gmssl 2.0测试sm2加解密、签名 sm3摘要

/* update time : author : create by helloworld need: GmSSL 2.0 - OpenSSL 1.1.0d 26 Jan 2017 */ #include <stdio.h> #include <stdlib.h> #include <string.h> #include <openssl/bn.h> #include <openssl/ec.h> #include <openssl/evp.h> #include <openssl/rand.h> #include <openssl/engine.h> #include <openssl/pem.h> #include <openssl/err.h> #include <openssl/bio.h> #include <openssl/rand.h> #include <openssl/sm2.h> #define ERROR(...) \ do{ \ fprintf(stderr, "[ERROR ]%s %s(Line %d): ",__FILE__,__FUNCTION__,__LINE__); \ fprintf(stderr, __VA_ARGS__); \ printf("\n"); \ }while(0) ; #define INFO(...) \ do{ \ fprintf(stdout, "[INFO ]%s %s(Line %d): ",__FILE__,__FUNCTION__,__LINE__); \ fprintf(stdout, __VA_ARGS__); \ printf("\n"); \ }while(0) ; void print_arr(const char *string, unsigned char*data, int size) { int i; printf("---------------------------------------------\n"); printf("%s len=%d\n", string,size); for(i=0; i<size; i++) { printf("%02x ", data[i]); if((i%16) == 15) printf("\n"); } if(size%16) printf("\n"); printf("---------------------------------------------\n"); } BIO *bio_err ; BIO *bio_stdout ; char g_pubkey[] = "" "-----BEGIN PUBLIC KEY-----\r\n" "MFkwEwYHKoZIzj0CAQYIKoEcz1UBgi0DQgAEu4kSnox0T5SND9KGGlpTvcQ5hiz0\r\n" "Wm7kigVRTEc0+5wrSoyvnZYuYKLFSSzK2ZbMH+etX7UeRSiPplD63fChNw==\r\n" "-----END PUBLIC KEY-----\r\n" ""; char g_prikey[] = "" "-----BEGIN PRIVATE KEY-----\r\n" "MIGHAgEAMBMGByqGSM49AgEGCCqBHM9VAYItBG0wawIBAQQgQnx5UCnYOJv558pc\r\n" "rU9mgorePGbbF8/JxsR9N8LrKAmhRANCAAS7iRKejHRPlI0P0oYaWlO9xDmGLPRa\r\n" "buSKBVFMRzT7nCtKjK+dli5gosVJLMrZlswf561ftR5FKI+mUPrd8KE3\r\n" "-----END PRIVATE KEY-----\r\n" ""; static EVP_PKEY *getPEMPublicKeyFromBuf(const char* buf,size_t len) { EVP_PKEY *pkey = NULL; BIO* key = NULL; key = BIO_new(BIO_s_mem()); BIO_write(key,buf,len); BIO_seek(key,0); pkey = PEM_read_bio_PUBKEY(key, NULL, 0, NULL); BIO_free(key); return pkey; } static EVP_PKEY *getPEMPrivateKeyFromBuf(const char* buf,size_t len) { EVP_PKEY *pkey = NULL; BIO* key = NULL; key = BIO_new(BIO_s_mem()); BIO_write(key,buf,len); BIO_seek(key,0); pkey = PEM_read_bio_PrivateKey(key, NULL, 0, NULL); BIO_free(key); return pkey; } static int test_sm2_encrypt(EVP_PKEY *pkey, unsigned char *cbuf, size_t buflen,unsigned char * out ,size_t* poutlen) { int ret = 0; if(SM2_encrypt_with_recommended(cbuf, buflen, out, poutlen, EVP_PKEY_get0_EC_KEY(pkey)) != 1){ ERR_print_errors_fp(stderr); printf("SM2_encrypt_with_recommended failed \n"); ret = -1; goto end; } size_t i; printf("ciphertext (%d bytes) = \n", *poutlen); for (i = 0; i < *poutlen; i++) { printf("%02X ", out[i]); if(i % 16 == 15){ printf("\n"); } } printf("\n"); ret = 1; end: return ret; } static int test_sm2_decrypt(EVP_PKEY *pkey, unsigned char *cbuf, size_t cbuflen) { int ret = 0; unsigned char mbuf[1024]; size_t mbuflen = sizeof(mbuf); memset(mbuf, 0, sizeof(mbuf)); if (!SM2_decrypt_with_recommended(cbuf, cbuflen,mbuf, &mbuflen, EVP_PKEY_get0_EC_KEY(pkey))) { fprintf(stderr, "error: %s %d\n", __FILE__, __LINE__); ERR_print_errors_fp(stderr); goto end; } printf("decrypted message = %s\n", mbuf); ret = 1; end: return ret; } static int test_evp_pkey_sign(EVP_PKEY *pkey, unsigned char *cbuf, size_t cbuflen,unsigned char * out, size_t *poutlen) { int ret = 0; EVP_PKEY_CTX *pkctx = NULL; if (!