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authorHerbert Xu <herbert@gondor.apana.org.au>2009-01-18 20:33:33 +1100
committerHerbert Xu <herbert@gondor.apana.org.au>2009-02-18 16:48:07 +0800
commit563f346d04e8373739240604a51ce8529dd9f07e (patch)
treee08f528e442c6861b591a283f5cf3a5666b92015 /arch/s390/crypto
parent9749598633efc2561224954217ff0d70aeed8b50 (diff)
downloadlinux-linaro-stable-563f346d04e8373739240604a51ce8529dd9f07e.tar.gz
crypto: sha-s390 - Switch to shash
This patch converts the S390 sha algorithms to the new shash interface. With fixes by Jan Glauber. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'arch/s390/crypto')
-rw-r--r--arch/s390/crypto/sha.h6
-rw-r--r--arch/s390/crypto/sha1_s390.c40
-rw-r--r--arch/s390/crypto/sha256_s390.c40
-rw-r--r--arch/s390/crypto/sha512_s390.c80
-rw-r--r--arch/s390/crypto/sha_common.c20
5 files changed, 100 insertions, 86 deletions
diff --git a/arch/s390/crypto/sha.h b/arch/s390/crypto/sha.h
index 1ceafa571eab..f4e9dc71675f 100644
--- a/arch/s390/crypto/sha.h
+++ b/arch/s390/crypto/sha.h
@@ -29,7 +29,9 @@ struct s390_sha_ctx {
int func; /* KIMD function to use */
};
-void s390_sha_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len);
-void s390_sha_final(struct crypto_tfm *tfm, u8 *out);
+struct shash_desc;
+
+int s390_sha_update(struct shash_desc *desc, const u8 *data, unsigned int len);
+int s390_sha_final(struct shash_desc *desc, u8 *out);
#endif
diff --git a/arch/s390/crypto/sha1_s390.c b/arch/s390/crypto/sha1_s390.c
index b3cb5a89b00d..e85ba348722a 100644
--- a/arch/s390/crypto/sha1_s390.c
+++ b/arch/s390/crypto/sha1_s390.c
@@ -23,17 +23,17 @@
* any later version.
*
*/
+#include <crypto/internal/hash.h>
#include <linux/init.h>
#include <linux/module.h>
-#include <linux/crypto.h>
#include <crypto/sha.h>
#include "crypt_s390.h"
#include "sha.h"
-static void sha1_init(struct crypto_tfm *tfm)
+static int sha1_init(struct shash_desc *desc)
{
- struct s390_sha_ctx *sctx = crypto_tfm_ctx(tfm);
+ struct s390_sha_ctx *sctx = shash_desc_ctx(desc);
sctx->state[0] = SHA1_H0;
sctx->state[1] = SHA1_H1;
@@ -42,34 +42,36 @@ static void sha1_init(struct crypto_tfm *tfm)
sctx->state[4] = SHA1_H4;
sctx->count = 0;
sctx->func = KIMD_SHA_1;
+
+ return 0;
}
-static struct crypto_alg alg = {
- .cra_name = "sha1",
- .cra_driver_name= "sha1-s390",
- .cra_priority = CRYPT_S390_PRIORITY,
- .cra_flags = CRYPTO_ALG_TYPE_DIGEST,
- .cra_blocksize = SHA1_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct s390_sha_ctx),
- .cra_module = THIS_MODULE,
- .cra_list = LIST_HEAD_INIT(alg.cra_list),
- .cra_u = { .digest = {
- .dia_digestsize = SHA1_DIGEST_SIZE,
- .dia_init = sha1_init,
- .dia_update = s390_sha_update,
- .dia_final = s390_sha_final } }
+static struct shash_alg alg = {
+ .digestsize = SHA1_DIGEST_SIZE,
+ .init = sha1_init,
+ .update = s390_sha_update,
+ .final = s390_sha_final,
+ .descsize = sizeof(struct s390_sha_ctx),
+ .base = {
+ .cra_name = "sha1",
+ .cra_driver_name= "sha1-s390",
+ .cra_priority = CRYPT_S390_PRIORITY,
+ .cra_flags = CRYPTO_ALG_TYPE_SHASH,
+ .cra_blocksize = SHA1_BLOCK_SIZE,
+ .cra_module = THIS_MODULE,
+ }
};
static int __init sha1_s390_init(void)
{
if (!crypt_s390_func_available(KIMD_SHA_1))
return -EOPNOTSUPP;
- return crypto_register_alg(&alg);
+ return crypto_register_shash(&alg);
}
static void __exit sha1_s390_fini(void)
{
- crypto_unregister_alg(&alg);
+ crypto_unregister_shash(&alg);
}
module_init(sha1_s390_init);
diff --git a/arch/s390/crypto/sha256_s390.c b/arch/s390/crypto/sha256_s390.c
index 19c03fb6ba7e..f9fefc569632 100644
--- a/arch/s390/crypto/sha256_s390.c
+++ b/arch/s390/crypto/sha256_s390.c
@@ -16,17 +16,17 @@
* any later version.
