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[CRYPTO] xcbc: Use new cipher interface

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This patch changes xcbc to use the new cipher encryt_one interface.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2006-12-24 09:59:42 +11:00
parent 27d2a33007
commit 6b701dde8e
1 changed files with 16 additions and 14 deletions
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30
crypto/xcbc.c
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@ -48,7 +48,7 @@ static u_int32_t ks[12] = {0x01010101, 0x01010101, 0x01010101, 0x01010101,
* +------------------------ * +------------------------
*/ */
struct crypto_xcbc_ctx { struct crypto_xcbc_ctx {
struct crypto_tfm *child; struct crypto_cipher *child;
u8 *odds; u8 *odds;
u8 *prev; u8 *prev;
u8 *key; u8 *key;
@ -76,8 +76,7 @@ static int _crypto_xcbc_digest_setkey(struct crypto_hash *parent,
if ((err = crypto_cipher_setkey(ctx->child, ctx->key, ctx->keylen))) if ((err = crypto_cipher_setkey(ctx->child, ctx->key, ctx->keylen)))
return err; return err;
ctx->child->__crt_alg->cra_cipher.cia_encrypt(ctx->child, key1, crypto_cipher_encrypt_one(ctx->child, key1, ctx->consts);
ctx->consts);
return crypto_cipher_setkey(ctx->child, key1, bs); return crypto_cipher_setkey(ctx->child, key1, bs);
} }
@ -87,7 +86,7 @@ static int crypto_xcbc_digest_setkey(struct crypto_hash *parent,
{ {
struct crypto_xcbc_ctx *ctx = crypto_hash_ctx_aligned(parent); struct crypto_xcbc_ctx *ctx = crypto_hash_ctx_aligned(parent);
if (keylen != crypto_tfm_alg_blocksize(ctx->child)) if (keylen != crypto_cipher_blocksize(ctx->child))
return -EINVAL; return -EINVAL;
ctx->keylen = keylen; ctx->keylen = keylen;
@ -115,7 +114,7 @@ static int crypto_xcbc_digest_update2(struct hash_desc *pdesc,
{ {
struct crypto_hash *parent = pdesc->tfm; struct crypto_hash *parent = pdesc->tfm;
struct crypto_xcbc_ctx *ctx = crypto_hash_ctx_aligned(parent); struct crypto_xcbc_ctx *ctx = crypto_hash_ctx_aligned(parent);
struct crypto_tfm *tfm = ctx->child; struct crypto_cipher *tfm = ctx->child;
int bs = crypto_hash_blocksize(parent); int bs = crypto_hash_blocksize(parent);
unsigned int i = 0; unsigned int i = 0;
@ -143,7 +142,7 @@ static int crypto_xcbc_digest_update2(struct hash_desc *pdesc,
offset += len; offset += len;
crypto_kunmap(p, 0); crypto_kunmap(p, 0);
crypto_yield(tfm->crt_flags); crypto_yield(pdesc->flags);
continue; continue;
} }
@ -153,7 +152,7 @@ static int crypto_xcbc_digest_update2(struct hash_desc *pdesc,
p += bs - ctx->len; p += bs - ctx->len;
ctx->xor(ctx->prev, ctx->odds, bs); ctx->xor(ctx->prev, ctx->odds, bs);
tfm->__crt_alg->cra_cipher.cia_encrypt(tfm, ctx->prev, ctx->prev); crypto_cipher_encrypt_one(tfm, ctx->prev, ctx->prev);
/* clearing the length */ /* clearing the length */
ctx->len = 0; ctx->len = 0;
@ -161,7 +160,8 @@ static int crypto_xcbc_digest_update2(struct hash_desc *pdesc,
/* encrypting the rest of data */ /* encrypting the rest of data */
while (len > bs) { while (len > bs) {
ctx->xor(ctx->prev, p, bs); ctx->xor(ctx->prev, p, bs);
tfm->__crt_alg->cra_cipher.cia_encrypt(tfm, ctx->prev, ctx->prev); crypto_cipher_encrypt_one(tfm, ctx->prev,
ctx->prev);
p += bs; p += bs;
len -= bs; len -= bs;
} }
@ -172,7 +172,7 @@ static int crypto_xcbc_digest_update2(struct hash_desc *pdesc,
ctx->len = len; ctx->len = len;
} }
crypto_kunmap(p, 0); crypto_kunmap(p, 0);
crypto_yield(tfm->crt_flags); crypto_yield(pdesc->flags);
slen -= min(slen, ((unsigned int)(PAGE_SIZE)) - offset); slen -= min(slen, ((unsigned int)(PAGE_SIZE)) - offset);
offset = 0; offset = 0;
pg++; pg++;
@ -197,7 +197,7 @@ static int crypto_xcbc_digest_final(struct hash_desc *pdesc, u8 *out)
{ {
struct crypto_hash *parent = pdesc->tfm; struct crypto_hash *parent = pdesc->tfm;
struct crypto_xcbc_ctx *ctx = crypto_hash_ctx_aligned(parent); struct crypto_xcbc_ctx *ctx = crypto_hash_ctx_aligned(parent);
struct crypto_tfm *tfm = ctx->child; struct crypto_cipher *tfm = ctx->child;
int bs = crypto_hash_blocksize(parent); int bs = crypto_hash_blocksize(parent);
int err = 0; int err = 0;
@ -207,13 +207,14 @@ static int crypto_xcbc_digest_final(struct hash_desc *pdesc, u8 *out)
if ((err = crypto_cipher_setkey(tfm, ctx->key, ctx->keylen)) != 0) if ((err = crypto_cipher_setkey(tfm, ctx->key, ctx->keylen)) != 0)
return err; return err;
tfm->__crt_alg->cra_cipher.cia_encrypt(tfm, key2, (const u8*)(ctx->consts+bs)); crypto_cipher_encrypt_one(tfm, key2,
(u8 *)(ctx->consts + bs));
ctx->xor(ctx->prev, ctx->odds, bs); ctx->xor(ctx->prev, ctx->odds, bs);
ctx->xor(ctx->prev, key2, bs); ctx->xor(ctx->prev, key2, bs);
_crypto_xcbc_digest_setkey(parent, ctx); _crypto_xcbc_digest_setkey(parent, ctx);
tfm->__crt_alg->cra_cipher.cia_encrypt(tfm, out, ctx->prev); crypto_cipher_encrypt_one(tfm, out, ctx->prev);
} else { } else {
u8 key3[bs]; u8 key3[bs];
unsigned int rlen; unsigned int rlen;
@ -228,14 +229,15 @@ static int crypto_xcbc_digest_final(struct hash_desc *pdesc, u8 *out)
if ((err = crypto_cipher_setkey(tfm, ctx->key, ctx->keylen)) != 0) if ((err = crypto_cipher_setkey(tfm, ctx->key, ctx->keylen)) != 0)
return err; return err;
tfm->__crt_alg->cra_cipher.cia_encrypt(tfm, key3, (const u8*)(ctx->consts+bs*2)); crypto_cipher_encrypt_one(tfm, key3,
(u8 *)(ctx->consts + bs * 2));
ctx->xor(ctx->prev, ctx->odds, bs); ctx->xor(ctx->prev, ctx->odds, bs);
ctx->xor(ctx->prev, key3, bs); ctx->xor(ctx->prev, key3, bs);
_crypto_xcbc_digest_setkey(parent, ctx); _crypto_xcbc_digest_setkey(parent, ctx);
tfm->__crt_alg->cra_cipher.cia_encrypt(tfm, out, ctx->prev); crypto_cipher_encrypt_one(tfm, out, ctx->prev);
} }
return 0; return 0;