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authorAdrian-Ken Rueegsegger <ken@codelabs.ch>2008-12-03 19:58:32 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2008-12-25 11:02:21 +1100
commitf63fbd3d501b4283e1551e195cb74434a838064f (patch)
treed43019ed57263dc44f15c06a62c46107003dee1b /crypto
parent50e109b5b9c1f734e91a6e9b557bce48c9a88654 (diff)
downloadconfigs-f63fbd3d501b4283e1551e195cb74434a838064f.tar.gz
crypto: tgr192 - Switch to shash
This patch changes tgr192, tgr160 and tgr128 to the new shash interface. Signed-off-by: Adrian-Ken Rueegsegger <ken@codelabs.ch> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto')
-rw-r--r--crypto/Kconfig2
-rw-r--r--crypto/tgr192.c135
2 files changed, 72 insertions, 65 deletions
diff --git a/crypto/Kconfig b/crypto/Kconfig
index 3d04fa880e4..a863d7e5f9e 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -381,7 +381,7 @@ config CRYPTO_SHA512
config CRYPTO_TGR192
tristate "Tiger digest algorithms"
- select CRYPTO_ALGAPI
+ select CRYPTO_HASH
help
Tiger hash algorithm 192, 160 and 128-bit hashes
diff --git a/crypto/tgr192.c b/crypto/tgr192.c
index a92414f24be..cbca4f208c9 100644
--- a/crypto/tgr192.c
+++ b/crypto/tgr192.c
@@ -21,11 +21,11 @@
* (at your option) any later version.
*
*/
+#include <crypto/internal/hash.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/mm.h>
#include <asm/byteorder.h>
-#include <linux/crypto.h>
#include <linux/types.h>
#define TGR192_DIGEST_SIZE 24
@@ -495,24 +495,26 @@ static void tgr192_transform(struct tgr192_ctx *tctx, const u8 * data)
tctx->c = c;
}
-static void tgr192_init(struct crypto_tfm *tfm)
+static int tgr192_init(struct shash_desc *desc)
{
- struct tgr192_ctx *tctx = crypto_tfm_ctx(tfm);
+ struct tgr192_ctx *tctx = shash_desc_ctx(desc);
tctx->a = 0x0123456789abcdefULL;
tctx->b = 0xfedcba9876543210ULL;
tctx->c = 0xf096a5b4c3b2e187ULL;
tctx->nblocks = 0;
tctx->count = 0;
+
+ return 0;
}
/* Update the message digest with the contents
* of INBUF with length INLEN. */
-static void tgr192_update(struct crypto_tfm *tfm, const u8 *inbuf,
+static int tgr192_update(struct shash_desc *desc, const u8 *inbuf,
unsigned int len)
{
- struct tgr192_ctx *tctx = crypto_tfm_ctx(tfm);
+ struct tgr192_ctx *tctx = shash_desc_ctx(desc);
if (tctx->count == 64) { /* flush the buffer */
tgr192_transform(tctx, tctx->hash);
@@ -520,15 +522,15 @@ static void tgr192_update(struct crypto_tfm *tfm, const u8 *inbuf,
tctx->nblocks++;
}
if (!inbuf) {
- return;
+ return 0;
}
if (tctx->count) {
for (; len && tctx->count < 64; len--) {
tctx->hash[tctx->count++] = *inbuf++;
}
- tgr192_update(tfm, NULL, 0);
+ tgr192_update(desc, NULL, 0);
if (!len) {
- return;
+ return 0;
}
}
@@ -543,20 +545,22 @@ static void tgr192_update(struct crypto_tfm *tfm, const u8 *inbuf,
for (; len && tctx->count < 64; len--) {
tctx->hash[tctx->count++] = *inbuf++;
}
+
+ return 0;
}
/* The routine terminates the computation */
-static void tgr192_final(struct crypto_tfm *tfm, u8 * out)
+static int tgr192_final(struct shash_desc *desc, u8 * out)
{
- struct tgr192_ctx *tctx = crypto_tfm_ctx(tfm);
+ struct tgr192_ctx *tctx = shash_desc_ctx(desc);
__be64 *dst = (__be64 *)out;
__be64 *be64p;
__le32 *le32p;
u32 t, msb, lsb;
- tgr192_update(tfm, NULL, 0); /* flush */ ;
+ tgr192_update(desc, NULL, 0); /* flush */ ;
msb = 0;
t = tctx->nblocks;
@@ -584,7 +588,7 @@ static void tgr192_final(struct crypto_tfm *tfm, u8 * out)
while (tctx->count < 64) {
tctx->hash[tctx->count++] = 0;
}
- tgr192_update(tfm, NULL, 0); /* flush */ ;
+ tgr192_update(desc, NULL, 0); /* flush */ ;
memset(tctx->hash, 0, 56); /* fill next block with zeroes */
}
/* append the 64 bit count */
@@ -598,91 +602,94 @@ static void tgr192_final(struct crypto_tfm *tfm, u8 * out)
dst[0] = be64p[0] = cpu_to_be64(tctx->a);
dst[1] = be64p[1] = cpu_to_be64(tctx->b);
dst[2] = be64p[2] = cpu_to_be64(tctx->c);
