aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/crypto
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/crypto')
-rw-r--r--drivers/crypto/padlock-sha.c36
1 files changed, 16 insertions, 20 deletions
diff --git a/drivers/crypto/padlock-sha.c b/drivers/crypto/padlock-sha.c
index f3857bbbfae3..4e8de162fc12 100644
--- a/drivers/crypto/padlock-sha.c
+++ b/drivers/crypto/padlock-sha.c
@@ -13,6 +13,7 @@
13 */ 13 */
14 14
15#include <crypto/algapi.h> 15#include <crypto/algapi.h>
16#include <crypto/sha.h>
16#include <linux/err.h> 17#include <linux/err.h>
17#include <linux/module.h> 18#include <linux/module.h>
18#include <linux/init.h> 19#include <linux/init.h>
@@ -24,12 +25,7 @@
24#include "padlock.h" 25#include "padlock.h"
25 26
26#define SHA1_DEFAULT_FALLBACK "sha1-generic" 27#define SHA1_DEFAULT_FALLBACK "sha1-generic"
27#define SHA1_DIGEST_SIZE 20
28#define SHA1_HMAC_BLOCK_SIZE 64
29
30#define SHA256_DEFAULT_FALLBACK "sha256-generic" 28#define SHA256_DEFAULT_FALLBACK "sha256-generic"
31#define SHA256_DIGEST_SIZE 32
32#define SHA256_HMAC_BLOCK_SIZE 64
33 29
34struct padlock_sha_ctx { 30struct padlock_sha_ctx {
35 char *data; 31 char *data;
@@ -107,11 +103,11 @@ static void padlock_do_sha1(const char *in, char *out, int count)
107 char buf[128+16]; 103 char buf[128+16];
108 char *result = NEAREST_ALIGNED(buf); 104 char *result = NEAREST_ALIGNED(buf);
109 105
110 ((uint32_t *)result)[0] = 0x67452301; 106 ((uint32_t *)result)[0] = SHA1_H0;
111 ((uint32_t *)result)[1] = 0xEFCDAB89; 107 ((uint32_t *)result)[1] = SHA1_H1;
112 ((uint32_t *)result)[2] = 0x98BADCFE; 108 ((uint32_t *)result)[2] = SHA1_H2;
113 ((uint32_t *)result)[3] = 0x10325476; 109 ((uint32_t *)result)[3] = SHA1_H3;
114 ((uint32_t *)result)[4] = 0xC3D2E1F0; 110 ((uint32_t *)result)[4] = SHA1_H4;
115 111
116 asm volatile (".byte 0xf3,0x0f,0xa6,0xc8" /* rep xsha1 */ 112 asm volatile (".byte 0xf3,0x0f,0xa6,0xc8" /* rep xsha1 */
117 : "+S"(in), "+D"(result) 113 : "+S"(in), "+D"(result)
@@ -128,14 +124,14 @@ static void padlock_do_sha256(const char *in, char *out, int count)
128 char buf[128+16]; 124 char buf[128+16];
129 char *result = NEAREST_ALIGNED(buf); 125 char *result = NEAREST_ALIGNED(buf);
130 126
131 ((uint32_t *)result)[0] = 0x6A09E667; 127 ((uint32_t *)result)[0] = SHA256_H0;
132 ((uint32_t *)result)[1] = 0xBB67AE85; 128 ((uint32_t *)result)[1] = SHA256_H1;
133 ((uint32_t *)result)[2] = 0x3C6EF372; 129 ((uint32_t *)result)[2] = SHA256_H2;
134 ((uint32_t *)result)[3] = 0xA54FF53A; 130 ((uint32_t *)result)[3] = SHA256_H3;
135 ((uint32_t *)result)[4] = 0x510E527F; 131 ((uint32_t *)result)[4] = SHA256_H4;
136 ((uint32_t *)result)[5] = 0x9B05688C; 132 ((uint32_t *)result)[5] = SHA256_H5;
137 ((uint32_t *)result)[6] = 0x1F83D9AB; 133 ((uint32_t *)result)[6] = SHA256_H6;
138 ((uint32_t *)result)[7] = 0x5BE0CD19; 134 ((uint32_t *)result)[7] = SHA256_H7;
139 135
140 asm volatile (".byte 0xf3,0x0f,0xa6,0xd0" /* rep xsha256 */ 136 asm volatile (".byte 0xf3,0x0f,0xa6,0xd0" /* rep xsha256 */
141 : "+S"(in), "+D"(result) 137 : "+S"(in), "+D"(result)
@@ -215,7 +211,7 @@ static struct crypto_alg sha1_alg = {
215 .cra_priority = PADLOCK_CRA_PRIORITY, 211 .cra_priority = PADLOCK_CRA_PRIORITY,
216 .cra_flags = CRYPTO_ALG_TYPE_DIGEST | 212 .cra_flags = CRYPTO_ALG_TYPE_DIGEST |
217 CRYPTO_ALG_NEED_FALLBACK, 213 CRYPTO_ALG_NEED_FALLBACK,
218 .cra_blocksize = SHA1_HMAC_BLOCK_SIZE, 214 .cra_blocksize = SHA1_BLOCK_SIZE,
219 .cra_ctxsize = sizeof(struct padlock_sha_ctx), 215 .cra_ctxsize = sizeof(struct padlock_sha_ctx),
220 .cra_module = THIS_MODULE, 216 .cra_module = THIS_MODULE,
221 .cra_list = LIST_HEAD_INIT(sha1_alg.cra_list), 217 .cra_list = LIST_HEAD_INIT(sha1_alg.cra_list),
@@ -237,7 +233,7 @@ static struct crypto_alg sha256_alg = {
237 .cra_priority = PADLOCK_CRA_PRIORITY, 233 .cra_priority = PADLOCK_CRA_PRIORITY,
238 .cra_flags = CRYPTO_ALG_TYPE_DIGEST | 234 .cra_flags = CRYPTO_ALG_TYPE_DIGEST |
239 CRYPTO_ALG_NEED_FALLBACK, 235 CRYPTO_ALG_NEED_FALLBACK,
240 .cra_blocksize = SHA256_HMAC_BLOCK_SIZE, 236 .cra_blocksize = SHA256_BLOCK_SIZE,
241 .cra_ctxsize = sizeof(struct padlock_sha_ctx), 237 .cra_ctxsize = sizeof(struct padlock_sha_ctx),
242 .cra_module = THIS_MODULE, 238 .cra_module = THIS_MODULE,
243 .cra_list = LIST_HEAD_INIT(sha256_alg.cra_list), 239 .cra_list = LIST_HEAD_INIT(sha256_alg.cra_list),