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Diffstat (limited to 'arch/x86/crypto/serpent_sse2_glue.c')
-rw-r--r--arch/x86/crypto/serpent_sse2_glue.c513
1 files changed, 100 insertions, 413 deletions
diff --git a/arch/x86/crypto/serpent_sse2_glue.c b/arch/x86/crypto/serpent_sse2_glue.c
index 4b21be8..d679c86 100644
--- a/arch/x86/crypto/serpent_sse2_glue.c
+++ b/arch/x86/crypto/serpent_sse2_glue.c
@@ -41,358 +41,145 @@
#include <crypto/ctr.h>
#include <crypto/lrw.h>
#include <crypto/xts.h>
-#include <asm/i387.h>
-#include <asm/serpent.h>
-#include <crypto/scatterwalk.h>
-#include <linux/workqueue.h>
-#include <linux/spinlock.h>
-
-struct async_serpent_ctx {
- struct cryptd_ablkcipher *cryptd_tfm;
-};
+#include <asm/crypto/serpent-sse2.h>
+#include <asm/crypto/ablk_helper.h>
+#include <asm/crypto/glue_helper.h>
-static inline bool serpent_fpu_begin(bool fpu_enabled, unsigned int nbytes)
-{
- if (fpu_enabled)
- return true;
-
- /* SSE2 is only used when chunk to be processed is large enough, so
- * do not enable FPU until it is necessary.
- */
- if (nbytes < SERPENT_BLOCK_SIZE * SERPENT_PARALLEL_BLOCKS)
- return false;
-
- kernel_fpu_begin();
- return true;
-}
-
-static inline void serpent_fpu_end(bool fpu_enabled)
+static void serpent_decrypt_cbc_xway(void *ctx, u128 *dst, const u128 *src)
{
- if (fpu_enabled)
- kernel_fpu_end();
-}
-
-static int ecb_crypt(struct blkcipher_desc *desc, struct blkcipher_walk *walk,
- bool enc)
-{
- bool fpu_enabled = false;
- struct serpent_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
- const unsigned int bsize = SERPENT_BLOCK_SIZE;
- unsigned int nbytes;
- int err;
-
- err = blkcipher_walk_virt(desc, walk);
- desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
-
- while ((nbytes = walk->nbytes)) {
- u8 *wsrc = walk->src.virt.addr;
- u8 *wdst = walk->dst.virt.addr;
-
- fpu_enabled = serpent_fpu_begin(fpu_enabled, nbytes);
-
- /* Process multi-block batch */
- if (nbytes >= bsize * SERPENT_PARALLEL_BLOCKS) {
- do {
- if (enc)
- serpent_enc_blk_xway(ctx, wdst, wsrc);
- else
- serpent_dec_blk_xway(ctx, wdst, wsrc);
-
- wsrc += bsize * SERPENT_PARALLEL_BLOCKS;
- wdst += bsize * SERPENT_PARALLEL_BLOCKS;
- nbytes -= bsize * SERPENT_PARALLEL_BLOCKS;
- } while (nbytes >= bsize * SERPENT_PARALLEL_BLOCKS);
-
- if (nbytes < bsize)
- goto done;
- }
-
- /* Handle leftovers */
- do {
- if (enc)
- __serpent_encrypt(ctx, wdst, wsrc);
- else
- __serpent_decrypt(ctx, wdst, wsrc);
-
- wsrc += bsize;
- wdst += bsize;
- nbytes -= bsize;
- } while (nbytes >= bsize);
-
-done:
- err = blkcipher_walk_done(desc, walk, nbytes);
- }
+ u128 ivs[SERPENT_PARALLEL_BLOCKS - 1];
+ unsigned int j;
- serpent_fpu_end(fpu_enabled);
- return err;
-}
+ for (j = 0; j < SERPENT_PARALLEL_BLOCKS - 1; j++)
+ ivs[j] = src[j];
-static int ecb_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
- struct scatterlist *src, unsigned int nbytes)
-{
- struct blkcipher_walk walk;
