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Update digest.c

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This commit is contained in:
Zhi Guan
2026-06-10 22:11:56 +08:00
parent be3230fd7f
commit c1c0137269
1 changed files with 66 additions and 54 deletions
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120
src/digest.c
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@@ -16,64 +16,102 @@
#include <gmssl/error.h> #include <gmssl/error.h>
typedef struct { const DIGEST *digest_from_name(const char *name)
int oid; {
char *short_name; if (!name) {
char *display_name; error_print();
} DIGEST_TABLE; return NULL;
}
DIGEST_TABLE digest_table[] = { if (!strcmp(name, "sm3")) {
{ OID_sm3, "sm3", "SM3" }, return DIGEST_sm3();
#ifdef ENABLE_SHA1 #ifdef ENABLE_SHA1
{ OID_sha1, "sha1", "SHA-1" }, } else if (!strcmp(name, "sha1")) {
return DIGEST_sha1();
#endif #endif
#ifdef ENABLE_SHA2 #ifdef ENABLE_SHA2
{ OID_sha224, "sha224", "SHA-224" }, } else if (!strcmp(name, "sha224")) {
{ OID_sha256, "sha256", "SHA-256" }, return DIGEST_sha224();
{ OID_sha384, "sha384", "SHA-384" }, } else if (!strcmp(name, "sha256")) {
{ OID_sha512, "sha512", "SHA-512" }, return DIGEST_sha256();
} else if (!strcmp(name, "sha384")) {
return DIGEST_sha384();
} else if (!strcmp(name, "sha512")) {
return DIGEST_sha512();
} else if (!strcmp(name, "sha512-224")) {
return DIGEST_sha512_224();
} else if (!strcmp(name, "sha512-256")) {
return DIGEST_sha512_256();
#endif #endif
}; }
error_print();
return NULL;
}
const char *digest_name(const DIGEST *digest) const char *digest_name(const DIGEST *digest)
{ {
int i; if (!digest) {
for (i = 0; i < sizeof(digest_table)/sizeof(digest_table[0]); i++) { error_print();
if (digest->oid == digest_table[i].oid) { return NULL;
return digest_table[i].short_name;
}
} }
switch (digest->oid) {
case OID_sm3: return "sm3";
case OID_sha1: return "sha1";
case OID_sha224: return "sha224";
case OID_sha256: return "sha256";
case OID_sha384: return "sha384";
case OID_sha512: return "sha512";
case OID_sha512_224: return "sha512-224";
case OID_sha512_256: return "sha512-256";
}
error_print();
return NULL; return NULL;
} }
int digest_init(DIGEST_CTX *ctx, const DIGEST *algor) int digest_init(DIGEST_CTX *ctx, const DIGEST *algor)
{ {
memset(ctx, 0, sizeof(DIGEST_CTX)); if (!ctx || !algor || !algor->init) {
if (algor == NULL) {
error_print(); error_print();
return -1; return -1;
} }
memset(ctx, 0, sizeof(DIGEST_CTX));
ctx->digest = algor; ctx->digest = algor;
ctx->digest->init(ctx); if (ctx->digest->init(ctx) != 1) {
error_print();
return -1;
}
return 1; return 1;
} }
int digest_update(DIGEST_CTX *ctx, const uint8_t *data, size_t datalen) int digest_update(DIGEST_CTX *ctx, const uint8_t *data, size_t datalen)
{ {
if (data == NULL || datalen == 0) { if (!ctx || !ctx->digest || !ctx->digest->update) {
return 0; error_print();
return -1;
}
if (!data && datalen) {
error_print();
return -1;
}
if (!data || !datalen) {
return 1;
}
if (ctx->digest->update(ctx, data, datalen) != 1) {
error_print();
return -1;
} }
ctx->digest->update(ctx, data, datalen);
return 1; return 1;
} }
int digest_finish(DIGEST_CTX *ctx, uint8_t *dgst, size_t *dgstlen) int digest_finish(DIGEST_CTX *ctx, uint8_t *dgst, size_t *dgstlen)
{ {
if (dgst == NULL || dgstlen == NULL) { if (!ctx || !ctx->digest || !ctx->digest->finish || !dgst || !dgstlen) {
error_print();
return -1;
}
if (ctx->digest->finish(ctx, dgst) != 1) {
error_print(); error_print();
return -1; return -1;
} }
ctx->digest->finish(ctx, dgst);
*dgstlen = ctx->digest->digest_size; *dgstlen = ctx->digest->digest_size;
return 1; return 1;
} }
@@ -83,40 +121,14 @@ int digest(const DIGEST *digest, const uint8_t *data, size_t datalen,
{ {
DIGEST_CTX ctx; DIGEST_CTX ctx;
if (digest_init(&ctx, digest) != 1 if (digest_init(&ctx, digest) != 1
|| digest_update(&ctx, data, datalen) < 0 || digest_update(&ctx, data, datalen) != 1
|| digest_finish(&ctx, dgst, dgstlen) != 1) { || digest_finish(&ctx, dgst, dgstlen) != 1) {
error_print(); error_print();
return -1; return -1;
} }
memset(&ctx, 0, sizeof(DIGEST_CTX));
return 1; return 1;
} }
const DIGEST *digest_from_name(const char *name)
{
if (!strcmp(name, "sm3") || !strcmp(name, "SM3")) {
return DIGEST_sm3();
#ifdef ENABLE_SHA1
} else if (!strcmp(name, "sha1") || !strcmp(name, "SHA1")) {
return DIGEST_sha1();
#endif
#ifdef ENABLE_SHA2
} else if (!strcmp(name, "sha224") || !strcmp(name, "SHA224")) {
return DIGEST_sha224();
} else if (!strcmp(name, "sha256") || !strcmp(name, "SHA256")) {
return DIGEST_sha256();
} else if (!strcmp(name, "sha384") || !strcmp(name, "SHA384")) {
return DIGEST_sha384();
} else if (!strcmp(name, "sha512") || !strcmp(name, "SHA512")) {
return DIGEST_sha512();
} else if (!strcmp(name, "sha512-224") || !strcmp(name, "SHA512-224")) {
return DIGEST_sha512_224();
} else if (!strcmp(name, "sha512-256") || !strcmp(name, "SHA512-256")) {
return DIGEST_sha512_256();
#endif
}
return NULL;
}
static int _sm3_digest_init(DIGEST_CTX *ctx) static int _sm3_digest_init(DIGEST_CTX *ctx)
{ {