112 lines
3.2 KiB
C
112 lines
3.2 KiB
C
/*
|
|
* Copyright 1999-2021 The OpenSSL Project Authors. All Rights Reserved.
|
|
*
|
|
* Licensed under the Apache License 2.0 (the "License"). You may not use
|
|
* this file except in compliance with the License. You can obtain a copy
|
|
* in the file LICENSE in the source distribution or at
|
|
* https://www.openssl.org/source/license.html
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include "internal/cryptlib.h"
|
|
#include <openssl/x509v3.h>
|
|
#include "crypto/x509.h"
|
|
#include "ext_dat.h"
|
|
|
|
static ASN1_OCTET_STRING *s2i_skey_id(X509V3_EXT_METHOD *method,
|
|
X509V3_CTX *ctx, char *str);
|
|
const X509V3_EXT_METHOD ossl_v3_skey_id = {
|
|
NID_subject_key_identifier, 0, ASN1_ITEM_ref(ASN1_OCTET_STRING),
|
|
0, 0, 0, 0,
|
|
(X509V3_EXT_I2S)i2s_ASN1_OCTET_STRING,
|
|
(X509V3_EXT_S2I)s2i_skey_id,
|
|
0, 0, 0, 0,
|
|
NULL
|
|
};
|
|
|
|
char *i2s_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method,
|
|
const ASN1_OCTET_STRING *oct)
|
|
{
|
|
return OPENSSL_buf2hexstr(oct->data, oct->length);
|
|
}
|
|
|
|
ASN1_OCTET_STRING *s2i_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method,
|
|
X509V3_CTX *ctx, const char *str)
|
|
{
|
|
ASN1_OCTET_STRING *oct;
|
|
long length;
|
|
|
|
if ((oct = ASN1_OCTET_STRING_new()) == NULL) {
|
|
ERR_raise(ERR_LIB_X509V3, ERR_R_ASN1_LIB);
|
|
return NULL;
|
|
}
|
|
|
|
if ((oct->data = OPENSSL_hexstr2buf(str, &length)) == NULL) {
|
|
ASN1_OCTET_STRING_free(oct);
|
|
return NULL;
|
|
}
|
|
|
|
oct->length = length;
|
|
|
|
return oct;
|
|
|
|
}
|
|
|
|
ASN1_OCTET_STRING *ossl_x509_pubkey_hash(X509_PUBKEY *pubkey)
|
|
{
|
|
ASN1_OCTET_STRING *oct;
|
|
const unsigned char *pk;
|
|
int pklen;
|
|
unsigned char pkey_dig[EVP_MAX_MD_SIZE];
|
|
unsigned int diglen;
|
|
const char *propq;
|
|
OSSL_LIB_CTX *libctx;
|
|
EVP_MD *md;
|
|
|
|
if (pubkey == NULL) {
|
|
ERR_raise(ERR_LIB_X509V3, X509V3_R_NO_PUBLIC_KEY);
|
|
return NULL;
|
|
}
|
|
if (!ossl_x509_PUBKEY_get0_libctx(&libctx, &propq, pubkey))
|
|
return NULL;
|
|
if ((md = EVP_MD_fetch(libctx, SN_sha1, propq)) == NULL)
|
|
return NULL;
|
|
if ((oct = ASN1_OCTET_STRING_new()) == NULL) {
|
|
EVP_MD_free(md);
|
|
return NULL;
|
|
}
|
|
|
|
X509_PUBKEY_get0_param(NULL, &pk, &pklen, NULL, pubkey);
|
|
if (EVP_Digest(pk, pklen, pkey_dig, &diglen, md, NULL)
|
|
&& ASN1_OCTET_STRING_set(oct, pkey_dig, diglen)) {
|
|
EVP_MD_free(md);
|
|
return oct;
|
|
}
|
|
|
|
EVP_MD_free(md);
|
|
ASN1_OCTET_STRING_free(oct);
|
|
return NULL;
|
|
}
|
|
|
|
static ASN1_OCTET_STRING *s2i_skey_id(X509V3_EXT_METHOD *method,
|
|
X509V3_CTX *ctx, char *str)
|
|
{
|
|
if (strcmp(str, "none") == 0)
|
|
return ASN1_OCTET_STRING_new(); /* dummy */
|
|
|
|
if (strcmp(str, "hash") != 0)
|
|
return s2i_ASN1_OCTET_STRING(method, ctx /* not used */, str);
|
|
|
|
if (ctx != NULL && (ctx->flags & X509V3_CTX_TEST) != 0)
|
|
return ASN1_OCTET_STRING_new();
|
|
if (ctx == NULL
|
|
|| (ctx->subject_cert == NULL && ctx->subject_req == NULL)) {
|
|
ERR_raise(ERR_LIB_X509V3, X509V3_R_NO_SUBJECT_DETAILS);
|
|
return NULL;
|
|
}
|
|
|
|
return ossl_x509_pubkey_hash(ctx->subject_cert != NULL ?
|
|
ctx->subject_cert->cert_info.key :
|
|
ctx->subject_req->req_info.pubkey);
|
|
}
|