+ serpent_dec_blk_xway(ctx, (u8 *)dst, (u8 *)src);
- blkcipher_walk_init(&walk, dst, src, nbytes);
- return ecb_crypt(desc, &walk, true);
+ for (j = 0; j < SERPENT_PARALLEL_BLOCKS - 1; j++)
+ u128_xor(dst + (j + 1), dst + (j + 1), ivs + j);
}
-static int ecb_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
- struct scatterlist *src, unsigned int nbytes)
+static void serpent_crypt_ctr(void *ctx, u128 *dst, const u128 *src, u128 *iv)
{
- struct blkcipher_walk walk;
+ be128 ctrblk;
- blkcipher_walk_init(&walk, dst, src, nbytes);
- return ecb_crypt(desc, &walk, false);
-}
+ u128_to_be128(&ctrblk, iv);
+ u128_inc(iv);
-static unsigned int __cbc_encrypt(struct blkcipher_desc *desc,
- struct blkcipher_walk *walk)
-{
- struct serpent_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
- const unsigned int bsize = SERPENT_BLOCK_SIZE;
- unsigned int nbytes = walk->nbytes;
- u128 *src = (u128 *)walk->src.virt.addr;
- u128 *dst = (u128 *)walk->dst.virt.addr;
- u128 *iv = (u128 *)walk->iv;
-
- do {
- u128_xor(dst, src, iv);
- __serpent_encrypt(ctx, (u8 *)dst, (u8 *)dst);
- iv = dst;
-
- src += 1;
- dst += 1;
- nbytes -= bsize;
- } while (nbytes >= bsize);
-
- u128_xor((u128 *)walk->iv, (u128 *)walk->iv, iv);
- return nbytes;
+ __serpent_encrypt(ctx, (u8 *)&ctrblk, (u8 *)&ctrblk);
+ u128_xor(dst, src, (u128 *)&ctrblk);
}
-static int cbc_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
- struct scatterlist *src, unsigned int nbytes)
+static void serpent_crypt_ctr_xway(void *ctx, u128 *dst, const u128 *src,
+ u128 *iv)
{
- struct blkcipher_walk walk;
- int err;
+ be128 ctrblks[SERPENT_PARALLEL_BLOCKS];
+ unsigned int i;
- blkcipher_walk_init(&walk, dst, src, nbytes);
- err = blkcipher_walk_virt(desc, &walk);
+ for (i = 0; i < SERPENT_PARALLEL_BLOCKS; i++) {
+ if (dst != src)
+ dst[i] = src[i];
- while ((nbytes = walk.nbytes)) {
- nbytes = __cbc_encrypt(desc, &walk);
- err = blkcipher_walk_done(desc, &walk, nbytes);
+ u128_to_be128(&ctrblks[i], iv);
+ u128_inc(iv);
}
- return err;
+ serpent_enc_blk_xway_xor(ctx, (u8 *)dst, (u8 *)ctrblks);
}
-static unsigned int __cbc_decrypt(struct blkcipher_desc *desc,
- struct blkcipher_walk *walk)
-{
- struct serpent_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
- const unsigned int bsize = SERPENT_BLOCK_SIZE;
- unsigned int nbytes = walk->nbytes;
- u128 *src = (u128 *)walk->src.virt.addr;
- u128 *dst = (u128 *)walk->dst.virt.addr;
- u128 ivs[SERPENT_PARALLEL_BLOCKS - 1];
- u128 last_iv;
- int i;
-
- /* Start of the last block. */
- src += nbytes / bsize - 1;
- dst += nbytes / bsize - 1;
-
- last_iv = *src;
-
- /* Process multi-block batch */
- if (nbytes >= bsize * SERPENT_PARALLEL_BLOCKS) {
- do {
- nbytes -= bsize * (SERPENT_PARALLEL_BLOCKS - 1);
- src -= SERPENT_PARALLEL_BLOCKS - 1;
- dst -= SERPENT_PARALLEL_BLOCKS - 1;
-
- for (i = 0; i < SERPENT_PARALLEL_BLOCKS - 1; i++)
- ivs[i] = src[i];
-
- serpent_dec_blk_xway(ctx, (u8 *)dst, (u8 *)src);
-
- for (i = 0; i < SERPENT_PARALLEL_BLOCKS - 1; i++)
- u128_xor(dst + (i + 1), dst + (i + 1), ivs + i);
-
- nbytes -= bsize;
- if (nbytes < bsize)
- goto done;
+static const struct common_glue_ctx serpent_enc = {
+ .num_funcs = 2,
+ .fpu_blocks_limit = SERPENT_PARALLEL_BLOCKS,
- u128_xor(dst, dst, src - 1);
- src -= 1;
- dst -= 1;
- } while (nbytes >= bsize * SERPENT_PARALLEL_BLOCKS);
-
- if (nbytes < bsize)
- goto done;
- }
-
- /* Handle leftovers */
- for (;;) {
- __serpent_decrypt(ctx, (u8 *)dst, (u8 *)src);
-
- nbytes -= bsize;
- if (nbytes < bsize)
- break;
+ .funcs = { {
+ .num_blocks = SERPENT_PARALLEL_BLOCKS,
+ .fn_u = { .ecb = GLUE_FUNC_CAST(serpent_enc_blk_xway) }
+ }, {
+ .num_blocks = 1,
+ .fn_u = { .ecb = GLUE_FUNC_CAST(__serpent_encrypt) }
+ } }
+};
- u128_xor(dst, dst, src - 1);
- src -= 1;
- dst -= 1;
- }
+static const struct common_glue_ctx serpent_ctr = {
+ .num_funcs = 2,
+ .fpu_blocks_limit = SERPENT_PARALLEL_BLOCKS,
+
+ .funcs = { {
+ .num_blocks = SERPENT_PARALLEL_BLOCKS,
+ .fn_u = { .ctr = GLUE_CTR_FUNC_CAST(serpent_crypt_ctr_xway) }
+ }, {
+ .num_blocks = 1,
+ .fn_u = { .ctr = GLUE_CTR_FUNC_CAST(serpent_crypt_ctr) }
+ } }
+};
-done:
- u128_xor(dst, dst, (u128 *)walk->iv);
- *(u128 *)walk->iv = last_iv;
+static const struct common_glue_ctx serpent_dec = {
+ .num_funcs = 2,
+ .fpu_blocks_limit = SERPENT_PARALLEL_BLOCKS,
+
+ .funcs = { {
+ .num_blocks = SERPENT_PARALLEL_BLOCKS,
+ .fn_u = { .ecb = GLUE_FUNC_CAST(serpent_dec_blk_xway) }
+ }, {
+ .num_blocks = 1,
+ .fn_u = { .ecb = GLUE_FUNC_CAST(__serpent_decrypt) }
+ } }
+};
- return nbytes;
-}
+static const struct common_glue_ctx serpent_dec_cbc = {
+ .num_funcs = 2,
+ .fpu_blocks_limit = SERPENT_PARALLEL_BLOCKS,
+
+ .funcs = { {
+ .num_blocks = SERPENT_PARALLEL_BLOCKS,
+ .fn_u = { .cbc = GLUE_CBC_FUNC_CAST(serpent_decrypt_cbc_xway) }
+ }, {
+ .num_blocks = 1,
+ .fn_u = { .cbc = GLUE_CBC_FUNC_CAST(__serpent_decrypt) }
+ } }
+};
-static int cbc_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
+static int ecb_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
struct scatterlist *src, unsigned int nbytes)
{
- bool fpu_enabled = false;
- struct blkcipher_walk walk;
- int err;
-
- blkcipher_walk_init(&walk, dst, src, nbytes);
- err = blkcipher_walk_virt(desc, &walk);
- desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
-
- while ((nbytes = walk.nbytes)) {
- fpu_enabled = serpent_fpu_begin(fpu_enabled, nbytes);
- nbytes = __cbc_decrypt(desc, &walk);
- err = blkcipher_walk_done(desc, &walk, nbytes);
- }
-
- serpent_fpu_end(fpu_enabled);
- return err;
+ return glue_ecb_crypt_128bit(&serpent_enc, desc, dst, src, nbytes);
}
-static inline void u128_to_be128(be128 *dst, const u128 *src)
+static int ecb_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
+ struct scatterlist *src, unsigned int nbytes)
{
- dst->a = cpu_to_be64(src->a);
- dst->b = cpu_to_be64(src->b);
