* (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/scatterlist.h>
-#include <linux/crypto.h>
+#include <asm/byteorder.h>
+#include <linux/types.h>
#define TGR192_DIGEST_SIZE 24
#define TGR160_DIGEST_SIZE 20
u64 a, b, c, aa, bb, cc;
u64 x[8];
int i;
- const u8 *ptr = data;
-
- for (i = 0; i < 8; i++, ptr += 8) {
- x[i] = (((u64)ptr[7] ) << 56) ^
- (((u64)ptr[6] & 0xffL) << 48) ^
- (((u64)ptr[5] & 0xffL) << 40) ^
- (((u64)ptr[4] & 0xffL) << 32) ^
- (((u64)ptr[3] & 0xffL) << 24) ^
- (((u64)ptr[2] & 0xffL) << 16) ^
- (((u64)ptr[1] & 0xffL) << 8) ^
- (((u64)ptr[0] & 0xffL) );
- }
+ const __le64 *ptr = (const __le64 *)data;
+
+ for (i = 0; i < 8; i++)
+ x[i] = le64_to_cpu(ptr[i]);
/* save */
a = aa = tctx->a;
tctx->c = c;
}
-static void tgr192_init(void *ctx)
+static int tgr192_init(struct shash_desc *desc)
{
- struct tgr192_ctx *tctx = ctx;
+ struct tgr192_ctx *tctx = shash_desc_ctx(desc);
- memset (tctx->hash, 0, 64);
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(void *ctx, const u8 * inbuf, unsigned int len)
+static int tgr192_update(struct shash_desc *desc, const u8 *inbuf,
+ unsigned int len)
{
- struct tgr192_ctx *tctx = ctx;
+ struct tgr192_ctx *tctx = shash_desc_ctx(desc);
if (tctx->count == 64) { /* flush the buffer */
tgr192_transform(tctx, tctx->hash);
tctx->nblocks++;
}
if (!inbuf) {
- return;
+ return 0;
}
if (tctx->count) {
for (; len && tctx->count < 64; len--) {
tctx->hash[tctx->count++] = *inbuf++;
}
- tgr192_update(tctx, NULL, 0);
+ tgr192_update(desc, NULL, 0);
if (!len) {
- return;
+ return 0;
}
}
for (; len && tctx->count < 64; len--) {
tctx->hash[tctx->count++] = *inbuf++;
}
+
+ return 0;
}
/* The routine terminates the computation */
-static void tgr192_final(void *ctx, u8 * out)
+static int tgr192_final(struct shash_desc *desc, u8 * out)
{
- struct tgr192_ctx *tctx = ctx;
+ struct tgr192_ctx *tctx = shash_desc_ctx(desc);
+ __be64 *dst = (__be64 *)out;
+ __be64 *be64p;
+ __le32 *le32p;
u32 t, msb, lsb;
- u8 *p;
- int i, j;
- tgr192_update(tctx, NULL, 0); /* flush */ ;
+ tgr192_update(desc, NULL, 0); /* flush */ ;
msb = 0;
t = tctx->nblocks;
while (tctx->count < 64) {
tctx->hash[tctx->count++] = 0;
}
- tgr192_update(tctx, NULL, 0); /* flush */ ;
+ tgr192_update(desc, NULL, 0); /* flush */ ;
memset(tctx->hash, 0, 56); /* fill next block with zeroes */
}
/* append the 64 bit count */
- tctx->hash[56] = lsb;
- tctx->hash[57] = lsb >> 8;
- tctx->hash[58] = lsb >> 16;
- tctx->hash[59] = lsb >> 24;
- tctx->hash[60] = msb;
- tctx->hash[61] = msb >> 8;
- tctx->hash[62] = msb >> 16;
- tctx->hash[63] = msb >> 24;
+ le32p = (__le32 *)&tctx->hash[56];
+ le32p[0] = cpu_to_le32(lsb);
+ le32p[1] = cpu_to_le32(msb);
+
tgr192_transform(tctx, tctx->hash);
- p = tctx->hash;
- *p++ = tctx->a >> 56; *p++ = tctx->a >> 48; *p++ = tctx->a >> 40;
- *p++ = tctx->a >> 32; *p++ = tctx->a >> 24; *p++ = tctx->a >> 16;
- *p++ = tctx->a >> 8; *p++ = tctx->a;\
- *p++ = tctx->b >> 56; *p++ = tctx->b >> 48; *p++ = tctx->b >> 40;
- *p++ = tctx->b >> 32; *p++ = tctx->b >> 24; *p++ = tctx->b >> 16;
- *p++ = tctx->b >> 8; *p++ = tctx->b;
- *p++ = tctx->c >> 56; *p++ = tctx->c >> 48; *p++ = tctx->c >> 40;
- *p++ = tctx->c >> 32; *p++ = tctx->c >> 24; *p++ = tctx->c >> 16;
- *p++ = tctx->c >> 8; *p++ = tctx->c;
-
-
- /* unpack the hash */
- j = 7;
- for (i = 0; i < 8; i++) {
- out[j--] = (tctx->a >> 8 * i) & 0xff;
- }
- j = 15;
- for (i = 0; i < 8; i++) {
- out[j--] = (tctx->b >> 8 * i) & 0xff;
- }
- j = 23;
- for (i = 0; i < 8; i++) {
- out[j--] = (tctx->c >> 8 * i) & 0xff;
- }
+ be64p = (__be64 *)tctx->hash;
+ 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(void *ctx, u8 * out)
+static int tgr160_final(struct shash_desc *desc, u8 * out)
{
- struct tgr192_ctx *wctx = ctx;
u8 D[64];
- tgr192_final(wctx, D);
+ tgr192_final(desc, D);
memcpy(out, D, TGR160_DIGEST_SIZE);
memset(D, 0, TGR192_DIGEST_SIZE);
+
+ return 0;
}
-static void tgr128_final(void *ctx, u8 * out)
+static int tgr128_final(struct shash_desc *desc, u8 * out)
{
- struct tgr192_ctx *wctx = ctx;
u8 D[64];
- tgr192_final(wctx, 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_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_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_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 init(void)
+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;
}
-static void __exit fini(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");
MODULE_ALIAS("tgr128");
-module_init(init);
-module_exit(fini);
+module_init(tgr192_mod_init);
+module_exit(tgr192_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Tiger Message Digest Algorithm");
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff