctr_sm3_hmac_encrypt_init(SM4_CTR_SM3_HMAC_CTX *ctx,
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const uint8_t key[SM4_KEY_SIZE + SM3_HMAC_SIZE], const uint8_t iv[SM4_BLOCK_SIZE],
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const uint8_t *aad, size_t aadlen);
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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);
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int sm4_ctr_sm3_hmac_encrypt_finish(SM4_CTR_SM3_HMAC_CTX *ctx, uint8_t *out, size_t *outlen);
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int sm4_ctr_sm3_hmac_decrypt_init(SM4_CTR_SM3_HMAC_CTX *ctx,
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const uint8_t key[SM4_KEY_SIZE + SM3_HMAC_SIZE], const uint8_t iv[SM4_BLOCK_SIZE],
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const uint8_t *aad, size_t aadlen);
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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);
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int sm4_ctr_sm3_hmac_decrypt_finish(SM4_CTR_SM3_HMAC_CTX *ctx, uint8_t *out, size_t *outlen);
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typedef struct {
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SM4_CTR_CTX enc_ctx;
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GHASH_CTX mac_ctx;
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uint8_t Y[16]; // E(K, Y_0)
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size_t taglen;
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uint8_t mac[16];
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size_t maclen;
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} SM4_GCM_CTX;
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int sm4_gcm_encrypt_init(SM4_GCM_CTX *ctx,
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const uint8_t key[SM4_KEY_SIZE], const uint8_t *iv, size_t ivlen,
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const uint8_t *aad, size_t aadlen, size_t taglen);
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int sm4_gcm_encrypt_update(SM4_GCM_CTX *ctx, const uint8_t *in, size_t inlen, uint8_t *out, size_t *outlen);
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int sm4_gcm_encrypt_finish(SM4_GCM_CTX *ctx, uint8_t *out, size_t *outlen);
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int sm4_gcm_decrypt_init(SM4_GCM_CTX *ctx,
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const uint8_t key[SM4_KEY_SIZE], const uint8_t *iv, size_t ivlen,
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const uint8_t *aad, size_t aadlen, size_t taglen);
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int sm4_gcm_decrypt_update(SM4_GCM_CTX *ctx, const uint8_t *in, size_t inlen, uint8_t *out, size_t *outlen);
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int sm4_gcm_decrypt_finish(SM4_GCM_CTX *ctx, uint8_t *out, size_t *outlen);
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#define ZUC_KEY_SIZE 16
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#define ZUC_IV_SIZE 16
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#define ZUC_MAC_KEY_SIZE 16
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typedef struct {
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} ZUC_WITH_MAC_CTX;
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int zuc_with_mac_encrypt_init(ZUC_WITH_MAC_CTX *ctx,
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const uint8_t key[ZUC_KEY_SIZE], const uint8_t iv[ZUC_IV_SIZE],
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const uint8_t *aad, size_t aadlen);
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int zuc_with_mac_encrypt_update(ZUC_WITH_MAC_CTX *ctx, const uint8_t *in, size_t inlen, uint8_t *out, size_t *outlen);
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int zuc_with_mac_encrypt_finish(ZUC_WITH_MAC_CTX *ctx, uint8_t *out, size_t *outlen);
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int zuc_with_mac_decrypt_init(ZUC_WITH_MAC_CTX *ctx,
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const uint8_t key[ZUC_KEY_SIZE], const uint8_t iv[ZUC_IV_SIZE],
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const uint8_t *aad, size_t aadlen);
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int zuc_with_mac_decrypt_update(ZUC_WITH_MAC_CTX *ctx, const uint8_t *in, size_t inlen, uint8_t *out, size_t *outlen);
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int zuc_with_mac_decrypt_finish(ZUC_WITH_MAC_CTX *ctx, uint8_t *out, size_t *outlen);
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#ifdef __cplusplus
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}
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#endif
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#endif
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