+ return glue_ecb_crypt_128bit(&serpent_dec, desc, dst, src, nbytes);
}
-static inline void be128_to_u128(u128 *dst, const be128 *src)
+static int cbc_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
+ struct scatterlist *src, unsigned int nbytes)
{
- dst->a = be64_to_cpu(src->a);
- dst->b = be64_to_cpu(src->b);
+ return glue_cbc_encrypt_128bit(GLUE_FUNC_CAST(__serpent_encrypt), desc,
+ dst, src, nbytes);
}
-static inline void u128_inc(u128 *i)
+static int cbc_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
+ struct scatterlist *src, unsigned int nbytes)
{
- i->b++;
- if (!i->b)
- i->a++;
+ return glue_cbc_decrypt_128bit(&serpent_dec_cbc, desc, dst, src,
+ nbytes);
}
-static void ctr_crypt_final(struct blkcipher_desc *desc,
- struct blkcipher_walk *walk)
+static int ctr_crypt(struct blkcipher_desc *desc, struct scatterlist *dst,
+ struct scatterlist *src, unsigned int nbytes)
{
- struct serpent_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
- u8 *ctrblk = walk->iv;
- u8 keystream[SERPENT_BLOCK_SIZE];
- u8 *src = walk->src.virt.addr;
- u8 *dst = walk->dst.virt.addr;
- unsigned int nbytes = walk->nbytes;
-
- __serpent_encrypt(ctx, keystream, ctrblk);
- crypto_xor(keystream, src, nbytes);
- memcpy(dst, keystream, nbytes);
-
- crypto_inc(ctrblk, SERPENT_BLOCK_SIZE);
+ return glue_ctr_crypt_128bit(&serpent_ctr, desc, dst, src, nbytes);
}
-static unsigned int __ctr_crypt(struct blkcipher_desc *desc,
- struct blkcipher_walk *walk)
+static inline bool serpent_fpu_begin(bool fpu_enabled, unsigned int nbytes)
{
- struct serpent_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
- const unsigned int bsize = SERPENT_BLOCK_SIZE;
- unsigned int nbytes = walk->nbytes;
- u128 *src = (u128 *)walk->src.virt.addr;
- u128 *dst = (u128 *)walk->dst.virt.addr;
- u128 ctrblk;
- be128 ctrblocks[SERPENT_PARALLEL_BLOCKS];
- int i;
-
- be128_to_u128(&ctrblk, (be128 *)walk->iv);
-
- /* Process multi-block batch */
- if (nbytes >= bsize * SERPENT_PARALLEL_BLOCKS) {
- do {
- /* create ctrblks for parallel encrypt */
- for (i = 0; i < SERPENT_PARALLEL_BLOCKS; i++) {
- if (dst != src)
- dst[i] = src[i];
-
- u128_to_be128(&ctrblocks[i], &ctrblk);
- u128_inc(&ctrblk);
- }
-
- serpent_enc_blk_xway_xor(ctx, (u8 *)dst,
- (u8 *)ctrblocks);
-
- src += SERPENT_PARALLEL_BLOCKS;
- dst += SERPENT_PARALLEL_BLOCKS;
- nbytes -= bsize * SERPENT_PARALLEL_BLOCKS;
- } while (nbytes >= bsize * SERPENT_PARALLEL_BLOCKS);
-
- if (nbytes < bsize)
- goto done;
- }
-
- /* Handle leftovers */
- do {
- if (dst != src)
- *dst = *src;
-
- u128_to_be128(&ctrblocks[0], &ctrblk);
- u128_inc(&ctrblk);
-
- __serpent_encrypt(ctx, (u8 *)ctrblocks, (u8 *)ctrblocks);
- u128_xor(dst, dst, (u128 *)ctrblocks);
-
- src += 1;
- dst += 1;
- nbytes -= bsize;
- } while (nbytes >= bsize);
-
-done:
- u128_to_be128((be128 *)walk->iv, &ctrblk);
- return nbytes;
+ return glue_fpu_begin(SERPENT_BLOCK_SIZE, SERPENT_PARALLEL_BLOCKS,
