1 /*
2 * Copyright 1999-2021 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10 #include <stdio.h>
11 #include "internal/cryptlib.h"
12 #include <openssl/x509.h>
13
NETSCAPE_SPKI_set_pubkey(NETSCAPE_SPKI * x,EVP_PKEY * pkey)14 int NETSCAPE_SPKI_set_pubkey(NETSCAPE_SPKI *x, EVP_PKEY *pkey)
15 {
16 if ((x == NULL) || (x->spkac == NULL))
17 return 0;
18 return X509_PUBKEY_set(&(x->spkac->pubkey), pkey);
19 }
20
NETSCAPE_SPKI_get_pubkey(NETSCAPE_SPKI * x)21 EVP_PKEY *NETSCAPE_SPKI_get_pubkey(NETSCAPE_SPKI *x)
22 {
23 if ((x == NULL) || (x->spkac == NULL))
24 return NULL;
25 return X509_PUBKEY_get(x->spkac->pubkey);
26 }
27
28 /* Load a Netscape SPKI from a base64 encoded string */
29
NETSCAPE_SPKI_b64_decode(const char * str,int len)30 NETSCAPE_SPKI *NETSCAPE_SPKI_b64_decode(const char *str, int len)
31 {
32 unsigned char *spki_der;
33 const unsigned char *p;
34 int spki_len;
35 NETSCAPE_SPKI *spki;
36 if (len <= 0)
37 len = strlen(str);
38 if ((spki_der = OPENSSL_malloc(len + 1)) == NULL)
39 return NULL;
40 spki_len = EVP_DecodeBlock(spki_der, (const unsigned char *)str, len);
41 if (spki_len < 0) {
42 ERR_raise(ERR_LIB_X509, X509_R_BASE64_DECODE_ERROR);
43 OPENSSL_free(spki_der);
44 return NULL;
45 }
46 p = spki_der;
47 spki = d2i_NETSCAPE_SPKI(NULL, &p, spki_len);
48 OPENSSL_free(spki_der);
49 return spki;
50 }
51
52 /* Generate a base64 encoded string from an SPKI */
53
NETSCAPE_SPKI_b64_encode(NETSCAPE_SPKI * spki)54 char *NETSCAPE_SPKI_b64_encode(NETSCAPE_SPKI *spki)
55 {
56 unsigned char *der_spki, *p;
57 char *b64_str;
58 int der_len;
59
60 der_len = i2d_NETSCAPE_SPKI(spki, NULL);
61 if (der_len <= 0)
62 return NULL;
63 der_spki = OPENSSL_malloc(der_len);
64 b64_str = OPENSSL_malloc(der_len * 2);
65 if (der_spki == NULL || b64_str == NULL) {
66 OPENSSL_free(der_spki);
67 OPENSSL_free(b64_str);
68 return NULL;
69 }
70 p = der_spki;
71 i2d_NETSCAPE_SPKI(spki, &p);
72 EVP_EncodeBlock((unsigned char *)b64_str, der_spki, der_len);
73 OPENSSL_free(der_spki);
74 return b64_str;
75 }
76
