2 * Copyright (c) 2008 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 /* Windows crypto provider plugin, sample */
48 static HCRYPTPROV hCryptProv
= NULL
;
59 generic_cbc_do_cipher(EVP_CIPHER_CTX
*ctx
,
61 const unsigned char *in
,
64 struct generic_key
*gk
= ctx
->cipher_data
;
68 bResult
= CryptSetKeyParam(gk
->hKey
, KP_IV
, ctx
->iv
, 0);
71 memcpy(out
, in
, size
);
74 bResult
= CryptEncrypt(gk
->hKey
, 0, TRUE
, 0, out
, &length
, size
);
76 bResult
= CryptDecrypt(gk
->hKey
, 0, TRUE
, 0, out
, &length
);
83 generic_cleanup(EVP_CIPHER_CTX
*ctx
)
85 struct generic_key
*gk
= ctx
->cipher_data
;
86 CryptDestroyKey(gk
->hKey
);
92 import_key(int alg
, const unsigned char *key
, size_t keylen
)
99 size_t bloblen
= sizeof(*key_blob
) - 1 + keylen
;
101 key_blob
= malloc(bloblen
);
103 key_blob
->hdr
.bType
= PLAINTEXTKEYBLOB
;
104 key_blob
->hdr
.bVersion
= CUR_BLOB_VERSION
;
105 key_blob
->hdr
.reserved
= 0;
106 key_blob
->hdr
.aiKeyAlg
= alg
;
108 memcpy(key_blob
->key
, key
, keylen
);
110 bResult
= CryptImportKey(hCryptProv
,
111 (void *)key_blob
, bloblen
, 0, 0,
120 crypto_des_ede3_cbc_init(EVP_CIPHER_CTX
*ctx
,
121 const unsigned char * key
,
122 const unsigned char * iv
,
125 struct generic_key
*gk
= ctx
->cipher_data
;
128 gk
->hKey
= import_key(CALG_3DES
,
129 key
->key
->keyvalue
.data
,
130 key
->key
->keyvalue
.len
);
136 * The triple DES cipher type (Micrsoft crypt provider)
138 * @return the DES-EDE3-CBC EVP_CIPHER pointer.
140 * @ingroup hcrypto_evp
144 EVP_wincrypt_des_ede3_cbc(void)
146 static const EVP_CIPHER des_ede3_cbc
= {
152 crypto_des_ede3_cbc_init
,
153 generic_cbc_do_cipher
,
155 sizeof(struct generic_key
),
161 return &des_ede3_cbc
;
168 struct generic_hash
{
173 crypto_md5_init(struct generic_hash
*m
);
176 bResult
= CryptCreateHash(hCryptProv
, CALG_MD5
, 0, 0, &m
->hHash
);
181 generic_hash_update (struct generic_hash
*m
, const void *p
, size_t len
)
184 bResult
= CryptHashData(m
->hHash
, data
, ( DWORD
)len
, 0 );
189 generic_hash_final (void *res
, struct generic_hash
*m
);
193 bResult
= CryptGetHashParam(m
->hHash
, HP_HASHVAL
, res
, &length
, 0)
198 generic_hash_cleanup(struct generic_hash
*m
)
200 CryptDestroyHash(m
->hHash
);
205 EVP_wincrypt_md5(void)
207 static const struct hc_evp_md md5
= {
210 sizeof(struct generic_hash
),
211 (hc_evp_md_init
)crypto_md5_init
,
212 (hc_evp_md_update
)generic_hash_update
,
213 (hc_evp_md_final
)generic_hash_final
,
214 (hc_evp_md_cleanup
)generic_hash_cleanup