+
+ return 0;
}
-static void tgr160_final(struct crypto_tfm *tfm, u8 * out)
+static int tgr160_final(struct shash_desc *desc, u8 * out)
{
u8 D[64];
- tgr192_final(tfm, D);
+ tgr192_final(desc, D);
memcpy(out, D, TGR160_DIGEST_SIZE);
memset(D, 0, TGR192_DIGEST_SIZE);
+
+ return 0;
}
-static void tgr128_final(struct crypto_tfm *tfm, u8 * out)
+static int tgr128_final(struct shash_desc *desc, u8 * out)
{
u8 D[64];
- tgr192_final(tfm, D);
+ tgr192_final(desc, D);
memcpy(out, D, TGR128_DIGEST_SIZE);
memset(D, 0, TGR192_DIGEST_SIZE);
+
+ return 0;
}
-static struct crypto_alg tgr192 = {
- .cra_name = "tgr192",
- .cra_flags = CRYPTO_ALG_TYPE_DIGEST,
- .cra_blocksize = TGR192_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct tgr192_ctx),
- .cra_module = THIS_MODULE,
- .cra_alignmask = 7,
- .cra_list = LIST_HEAD_INIT(tgr192.cra_list),
- .cra_u = {.digest = {
- .dia_digestsize = TGR192_DIGEST_SIZE,
- .dia_init = tgr192_init,
- .dia_update = tgr192_update,
- .dia_final = tgr192_final}}
+static struct shash_alg tgr192 = {
+ .digestsize = TGR192_DIGEST_SIZE,
+ .init = tgr192_init,
+ .update = tgr192_update,
+ .final = tgr192_final,
+ .descsize = sizeof(struct tgr192_ctx),
+ .base = {
+ .cra_name = "tgr192",
+ .cra_flags = CRYPTO_ALG_TYPE_SHASH,
+ .cra_blocksize = TGR192_BLOCK_SIZE,
+ .cra_module = THIS_MODULE,
+ }
};
-static struct crypto_alg tgr160 = {
- .cra_name = "tgr160",
- .cra_flags = CRYPTO_ALG_TYPE_DIGEST,
- .cra_blocksize = TGR192_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct tgr192_ctx),
- .cra_module = THIS_MODULE,
- .cra_alignmask = 7,
- .cra_list = LIST_HEAD_INIT(tgr160.cra_list),
- .cra_u = {.digest = {
- .dia_digestsize = TGR160_DIGEST_SIZE,
- .dia_init = tgr192_init,
- .dia_update = tgr192_update,
- .dia_final = tgr160_final}}
+static struct shash_alg tgr160 = {
+ .digestsize = TGR160_DIGEST_SIZE,
+ .init = tgr192_init,
+ .update = tgr192_update,
+ .final = tgr160_final,
+ .descsize = sizeof(struct tgr192_ctx),
+ .base = {
+ .cra_name = "tgr160",
+ .cra_flags = CRYPTO_ALG_TYPE_SHASH,
+ .cra_blocksize = TGR192_BLOCK_SIZE,
+ .cra_module = THIS_MODULE,
+ }
};
-static struct crypto_alg tgr128 = {
- .cra_name = "tgr128",
- .cra_flags = CRYPTO_ALG_TYPE_DIGEST,
- .cra_blocksize = TGR192_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct tgr192_ctx),
- .cra_module = THIS_MODULE,
- .cra_alignmask = 7,
- .cra_list = LIST_HEAD_INIT(tgr128.cra_list),
- .cra_u = {.digest = {
- .dia_digestsize = TGR128_DIGEST_SIZE,
- .dia_init = tgr192_init,
- .dia_update = tgr192_update,
- .dia_final = tgr128_final}}
+static struct shash_alg tgr128 = {
+ .digestsize = TGR128_DIGEST_SIZE,
+ .init = tgr192_init,
+ .update = tgr192_update,
+ .final = tgr128_final,
+ .descsize = sizeof(struct tgr192_ctx),
+ .base = {
+ .cra_name = "tgr128",
+ .cra_flags = CRYPTO_ALG_TYPE_SHASH,
+ .cra_blocksize = TGR192_BLOCK_SIZE,
+ .cra_module = THIS_MODULE,
+ }
};
static int __init tgr192_mod_init(void)
{
int ret = 0;
- ret = crypto_register_alg(&tgr192);
+ ret = crypto_register_shash(&tgr192);
if (ret < 0) {
goto out;
}
- ret = crypto_register_alg(&tgr160);
+ ret = crypto_register_shash(&tgr160);
if (ret < 0) {
- crypto_unregister_alg(&tgr192);
+ crypto_unregister_shash(&tgr192);
goto out;
}
- ret = crypto_register_alg(&tgr128);
+ ret = crypto_register_shash(&tgr128);
if (ret < 0) {
- crypto_unregister_alg(&tgr192);
- crypto_unregister_alg(&tgr160);
+ crypto_unregister_shash(&tgr192);
+ crypto_unregister_shash(&tgr160);
}
out:
return ret;
@@ -690,9 +697,9 @@ static int __init tgr192_mod_init(void)
static void __exit tgr192_mod_fini(void)
{
- crypto_unregister_alg(&tgr192);
- crypto_unregister_alg(&tgr160);
- crypto_unregister_alg(&tgr128);
+ crypto_unregister_shash(&tgr192);
+ crypto_unregister_shash(&tgr160);
+ crypto_unregister_shash(&tgr128);
}
MODULE_ALIAS("tgr160");