(pkctx = EVP_PKEY_CTX_new(pkey, NULL))) { fprintf(stderr, "error: %s %d\n", __FILE__, __LINE__); goto end; } if (!EVP_PKEY_sign_init(pkctx)) { fprintf(stderr, "error: %s %d\n", __FILE__, __LINE__); goto end; } if (!EVP_PKEY_sign(pkctx, out, poutlen, cbuf, cbuflen)) { ERR_print_errors_fp(stderr); fprintf(stderr, "error: %s %d\n", __FILE__, __LINE__); goto end; } size_t i; printf("sign data ciphertext (%d bytes) = \n", *poutlen); for (i = 0; i < *poutlen; i++) { printf("%02X ", out[i]); if(i % 16 == 15){ printf("\n"); } } printf("\n"); ret = 1; end: EVP_PKEY_CTX_free(pkctx); return ret; } static int test_evp_pkey_verify_sign(EVP_PKEY *pkey,unsigned char* buf,size_t buflen ,unsigned char *signbuf, size_t signlen) { int ret = 0; EVP_PKEY_CTX *pkctx = NULL; if (!(pkctx = EVP_PKEY_CTX_new(pkey, NULL))) { ERR_print_errors_fp(stderr); fprintf(stderr, "error: %s %d\n", __FILE__, __LINE__); goto end; } if (!EVP_PKEY_verify_init(pkctx)) { ERR_print_errors_fp(stderr); fprintf(stderr, "error: %s %d\n", __FILE__, __LINE__); goto end; } if (!EVP_PKEY_verify(pkctx, signbuf, signlen, buf, buflen)) { fprintf(stderr, "error: %s %d\n", __FILE__, __LINE__); goto end; } else { printf("verify sign OK\n"); } ret = 1; end: EVP_PKEY_CTX_free(pkctx); return ret; } int sm3Test(){ EVP_MD_CTX *mdctx; const EVP_MD *md; unsigned char mess1[] = "1234567812345678"; unsigned char md_value[EVP_MAX_MD_SIZE] = {0}; int md_len, i; md = EVP_get_digestbyname("sm3"); if(!md) { return -1; } mdctx = EVP_MD_CTX_new(); //allocates, initializes and returns a digest context. EVP_DigestInit_ex(mdctx, md, NULL); //sets up digest context ctx to use a digest type from ENGINE impl. EVP_DigestUpdate(mdctx, mess1, 64); //hashes cnt bytes of data at d into the digest context ctx. EVP_DigestFinal_ex(mdctx, md_value, (unsigned int *)&md_len);//retrieves the digest value from ctx and places it in md. EVP_MD_CTX_free(mdctx); printf("sm3 Digest is: \n"); for (i = 0; i < md_len; i++){ printf("%02x ", md_value[i]); if(i % 16 == 15){ printf("\n"); } } printf("\n"); return 0; } int main(){ unsigned char buf[]= "1234567812345678"; unsigned char out[1024]={0}; size_t outlen = 1024; unsigned char signdata[1024]={0}; size_t signlen = 1024; size_t buflen = strlen((char*)buf); BIO *bio_err = BIO_new_fp(stderr, BIO_NOCLOSE | BIO_FP_TEXT); BIO *bio_stdout = BIO_new_fp(stdout, BIO_NOCLOSE | BIO_FP_TEXT); EVP_PKEY* privKey = getPEMPrivateKeyFromBuf(g_prikey,strlen(g_prikey)); EVP_PKEY* pubKey = getPEMPublicKeyFromBuf(g_pubkey,strlen(g_pubkey)); //加密 test_sm2_encrypt(pubKey, buf, buflen,out,&outlen); //解密 test_sm2_decrypt(privKey,out, outlen); //sm3摘要 sm3Test(); putchar('\n'); //sm2签名 test_evp_pkey_sign(privKey,buf,buflen,signdata,&signlen); //sm2验签 test_evp_pkey_verify_sign(pubKey,buf,buflen,signdata,signlen); putchar('\n'); BIO_free(bio_stdout); BIO_free(bio_err); EVP_PKEY_free(privKey); EVP_PKEY_free(pubKey); return 0; }