1 | /* |
2 | * Copyright 1999-2016 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 | |
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 | |
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 | |
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 | X509err(X509_F_NETSCAPE_SPKI_B64_DECODE, ERR_R_MALLOC_FAILURE); |
40 | return NULL; |
41 | } |
42 | spki_len = EVP_DecodeBlock(spki_der, (const unsigned char *)str, len); |
43 | if (spki_len < 0) { |
44 | X509err(X509_F_NETSCAPE_SPKI_B64_DECODE, X509_R_BASE64_DECODE_ERROR); |
45 | OPENSSL_free(spki_der); |
46 | return NULL; |
47 | } |
48 | p = spki_der; |
49 | spki = d2i_NETSCAPE_SPKI(NULL, &p, spki_len); |
50 | OPENSSL_free(spki_der); |
51 | return spki; |
52 | } |
53 | |
54 | /* Generate a base64 encoded string from an SPKI */ |
55 | |
56 | char *NETSCAPE_SPKI_b64_encode(NETSCAPE_SPKI *spki) |
57 | { |
58 | unsigned char *der_spki, *p; |
59 | char *b64_str; |
60 | int der_len; |
61 | der_len = i2d_NETSCAPE_SPKI(spki, NULL); |
62 | der_spki = OPENSSL_malloc(der_len); |
63 | b64_str = OPENSSL_malloc(der_len * 2); |
64 | if (der_spki == NULL || b64_str == NULL) { |
65 | X509err(X509_F_NETSCAPE_SPKI_B64_ENCODE, ERR_R_MALLOC_FAILURE); |
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 | |