2 * Copyright (c) 2003 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 #define KRB5_DEPRECATED
36 #include "krb5_locl.h"
38 #ifndef HEIMDAL_SMALLER
44 krb5_error_code KRB5_LIB_FUNCTION
45 krb5_c_make_checksum(krb5_context context
,
46 krb5_cksumtype cksumtype
,
47 const krb5_keyblock
*key
,
49 const krb5_data
*input
,
55 ret
= krb5_crypto_init(context
, key
, 0, &crypto
);
59 ret
= krb5_create_checksum(context
, crypto
, usage
, cksumtype
,
60 input
->data
, input
->length
, cksum
);
61 krb5_crypto_destroy(context
, crypto
);
66 krb5_error_code KRB5_LIB_FUNCTION
67 krb5_c_verify_checksum(krb5_context context
, const krb5_keyblock
*key
,
68 krb5_keyusage usage
, const krb5_data
*data
,
69 const krb5_checksum
*cksum
, krb5_boolean
*valid
)
72 krb5_checksum data_cksum
;
76 ret
= krb5_c_make_checksum(context
, cksum
->cksumtype
,
77 key
, usage
, data
, &data_cksum
);
81 if (data_cksum
.cksumtype
== cksum
->cksumtype
82 && data_cksum
.checksum
.length
== cksum
->checksum
.length
83 && memcmp(data_cksum
.checksum
.data
, cksum
->checksum
.data
, cksum
->checksum
.length
) == 0)
86 krb5_free_checksum_contents(context
, &data_cksum
);
91 krb5_error_code KRB5_LIB_FUNCTION
92 krb5_c_get_checksum(krb5_context context
, const krb5_checksum
*cksum
,
93 krb5_cksumtype
*type
, krb5_data
**data
)
98 *type
= cksum
->cksumtype
;
100 *data
= malloc(sizeof(**data
));
104 ret
= der_copy_octet_string(&cksum
->checksum
, *data
);
114 krb5_error_code KRB5_LIB_FUNCTION
115 krb5_c_set_checksum(krb5_context context
, krb5_checksum
*cksum
,
116 krb5_cksumtype type
, const krb5_data
*data
)
118 cksum
->cksumtype
= type
;
119 return der_copy_octet_string(data
, &cksum
->checksum
);
122 void KRB5_LIB_FUNCTION
123 krb5_free_checksum (krb5_context context
, krb5_checksum
*cksum
)
125 krb5_checksum_free(context
, cksum
);
129 void KRB5_LIB_FUNCTION
130 krb5_free_checksum_contents(krb5_context context
, krb5_checksum
*cksum
)
132 krb5_checksum_free(context
, cksum
);
133 memset(cksum
, 0, sizeof(*cksum
));
136 void KRB5_LIB_FUNCTION
137 krb5_checksum_free(krb5_context context
, krb5_checksum
*cksum
)
139 free_Checksum(cksum
);
142 krb5_boolean KRB5_LIB_FUNCTION
143 krb5_c_valid_enctype (krb5_enctype etype
)
145 return krb5_enctype_valid(NULL
, etype
);
148 krb5_boolean KRB5_LIB_FUNCTION
149 krb5_c_valid_cksumtype(krb5_cksumtype ctype
)
151 return krb5_cksumtype_valid(NULL
, ctype
);
154 krb5_boolean KRB5_LIB_FUNCTION
155 krb5_c_is_coll_proof_cksum(krb5_cksumtype ctype
)
157 return krb5_checksum_is_collision_proof(NULL
, ctype
);
160 krb5_boolean KRB5_LIB_FUNCTION
161 krb5_c_is_keyed_cksum(krb5_cksumtype ctype
)
163 return krb5_checksum_is_keyed(NULL
, ctype
);
166 krb5_error_code KRB5_LIB_FUNCTION
167 krb5_copy_checksum (krb5_context context
,
168 const krb5_checksum
*old
,
171 *new = malloc(sizeof(**new));
174 return copy_Checksum(old
, *new);
177 krb5_error_code KRB5_LIB_FUNCTION
178 krb5_c_checksum_length (krb5_context context
, krb5_cksumtype cksumtype
,
181 return krb5_checksumsize(context
, cksumtype
, length
);
184 krb5_error_code KRB5_LIB_FUNCTION
185 krb5_c_block_size(krb5_context context
,
186 krb5_enctype enctype
,
193 ret
= krb5_generate_random_keyblock(context
, enctype
, &key
);
197 ret
= krb5_crypto_init(context
