This source file includes following definitions.
- poly1305_core_init
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6 #ifndef _CRYPTO_POLY1305_H
7 #define _CRYPTO_POLY1305_H
8
9 #include <linux/types.h>
10 #include <linux/crypto.h>
11
12 #define POLY1305_BLOCK_SIZE 16
13 #define POLY1305_KEY_SIZE 32
14 #define POLY1305_DIGEST_SIZE 16
15
16 struct poly1305_key {
17 u32 r[5];
18 };
19
20 struct poly1305_state {
21 u32 h[5];
22 };
23
24 struct poly1305_desc_ctx {
25
26 struct poly1305_key r;
27
28 u32 s[4];
29
30 struct poly1305_state h;
31
32 u8 buf[POLY1305_BLOCK_SIZE];
33
34 unsigned int buflen;
35
36 bool rset;
37
38 bool sset;
39 };
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46 void poly1305_core_setkey(struct poly1305_key *key, const u8 *raw_key);
47 static inline void poly1305_core_init(struct poly1305_state *state)
48 {
49 memset(state->h, 0, sizeof(state->h));
50 }
51 void poly1305_core_blocks(struct poly1305_state *state,
52 const struct poly1305_key *key,
53 const void *src, unsigned int nblocks);
54 void poly1305_core_emit(const struct poly1305_state *state, void *dst);
55
56
57 int crypto_poly1305_init(struct shash_desc *desc);
58 unsigned int crypto_poly1305_setdesckey(struct poly1305_desc_ctx *dctx,
59 const u8 *src, unsigned int srclen);
60 int crypto_poly1305_update(struct shash_desc *desc,
61 const u8 *src, unsigned int srclen);
62 int crypto_poly1305_final(struct shash_desc *desc, u8 *dst);
63
64 #endif