+ NULL, fpu_enabled, nbytes);
}
-static int ctr_crypt(struct blkcipher_desc *desc, struct scatterlist *dst,
- struct scatterlist *src, unsigned int nbytes)
+static inline void serpent_fpu_end(bool fpu_enabled)
{
- bool fpu_enabled = false;
- struct blkcipher_walk walk;
- int err;
-
- blkcipher_walk_init(&walk, dst, src, nbytes);
- err = blkcipher_walk_virt_block(desc, &walk, SERPENT_BLOCK_SIZE);
- desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
-
- while ((nbytes = walk.nbytes) >= SERPENT_BLOCK_SIZE) {
- fpu_enabled = serpent_fpu_begin(fpu_enabled, nbytes);
- nbytes = __ctr_crypt(desc, &walk);
- err = blkcipher_walk_done(desc, &walk, nbytes);
- }
-
- serpent_fpu_end(fpu_enabled);
-
- if (walk.nbytes) {
- ctr_crypt_final(desc, &walk);
- err = blkcipher_walk_done(desc, &walk, 0);
- }
-
- return err;
+ glue_fpu_end(fpu_enabled);
}
struct crypt_priv {
@@ -596,106 +383,6 @@ static int xts_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
return ret;
}
-static int ablk_set_key(struct crypto_ablkcipher *tfm, const u8 *key,
- unsigned int key_len)
-{
- struct async_serpent_ctx *ctx = crypto_ablkcipher_ctx(tfm);
- struct crypto_ablkcipher *child = &ctx->cryptd_tfm->base;
- int err;
-
- crypto_ablkcipher_clear_flags(child, CRYPTO_TFM_REQ_MASK);
- crypto_ablkcipher_set_flags(child, crypto_ablkcipher_get_flags(tfm)
- & CRYPTO_TFM_REQ_MASK);
- err = crypto_ablkcipher_setkey(child, key, key_len);
- crypto_ablkcipher_set_flags(tfm, crypto_ablkcipher_get_flags(child)
- & CRYPTO_TFM_RES_MASK);
- return err;
-}
-
-static int __ablk_encrypt(struct ablkcipher_request *req)
-{
- struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
- struct async_serpent_ctx *ctx = crypto_ablkcipher_ctx(tfm);
- struct blkcipher_desc desc;
-
- desc.tfm = cryptd_ablkcipher_child(ctx->cryptd_tfm);
- desc.info = req->info;
- desc.flags = 0;
-
- return crypto_blkcipher_crt(desc.tfm)->encrypt(
- &desc, req->dst, req->src, req->nbytes);
-}
-
-static int ablk_encrypt(struct ablkcipher_request *req)
-{
- struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
- struct async_serpent_ctx *ctx = crypto_ablkcipher_ctx(tfm);
-
- if (!irq_fpu_usable()) {
- struct ablkcipher_request *cryptd_req =
- ablkcipher_request_ctx(req);
-
- memcpy(cryptd_req, req, sizeof(*req));
- ablkcipher_request_set_tfm(cryptd_req, &ctx->cryptd_tfm->base);
-
- return crypto_ablkcipher_encrypt(cryptd_req);
- } else {
- return __ablk_encrypt(req);
- }
-}
-
-static int ablk_decrypt(struct ablkcipher_request *req)
-{
- struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
- struct async_serpent_ctx *ctx = crypto_ablkcipher_ctx(tfm);
-
- if (!irq_fpu_usable()) {
- struct ablkcipher_request *cryptd_req =
- ablkcipher_request_ctx(req);
-
- memcpy(cryptd_req, req, sizeof(*req));
- ablkcipher_request_set_tfm(cryptd_req, &ctx->cryptd_tfm->base);
-
- return crypto_ablkcipher_decrypt(cryptd_req);
- } else {
- struct blkcipher_desc desc;