, &key
, 0, &crypto
);
198 krb5_free_keyblock_contents(context
, &key
);
201 ret
= krb5_crypto_getblocksize(context
, crypto
, blocksize
);
202 krb5_crypto_destroy(context
, crypto
);
207 krb5_error_code KRB5_LIB_FUNCTION
208 krb5_c_decrypt(krb5_context context
,
209 const krb5_keyblock key
,
211 const krb5_data
*ivec
,
212 krb5_enc_data
*input
,
218 ret
= krb5_crypto_init(context
, &key
, input
->enctype
, &crypto
);
225 ret
= krb5_crypto_getblocksize(context
, crypto
, &blocksize
);
227 krb5_crypto_destroy(context
, crypto
);
231 if (blocksize
> ivec
->length
) {
232 krb5_crypto_destroy(context
, crypto
);
233 return KRB5_BAD_MSIZE
;
237 ret
= krb5_decrypt_ivec(context
, crypto
, usage
,
238 input
->ciphertext
.data
, input
->ciphertext
.length
,
240 ivec
? ivec
->data
: NULL
);
242 krb5_crypto_destroy(context
, crypto
);
247 krb5_error_code KRB5_LIB_FUNCTION
248 krb5_c_encrypt(krb5_context context
,
249 const krb5_keyblock
*key
,
251 const krb5_data
*ivec
,
252 const krb5_data
*input
,
253 krb5_enc_data
*output
)
258 ret
= krb5_crypto_init(context
, key
, 0, &crypto
);
265 ret
= krb5_crypto_getblocksize(context
, crypto
, &blocksize
);
267 krb5_crypto_destroy(context
, crypto
);
271 if (blocksize
> ivec
->length
) {
272 krb5_crypto_destroy(context
, crypto
);
273 return KRB5_BAD_MSIZE
;
277 ret
= krb5_encrypt_ivec(context
, crypto
, usage
,
278 input
->data
, input
->length
,
280 ivec
? ivec
->data
: NULL
);
282 krb5_crypto_getenctype(context
, crypto
, &output
->enctype
);
284 krb5_crypto_destroy(context
, crypto
);
289 krb5_error_code KRB5_LIB_FUNCTION
290 krb5_c_encrypt_length(krb5_context context
,
291 krb5_enctype enctype
,
299 ret
= krb5_generate_random_keyblock(context
, enctype
, &key
);
303 ret
= krb5_crypto_init(context
, &key
, 0, &crypto
);
304 krb5_free_keyblock_contents(context
, &key
);
308 *length
= krb5_get_wrapped_length(context
, crypto
, inputlen
);
309 krb5_crypto_destroy(context
, crypto
);
314 krb5_error_code KRB5_LIB_FUNCTION
315 krb5_c_enctype_compare(krb5_context context
,
318 krb5_boolean
*similar
)
321 *similar
= (e1
== e2
);
325 krb5_error_code KRB5_LIB_FUNCTION
326 krb5_c_make_random_key(krb5_context context
,
327 krb5_enctype enctype
,
328 krb5_keyblock
*random_key
)
330 return krb5_generate_random_keyblock(context
, enctype
, random_key
);
333 krb5_error_code KRB5_LIB_FUNCTION
334 krb5_c_keylengths(krb5_context context
,
335 krb5_enctype enctype
,
341 ret
= krb5_enctype_keybits(context
, enctype
, ilen
);
344 *ilen
= (*ilen
+ 7) / 8;
345 return krb5_enctype_keysize(context
, enctype
, keylen
);
348 krb5_error_code KRB5_LIB_FUNCTION
349 krb5_c_prf_length(krb5_context context
,
353 return krb5_crypto_prf_length(context
, type
, length
);
356 krb5_error_code KRB5_LIB_FUNCTION
357 krb5_c_prf(krb5_context context
,
358 const krb5_keyblock
*key
,
359 const krb5_data
*input
,
365 ret
= krb5_crypto_init(context
, key
, 0, &crypto
);
369 ret
= krb5_crypto_prf(context
, crypto
, input
, output
);
370 krb5_crypto_destroy(context
, crypto
);
378 * @ingroup krb5_ccache
381 krb5_error_code KRB5_LIB_FUNCTION
382 krb5_cc_copy_creds(krb5_context context
,
383 const krb5_ccache from
,
386 return krb5_cc_copy_cache(context
, from
, to
);
389 #endif /* HEIMDAL_SMALLER */