*
*/
+#include <crypto/internal/hash.h>
#include <linux/init.h>
#include <linux/module.h>
-#include <linux/crypto.h>
#include <crypto/sha.h>
#include "crypt_s390.h"
#include "sha.h"
-static void sha256_init(struct crypto_tfm *tfm)
+static int sha256_init(struct shash_desc *desc)
{
- struct s390_sha_ctx *sctx = crypto_tfm_ctx(tfm);
+ struct s390_sha_ctx *sctx = shash_desc_ctx(desc);
sctx->state[0] = SHA256_H0;
sctx->state[1] = SHA256_H1;
@@ -38,22 +38,24 @@ static void sha256_init(struct crypto_tfm *tfm)
sctx->state[7] = SHA256_H7;
sctx->count = 0;
sctx->func = KIMD_SHA_256;
+
+ return 0;
}
-static struct crypto_alg alg = {
- .cra_name = "sha256",
- .cra_driver_name = "sha256-s390",
- .cra_priority = CRYPT_S390_PRIORITY,
- .cra_flags = CRYPTO_ALG_TYPE_DIGEST,
- .cra_blocksize = SHA256_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct s390_sha_ctx),
- .cra_module = THIS_MODULE,
- .cra_list = LIST_HEAD_INIT(alg.cra_list),
- .cra_u = { .digest = {
- .dia_digestsize = SHA256_DIGEST_SIZE,
- .dia_init = sha256_init,
- .dia_update = s390_sha_update,
- .dia_final = s390_sha_final } }
+static struct shash_alg alg = {
+ .digestsize = SHA256_DIGEST_SIZE,
+ .init = sha256_init,
+ .update = s390_sha_update,
+ .final = s390_sha_final,
+ .descsize = sizeof(struct s390_sha_ctx),
+ .base = {
+ .cra_name = "sha256",
+ .cra_driver_name= "sha256-s390",
+ .cra_priority = CRYPT_S390_PRIORITY,
+ .cra_flags = CRYPTO_ALG_TYPE_SHASH,
+ .cra_blocksize = SHA256_BLOCK_SIZE,
+ .cra_module = THIS_MODULE,
+ }
};
static int sha256_s390_init(void)
@@ -61,12 +63,12 @@ static int sha256_s390_init(void)
if (!crypt_s390_func_available(KIMD_SHA_256))
return -EOPNOTSUPP;
- return crypto_register_alg(&alg);
+ return crypto_register_shash(&alg);
}
static void __exit sha256_s390_fini(void)
{
- crypto_unregister_alg(&alg);
+ crypto_unregister_shash(&alg);
}
module_init(sha256_s390_init);
diff --git a/arch/s390/crypto/sha512_s390.c b/arch/s390/crypto/sha512_s390.c
index 23c7861f6aeb..420acf41b727 100644
--- a/arch/s390/crypto/sha512_s390.c
+++ b/arch/s390/crypto/sha512_s390.c
@@ -12,16 +12,16 @@
* any later version.
