abc/GmSSL
1
0
Fork 0
mirror of https://github.com/guanzhi/GmSSL.git synced 2026-05-13 11:56:28 +08:00
Code Issues Packages Projects Releases Wiki Activity

Add AEAD and GHASH functions

Browse Source
This commit is contained in:
Zhi Guan
2023-02-13 23:29:27 +08:00
parent 236c6e17cb
commit 29af4f7f76
6 changed files with 557 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
include/gmssl/aead.h
View File

@@ -15,6 +15,7 @@
#include <gmssl/sm3.h>
#include <gmssl/sm4.h>
#include <gmssl/zuc.h>
#include <gmssl/gcm.h>
#ifdef __cplusplus
extern "C" {
@@ -60,16 +61,22 @@ int sm4_ctr_sm3_hmac_decrypt_finish(SM4_CTR_SM3_HMAC_CTX *ctx, uint8_t *out, siz
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;
int sm4_gcm_encrypt_init(SM4_GCM_CTX *ctx,
const uint8_t key[SM4_KEY_SIZE], const uint8_t *iv, size_t ivlen,
const uint8_t *aad, size_t aadlen);
const uint8_t *aad, size_t aadlen, size_t taglen);
int sm4_gcm_encrypt_update(SM4_GCM_CTX *ctx, const uint8_t *in, size_t inlen, uint8_t *out, size_t *outlen);
int sm4_gcm_encrypt_finish(SM4_GCM_CTX *ctx, uint8_t *out, size_t *outlen);
int sm4_gcm_decrypt_init(SM4_GCM_CTX *ctx,
const uint8_t key[SM4_KEY_SIZE], const uint8_t *iv, size_t ivlen,
const uint8_t *aad, size_t aadlen);
const uint8_t *aad, size_t aadlen, size_t taglen);
int sm4_gcm_decrypt_update(SM4_GCM_CTX *ctx, const uint8_t *in, size_t inlen, uint8_t *out, size_t *outlen);
int sm4_gcm_decrypt_finish(SM4_GCM_CTX *ctx, uint8_t *out, size_t *outlen);