-
- desc.tfm = cryptd_ablkcipher_child(ctx->cryptd_tfm);
- desc.info = req->info;
- desc.flags = 0;
-
- return crypto_blkcipher_crt(desc.tfm)->decrypt(
- &desc, req->dst, req->src, req->nbytes);
- }
-}
-
-static void ablk_exit(struct crypto_tfm *tfm)
-{
- struct async_serpent_ctx *ctx = crypto_tfm_ctx(tfm);
-
- cryptd_free_ablkcipher(ctx->cryptd_tfm);
-}
-
-static int ablk_init(struct crypto_tfm *tfm)
-{
- struct async_serpent_ctx *ctx = crypto_tfm_ctx(tfm);
- struct cryptd_ablkcipher *cryptd_tfm;
- char drv_name[CRYPTO_MAX_ALG_NAME];
-
- snprintf(drv_name, sizeof(drv_name), "__driver-%s",
- crypto_tfm_alg_driver_name(tfm));
-
- cryptd_tfm = cryptd_alloc_ablkcipher(drv_name, 0, 0);
- if (IS_ERR(cryptd_tfm))
- return PTR_ERR(cryptd_tfm);
-
- ctx->cryptd_tfm = cryptd_tfm;
- tfm->crt_ablkcipher.reqsize = sizeof(struct ablkcipher_request) +
- crypto_ablkcipher_reqsize(&cryptd_tfm->base);
-
- return 0;
-}
-
static struct crypto_alg serpent_algs[10] = { {
.cra_name = "__ecb-serpent-sse2",
.cra_driver_name = "__driver-ecb-serpent-sse2",
@@ -808,7 +495,7 @@ static struct crypto_alg serpent_algs[10] = { {
.cra_priority = 400,
.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
.cra_blocksize = SERPENT_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct async_serpent_ctx),
+ .cra_ctxsize = sizeof(struct async_helper_ctx),
.cra_alignmask = 0,
.cra_type = &crypto_ablkcipher_type,
.cra_module = THIS_MODULE,
@@ -830,7 +517,7 @@ static struct crypto_alg serpent_algs[10] = { {
.cra_priority = 400,
.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
.cra_blocksize = SERPENT_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct async_serpent_ctx),
+ .cra_ctxsize = sizeof(struct async_helper_ctx),
.cra_alignmask = 0,
.cra_type = &crypto_ablkcipher_type,
.cra_module = THIS_MODULE,
@@ -853,7 +540,7 @@ static struct crypto_alg serpent_algs[10] = { {
.cra_priority = 400,
.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
.cra_blocksize = 1,
- .cra_ctxsize = sizeof(struct async_serpent_ctx),
+ .cra_ctxsize = sizeof(struct async_helper_ctx),
.cra_alignmask = 0,
.cra_type = &crypto_ablkcipher_type,
.cra_module = THIS_MODULE,
@@ -877,7 +564,7 @@ static struct crypto_alg serpent_algs[10] = { {
.cra_priority = 400,
.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
.cra_blocksize = SERPENT_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct async_serpent_ctx),
+ .cra_ctxsize = sizeof(struct async_helper_ctx),
.cra_alignmask = 0,
.cra_type = &crypto_ablkcipher_type,
.cra_module = THIS_MODULE,
@@ -902,7 +589,7 @@ static struct crypto_alg serpent_algs[10] = { {
.cra_priority = 400,
.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
.cra_blocksize = SERPENT_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct async_serpent_ctx),
+ .cra_ctxsize = sizeof(struct async_helper_ctx),
.cra_alignmask = 0,
.cra_type = &crypto_ablkcipher_type,
.cra_module = THIS_MODULE,