Mercurial > dovecot > core-2.2

annotate src/lib/hmac.h @ 22664:fea53c2725c0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
director: Fix director_max_parallel_moves/kicks type Should be uint, not time.
author Timo Sirainen <timo.sirainen@dovecot.fi>
date Thu, 09 Nov 2017 12:24:16 +0200
parents b861c0860dd2
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
15172
8802322d7257 lib: Generalize hmac to be hash independent
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
1 #ifndef HMAC_H
8802322d7257 lib: Generalize hmac to be hash independent
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
2 #define HMAC_H
8802322d7257 lib: Generalize hmac to be hash independent
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
3
8802322d7257 lib: Generalize hmac to be hash independent
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
4 #include "hash-method.h"
8802322d7257 lib: Generalize hmac to be hash independent
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
5 #include "sha1.h"
8802322d7257 lib: Generalize hmac to be hash independent
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
6
8802322d7257 lib: Generalize hmac to be hash independent
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
7 #define HMAC_MAX_CONTEXT_SIZE 256
8802322d7257 lib: Generalize hmac to be hash independent
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
8
16718
92a54bb2ee00 hmac: Fixed crashes on CPUs that don't allow unaligned memory access.
Timo Sirainen <tss@iki.fi>
parents: 15172
diff changeset
9 struct hmac_context_priv {
15172
8802322d7257 lib: Generalize hmac to be hash independent
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
10 char ctx[HMAC_MAX_CONTEXT_SIZE];
8802322d7257 lib: Generalize hmac to be hash independent
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
11 char ctxo[HMAC_MAX_CONTEXT_SIZE];
8802322d7257 lib: Generalize hmac to be hash independent
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
12 const struct hash_method *hash;
8802322d7257 lib: Generalize hmac to be hash independent
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
13 };
8802322d7257 lib: Generalize hmac to be hash independent
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
14
16718
92a54bb2ee00 hmac: Fixed crashes on CPUs that don't allow unaligned memory access.
Timo Sirainen <tss@iki.fi>
parents: 15172
diff changeset
15 struct hmac_context {
92a54bb2ee00 hmac: Fixed crashes on CPUs that don't allow unaligned memory access.
Timo Sirainen <tss@iki.fi>
parents: 15172
diff changeset
16 union {
92a54bb2ee00 hmac: Fixed crashes on CPUs that don't allow unaligned memory access.
Timo Sirainen <tss@iki.fi>
parents: 15172
diff changeset
17 struct hmac_context_priv priv;
92a54bb2ee00 hmac: Fixed crashes on CPUs that don't allow unaligned memory access.
Timo Sirainen <tss@iki.fi>
parents: 15172
diff changeset
18 uint64_t padding_requirement;
92a54bb2ee00 hmac: Fixed crashes on CPUs that don't allow unaligned memory access.
Timo Sirainen <tss@iki.fi>
parents: 15172
diff changeset
19 } u;
92a54bb2ee00 hmac: Fixed crashes on CPUs that don't allow unaligned memory access.
Timo Sirainen <tss@iki.fi>
parents: 15172
diff changeset
20 };
92a54bb2ee00 hmac: Fixed crashes on CPUs that don't allow unaligned memory access.
Timo Sirainen <tss@iki.fi>
parents: 15172
diff changeset
21
15172
8802322d7257 lib: Generalize hmac to be hash independent
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
22 void hmac_init(struct hmac_context *ctx, const unsigned char *key,
8802322d7257 lib: Generalize hmac to be hash independent
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
23 size_t key_len, const struct hash_method *meth);
8802322d7257 lib: Generalize hmac to be hash independent
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
24 void hmac_final(struct hmac_context *ctx, unsigned char *digest);
8802322d7257 lib: Generalize hmac to be hash independent
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
25
8802322d7257 lib: Generalize hmac to be hash independent
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
26
8802322d7257 lib: Generalize hmac to be hash independent
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
27 static inline void
16718
92a54bb2ee00 hmac: Fixed crashes on CPUs that don't allow unaligned memory access.
Timo Sirainen <tss@iki.fi>
parents: 15172
diff changeset
28 hmac_update(struct hmac_context *_ctx, const void *data, size_t size)
15172
8802322d7257 lib: Generalize hmac to be hash independent
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
29 {
16718
92a54bb2ee00 hmac: Fixed crashes on CPUs that don't allow unaligned memory access.
Timo Sirainen <tss@iki.fi>
parents: 15172
diff changeset
30 struct hmac_context_priv *ctx = &_ctx->u.priv;
92a54bb2ee00 hmac: Fixed crashes on CPUs that don't allow unaligned memory access.
Timo Sirainen <tss@iki.fi>
parents: 15172
diff changeset
31
15172
8802322d7257 lib: Generalize hmac to be hash independent
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
32 ctx->hash->loop(ctx->ctx, data, size);
8802322d7257 lib: Generalize hmac to be hash independent
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
33 }
8802322d7257 lib: Generalize hmac to be hash independent
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
34
21266
b861c0860dd2 lib: Add hmac helpers
Aki Tuomi <aki.tuomi@dovecot.fi>
parents: 16718
diff changeset
35 buffer_t *t_hmac_data(const struct hash_method *meth,
b861c0860dd2 lib: Add hmac helpers
Aki Tuomi <aki.tuomi@dovecot.fi>
parents: 16718
diff changeset
36 const unsigned char *key, size_t key_len,
b861c0860dd2 lib: Add hmac helpers
Aki Tuomi <aki.tuomi@dovecot.fi>
parents: 16718
diff changeset
37 const void *data, size_t data_len);
b861c0860dd2 lib: Add hmac helpers
Aki Tuomi <aki.tuomi@dovecot.fi>
parents: 16718
diff changeset
38 buffer_t *t_hmac_buffer(const struct hash_method *meth,
b861c0860dd2 lib: Add hmac helpers
Aki Tuomi <aki.tuomi@dovecot.fi>
parents: 16718
diff changeset
39 const unsigned char *key, size_t key_len,
b861c0860dd2 lib: Add hmac helpers
Aki Tuomi <aki.tuomi@dovecot.fi>
parents: 16718
diff changeset
40 const buffer_t *data);
b861c0860dd2 lib: Add hmac helpers
Aki Tuomi <aki.tuomi@dovecot.fi>
parents: 16718
diff changeset
41 buffer_t *t_hmac_str(const struct hash_method *meth,
b861c0860dd2 lib: Add hmac helpers
Aki Tuomi <aki.tuomi@dovecot.fi>
parents: 16718
diff changeset
42 const unsigned char *key, size_t key_len,
b861c0860dd2 lib: Add hmac helpers
Aki Tuomi <aki.tuomi@dovecot.fi>
parents: 16718
diff changeset
43 const char *data);
b861c0860dd2 lib: Add hmac helpers
Aki Tuomi <aki.tuomi@dovecot.fi>
parents: 16718
diff changeset
44
15172
8802322d7257 lib: Generalize hmac to be hash independent
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
45 #endif