[CRYPTO] xcbc: Use new cipher interface
Herbert Xu [Sat, 23 Dec 2006 22:59:42 +0000 (09:59 +1100)]
This patch changes xcbc to use the new cipher encryt_one interface.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

crypto/xcbc.c

index d7b4be0..53e8ccb 100644 (file)
@@ -48,7 +48,7 @@ static u_int32_t ks[12] = {0x01010101, 0x01010101, 0x01010101, 0x01010101,
  * +------------------------
  */
 struct crypto_xcbc_ctx {
-       struct crypto_tfm *child;
+       struct crypto_cipher *child;
        u8 *odds;
        u8 *prev;
        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)))
            return err;
 
-       ctx->child->__crt_alg->cra_cipher.cia_encrypt(ctx->child, key1,
-                       ctx->consts);
+       crypto_cipher_encrypt_one(ctx->child, key1, ctx->consts);
 
        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);
 
-       if (keylen != crypto_tfm_alg_blocksize(ctx->child))
+       if (keylen != crypto_cipher_blocksize(ctx->child))
                return -EINVAL;
 
        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_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);
        unsigned int i = 0;
 
@@ -143,7 +142,7 @@ static int crypto_xcbc_digest_update2(struct hash_desc *pdesc,
                                        offset += len;
 
                                crypto_kunmap(p, 0);
-                               crypto_yield(tfm->crt_flags);
+                               crypto_yield(pdesc->flags);
                                continue;
                        }
 
@@ -153,7 +152,7 @@ static int crypto_xcbc_digest_update2(struct hash_desc *pdesc,
                        p += bs - ctx->len;
 
                        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 */
                        ctx->len = 0;
@@ -161,7 +160,8 @@ static int crypto_xcbc_digest_update2(struct hash_desc *pdesc,
                        /* encrypting the rest of data */
                        while (len > 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;
                                len -= bs;
                        }
@@ -172,7 +172,7 @@ static int crypto_xcbc_digest_update2(struct hash_desc *pdesc,
                                ctx->len = len;
                        }
                        crypto_kunmap(p, 0);
-                       crypto_yield(tfm->crt_flags);
+                       crypto_yield(pdesc->flags);
                        slen -= min(slen, ((unsigned int)(PAGE_SIZE)) - offset);
                        offset = 0;
                        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_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 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)
                        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, key2, bs);
                _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 {
                u8 key3[bs];
                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)
                        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, key3, bs);
 
                _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;