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update go-api

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GetDigestNames() and GetCipherNames get supported algorithms with
callbacks.
This commit is contained in:
Zhi Guan
2018-08-04 20:27:43 +08:00
parent 9d6ad55623
commit abedd1b0f4
8 changed files with 160 additions and 244 deletions
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65
go/gmssl/digest.go
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@@ -3,39 +3,55 @@
package gmssl
/*
#include <string.h>
#include <openssl/evp.h>
#include <openssl/crypto.h>
static void cb_digest_names_len(const EVP_MD *md, const char *from,
const char *to,
void *x) {
if (md) {
*((int *)x) += strlen(EVP_MD_name(md)) + 1;
}
}
static void cb_digest_names(const EVP_MD *md, const char *from,
const char *to, void *x) {
if (md) {
if (strlen((char *)x) > 0) {
strcat((char *)x, ":");
}
strcat((char *)x, EVP_MD_name(md));
}
}
static char *get_digest_names() {
char *ret = NULL;
int len = 0;
EVP_MD_do_all_sorted(cb_digest_names_len, &len);
if (!(ret = OPENSSL_zalloc(len))) {
return NULL;
}
EVP_MD_do_all_sorted(cb_digest_names, ret);
return ret;
}
static void _OPENSSL_free(void *addr) {
OPENSSL_free(addr);
}
*/
import "C"
import (
"unsafe"
"runtime"
"strings"
)
func GetDigestNames() []string {
return []string{
"BLAKE2b512",
"BLAKE2s256",
"MD4",
"MD5",
"MD5-SHA1",
"MDC2",
"RIPEMD160",
"rmd160",
"SHA1",
"SHA224",
"SHA256",
"SHA384",
"SHA512",
"SM3",
"SHA1",
"SHA224",
"SHA256",
"SHA384",
"SHA512",
"SM3",
"whirlpool",
}
cnames := C.get_digest_names()
defer C._OPENSSL_free(unsafe.Pointer(cnames))
return strings.Split(C.GoString(cnames), ":")
}
func GetDigestLength(name string) (int, error) {
@@ -87,9 +103,6 @@ func (ctx *DigestContext) Update(data []byte) error {
return nil
}
func (ctx *DigestContext) Final() ([]byte, error) {
outbuf := make([]byte, 64)
outlen := C.uint(len(outbuf))