]>
Commit | Line | Data |
---|---|---|
be473f3f JM |
1 | /* |
2 | * Crypto wrapper for internal crypto implementation - RSA parts | |
3 | * Copyright (c) 2006-2009, Jouni Malinen <j@w1.fi> | |
4 | * | |
0f3d578e JM |
5 | * This software may be distributed under the terms of the BSD license. |
6 | * See README for more details. | |
be473f3f JM |
7 | */ |
8 | ||
9 | #include "includes.h" | |
10 | ||
11 | #include "common.h" | |
12 | #include "crypto.h" | |
13 | #include "tls/rsa.h" | |
be473f3f JM |
14 | #include "tls/pkcs1.h" |
15 | #include "tls/pkcs8.h" | |
16 | ||
17 | /* Dummy structures; these are just typecast to struct crypto_rsa_key */ | |
18 | struct crypto_public_key; | |
19 | struct crypto_private_key; | |
20 | ||
21 | ||
22 | struct crypto_public_key * crypto_public_key_import(const u8 *key, size_t len) | |
23 | { | |
24 | return (struct crypto_public_key *) | |
25 | crypto_rsa_import_public_key(key, len); | |
26 | } | |
27 | ||
28 | ||
ab6d0474 JM |
29 | struct crypto_public_key * |
30 | crypto_public_key_import_parts(const u8 *n, size_t n_len, | |
31 | const u8 *e, size_t e_len) | |
32 | { | |
33 | return (struct crypto_public_key *) | |
34 | crypto_rsa_import_public_key_parts(n, n_len, e, e_len); | |
35 | } | |
36 | ||
37 | ||
be473f3f JM |
38 | struct crypto_private_key * crypto_private_key_import(const u8 *key, |
39 | size_t len, | |
40 | const char *passwd) | |
41 | { | |
42 | struct crypto_private_key *res; | |
43 | ||
44 | /* First, check for possible PKCS #8 encoding */ | |
45 | res = pkcs8_key_import(key, len); | |
46 | if (res) | |
47 | return res; | |
48 | ||
49 | if (passwd) { | |
50 | /* Try to parse as encrypted PKCS #8 */ | |
51 | res = pkcs8_enc_key_import(key, len, passwd); | |
52 | if (res) | |
53 | return res; | |
54 | } | |
55 | ||
56 | /* Not PKCS#8, so try to import PKCS #1 encoded RSA private key */ | |
57 | wpa_printf(MSG_DEBUG, "Trying to parse PKCS #1 encoded RSA private " | |
58 | "key"); | |
59 | return (struct crypto_private_key *) | |
60 | crypto_rsa_import_private_key(key, len); | |
61 | } | |
62 | ||
63 | ||
64 | struct crypto_public_key * crypto_public_key_from_cert(const u8 *buf, | |
65 | size_t len) | |
66 | { | |
67 | /* No X.509 support in crypto_internal.c */ | |
68 | return NULL; | |
69 | } | |
70 | ||
71 | ||
72 | int crypto_public_key_encrypt_pkcs1_v15(struct crypto_public_key *key, | |
73 | const u8 *in, size_t inlen, | |
74 | u8 *out, size_t *outlen) | |
75 | { | |
76 | return pkcs1_encrypt(2, (struct crypto_rsa_key *) key, | |
77 | 0, in, inlen, out, outlen); | |
78 | } | |
79 | ||
80 | ||
81 | int crypto_private_key_decrypt_pkcs1_v15(struct crypto_private_key *key, | |
82 | const u8 *in, size_t inlen, | |
83 | u8 *out, size_t *outlen) | |
84 | { | |
85 | return pkcs1_v15_private_key_decrypt((struct crypto_rsa_key *) key, | |
86 | in, inlen, out, outlen); | |
87 | } | |
88 | ||
89 | ||
90 | int crypto_private_key_sign_pkcs1(struct crypto_private_key *key, | |
91 | const u8 *in, size_t inlen, | |
92 | u8 *out, size_t *outlen) | |
93 | { | |
94 | return pkcs1_encrypt(1, (struct crypto_rsa_key *) key, | |
95 | 1, in, inlen, out, outlen); | |
96 | } | |
97 | ||
98 | ||
99 | void crypto_public_key_free(struct crypto_public_key *key) | |
100 | { | |
101 | crypto_rsa_free((struct crypto_rsa_key *) key); | |
102 | } | |
103 | ||
104 | ||
105 | void crypto_private_key_free(struct crypto_private_key *key) | |
106 | { | |
107 | crypto_rsa_free((struct crypto_rsa_key *) key); | |
108 | } | |
109 | ||
110 | ||
111 | int crypto_public_key_decrypt_pkcs1(struct crypto_public_key *key, | |
112 | const u8 *crypt, size_t crypt_len, | |
113 | u8 *plain, size_t *plain_len) | |
114 | { | |
115 | return pkcs1_decrypt_public_key((struct crypto_rsa_key *) key, | |
116 | crypt, crypt_len, plain, plain_len); | |
117 | } |