sha1_glue.c (1f8673d31a999ed7e20d9f66fcdad39e39f6b276) sha1_glue.c (604682551aa511e00e57706ad5d9fcf955ee0323)
1/*
2 * Cryptographic API.
3 * Glue code for the SHA1 Secure Hash Algorithm assembler implementation
4 *
5 * This file is based on sha1_generic.c and sha1_ssse3_glue.c
6 *
7 * Copyright (c) Alan Smithee.
8 * Copyright (c) Andrew McDonald <andrew@mcdonald.org.uk>

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18
19#include <crypto/internal/hash.h>
20#include <linux/init.h>
21#include <linux/module.h>
22#include <linux/cryptohash.h>
23#include <linux/types.h>
24#include <crypto/sha.h>
25#include <asm/byteorder.h>
1/*
2 * Cryptographic API.
3 * Glue code for the SHA1 Secure Hash Algorithm assembler implementation
4 *
5 * This file is based on sha1_generic.c and sha1_ssse3_glue.c
6 *
7 * Copyright (c) Alan Smithee.
8 * Copyright (c) Andrew McDonald <andrew@mcdonald.org.uk>

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18
19#include <crypto/internal/hash.h>
20#include <linux/init.h>
21#include <linux/module.h>
22#include <linux/cryptohash.h>
23#include <linux/types.h>
24#include <crypto/sha.h>
25#include <asm/byteorder.h>
26#include <asm/crypto/sha1.h>
26
27
28asmlinkage void sha1_block_data_order(u32 *digest,
29 const unsigned char *data, unsigned int rounds);
30
31
32static int sha1_init(struct shash_desc *desc)
33{

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60 done += rounds * SHA1_BLOCK_SIZE;
61 }
62
63 memcpy(sctx->buffer, data + done, len - done);
64 return 0;
65}
66
67
27
28
29asmlinkage void sha1_block_data_order(u32 *digest,
30 const unsigned char *data, unsigned int rounds);
31
32
33static int sha1_init(struct shash_desc *desc)
34{

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61 done += rounds * SHA1_BLOCK_SIZE;
62 }
63
64 memcpy(sctx->buffer, data + done, len - done);
65 return 0;
66}
67
68
68static int sha1_update(struct shash_desc *desc, const u8 *data,
69 unsigned int len)
69int sha1_update_arm(struct shash_desc *desc, const u8 *data,
70 unsigned int len)
70{
71 struct sha1_state *sctx = shash_desc_ctx(desc);
72 unsigned int partial = sctx->count % SHA1_BLOCK_SIZE;
73 int res;
74
75 /* Handle the fast case right here */
76 if (partial + len < SHA1_BLOCK_SIZE) {
77 sctx->count += len;
78 memcpy(sctx->buffer + partial, data, len);
79 return 0;
80 }
81 res = __sha1_update(sctx, data, len, partial);
82 return res;
83}
71{
72 struct sha1_state *sctx = shash_desc_ctx(desc);
73 unsigned int partial = sctx->count % SHA1_BLOCK_SIZE;
74 int res;
75
76 /* Handle the fast case right here */
77 if (partial + len < SHA1_BLOCK_SIZE) {
78 sctx->count += len;
79 memcpy(sctx->buffer + partial, data, len);
80 return 0;
81 }
82 res = __sha1_update(sctx, data, len, partial);
83 return res;
84}
85EXPORT_SYMBOL_GPL(sha1_update_arm);
84
85
86/* Add padding and return the message digest. */
87static int sha1_final(struct shash_desc *desc, u8 *out)
88{
89 struct sha1_state *sctx = shash_desc_ctx(desc);
90 unsigned int i, index, padlen;
91 __be32 *dst = (__be32 *)out;

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130 memcpy(sctx, in, sizeof(*sctx));
131 return 0;
132}
133
134
135static struct shash_alg alg = {
136 .digestsize = SHA1_DIGEST_SIZE,
137 .init = sha1_init,
86
87
88/* Add padding and return the message digest. */
89static int sha1_final(struct shash_desc *desc, u8 *out)
90{
91 struct sha1_state *sctx = shash_desc_ctx(desc);
92 unsigned int i, index, padlen;
93 __be32 *dst = (__be32 *)out;

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132 memcpy(sctx, in, sizeof(*sctx));
133 return 0;
134}
135
136
137static struct shash_alg alg = {
138 .digestsize = SHA1_DIGEST_SIZE,
139 .init = sha1_init,
138 .update = sha1_update,
140 .update = sha1_update_arm,
139 .final = sha1_final,
140 .export = sha1_export,
141 .import = sha1_import,
142 .descsize = sizeof(struct sha1_state),
143 .statesize = sizeof(struct sha1_state),
144 .base = {
145 .cra_name = "sha1",
146 .cra_driver_name= "sha1-asm",

--- 27 unchanged lines hidden --- 		141 .final = sha1_final,
142 .export = sha1_export,
143 .import = sha1_import,
144 .descsize = sizeof(struct sha1_state),
145 .statesize = sizeof(struct sha1_state),
146 .base = {
147 .cra_name = "sha1",
148 .cra_driver_name= "sha1-asm",

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