*
*/
+#include <crypto/internal/hash.h>
#include <linux/init.h>
#include <linux/module.h>
-#include <linux/crypto.h>
#include "sha.h"
#include "crypt_s390.h"
-static void sha512_init(struct crypto_tfm *tfm)
+static int sha512_init(struct shash_desc *desc)
{
- struct s390_sha_ctx *ctx = crypto_tfm_ctx(tfm);
+ struct s390_sha_ctx *ctx = shash_desc_ctx(desc);
*(__u64 *)&ctx->state[0] = 0x6a09e667f3bcc908ULL;
*(__u64 *)&ctx->state[2] = 0xbb67ae8584caa73bULL;
@@ -33,29 +33,31 @@ static void sha512_init(struct crypto_tfm *tfm)
*(__u64 *)&ctx->state[14] = 0x5be0cd19137e2179ULL;
ctx->count = 0;
ctx->func = KIMD_SHA_512;
+
+ return 0;
}
-static struct crypto_alg sha512_alg = {
- .cra_name = "sha512",
- .cra_driver_name = "sha512-s390",
- .cra_priority = CRYPT_S390_PRIORITY,
- .cra_flags = CRYPTO_ALG_TYPE_DIGEST,
- .cra_blocksize = SHA512_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct s390_sha_ctx),
- .cra_module = THIS_MODULE,
- .cra_list = LIST_HEAD_INIT(sha512_alg.cra_list),
- .cra_u = { .digest = {
- .dia_digestsize = SHA512_DIGEST_SIZE,
- .dia_init = sha512_init,
- .dia_update = s390_sha_update,
- .dia_final = s390_sha_final } }
+static struct shash_alg sha512_alg = {
+ .digestsize = SHA512_DIGEST_SIZE,
+ .init = sha512_init,
+ .update = s390_sha_update,
+ .final = s390_sha_final,
+ .descsize = sizeof(struct s390_sha_ctx),
+ .base = {
+ .cra_name = "sha512",
+ .cra_driver_name= "sha512-s390",
+ .cra_priority = CRYPT_S390_PRIORITY,
+ .cra_flags = CRYPTO_ALG_TYPE_SHASH,
+ .cra_blocksize = SHA512_BLOCK_SIZE,
+ .cra_module = THIS_MODULE,
+ }
};
MODULE_ALIAS("sha512");
-static void sha384_init(struct crypto_tfm *tfm)
+static int sha384_init(struct shash_desc *desc)
{
- struct s390_sha_ctx *ctx = crypto_tfm_ctx(tfm);
+ struct s390_sha_ctx *ctx = shash_desc_ctx(desc);
*(__u64 *)&ctx->state[0] = 0xcbbb9d5dc1059ed8ULL;
*(__u64 *)&ctx->state[2] = 0x629a292a367cd507ULL;
@@ -67,22 +69,24 @@ static void sha384_init(struct crypto_tfm *tfm)
*(__u64 *)&ctx->state[14] = 0x47b5481dbefa4fa4ULL;
ctx->count = 0;
ctx->func = KIMD_SHA_512;
+
+ return 0;
}
-static struct crypto_alg sha384_alg = {
- .cra_name = "sha384",
- .cra_driver_name = "sha384-s390",
- .cra_priority = CRYPT_S390_PRIORITY,
- .cra_flags = CRYPTO_ALG_TYPE_DIGEST,
- .cra_blocksize = SHA384_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct s390_sha_ctx),
- .cra_module = THIS_MODULE,
- .cra_list = LIST_HEAD_INIT(sha384_alg.cra_list),
- .cra_u = { .digest = {
- .dia_digestsize = SHA384_DIGEST_SIZE,
- .dia_init = sha384_init,
- .dia_update = s390_sha_update,
- .dia_final = s390_sha_final } }
+static struct shash_alg sha384_alg = {
+ .digestsize = SHA384_DIGEST_SIZE,
+ .init = sha384_init,
+ .update = s390_sha_update,
+ .final = s390_sha_final,
+ .descsize = sizeof(struct s390_sha_ctx),
+ .base = {
+ .cra_name = "sha384",
+ .cra_driver_name= "sha384-s390",
+ .cra_priority = CRYPT_S390_PRIORITY,
+ .cra_flags = CRYPTO_ALG_TYPE_SHASH,
+ .cra_ctxsize = sizeof(struct s390_sha_ctx),
+ .cra_module = THIS_MODULE,
+ }
};
MODULE_ALIAS("sha384");
@@ -93,18 +97,18 @@ static int __init init(void)
if (!crypt_s390_func_available(KIMD_SHA_512))
return -EOPNOTSUPP;
- if ((ret = crypto_register_alg(&sha512_alg)) < 0)
+ if ((ret = crypto_register_shash(&sha512_alg)) < 0)
goto out;
- if ((ret = crypto_register_alg(&sha384_alg)) < 0)
- crypto_unregister_alg(&sha512_alg);
+ if ((ret = crypto_register_shash(&sha384_alg)) < 0)
+ crypto_unregister_shash(&sha512_alg);
out:
return ret;
}
static void __exit fini(void)
{
- crypto_unregister_alg(&sha512_alg);
- crypto_unregister_alg(&sha384_alg);
+ crypto_unregister_shash(&sha512_alg);
+ crypto_unregister_shash(&sha384_alg);
}
module_init(init);
diff --git a/arch/s390/crypto/sha_common.c b/arch/s390/crypto/sha_common.c
index 9d6eb8c3d37e..7903ec47e6b9 100644
--- a/arch/s390/crypto/sha_common.c
+++ b/arch/s390/crypto/sha_common.c
@@ -13,14 +13,14 @@
*
*/
-#include <linux/crypto.h>
+#include <crypto/internal/hash.h>
#include "sha.h"
#include "crypt_s390.h"
-void s390_sha_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len)
+int s390_sha_update(struct shash_desc *desc, const u8 *data, unsigned int len)
{
- struct s390_sha_ctx *ctx = crypto_tfm_ctx(tfm);
- unsigned int bsize = crypto_tfm_alg_blocksize(tfm);
+ struct s390_sha_ctx *ctx = shash_desc_ctx(desc);
+ unsigned int bsize = crypto_shash_blocksize(desc->tfm);
unsigned int index;
int ret;
@@ -51,13 +51,15 @@ void s390_sha_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len)
store:
if (len)
memcpy(ctx->buf + index , data, len);
+
+ return 0;
}
EXPORT_SYMBOL_GPL(s390_sha_update);
-void s390_sha_final(struct crypto_tfm *tfm, u8 *out)
+int s390_sha_final(struct shash_desc *desc, u8 *out)
{
- struct s390_sha_ctx *ctx = crypto_tfm_ctx(tfm);
- unsigned int bsize = crypto_tfm_alg_blocksize(tfm);
+ struct s390_sha_ctx *ctx = shash_desc_ctx(desc);
+ unsigned int bsize = crypto_shash_blocksize(desc->tfm);
u64 bits;
unsigned int index, end, plen;
int ret;
@@ -87,9 +89,11 @@ void s390_sha_final(struct crypto_tfm *tfm, u8 *out)
BUG_ON(ret != end);
/* copy digest to out */
- memcpy(out, ctx->state, crypto_hash_digestsize(crypto_hash_cast(tfm)));
+ memcpy(out, ctx->state, crypto_shash_digestsize(desc->tfm));
/* wipe context */
memset(ctx, 0, sizeof *ctx);
+
+ return 0;
}
EXPORT_SYMBOL_GPL(s390_sha_final);