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path: root/arch/s390/crypto/des_s390.c
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Diffstat (limited to 'arch/s390/crypto/des_s390.c')
-rw-r--r--arch/s390/crypto/des_s390.c559
1 files changed, 364 insertions, 195 deletions
diff --git a/arch/s390/crypto/des_s390.c b/arch/s390/crypto/des_s390.c
index b3f7496a79b..2aba04852fe 100644
--- a/arch/s390/crypto/des_s390.c
+++ b/arch/s390/crypto/des_s390.c
@@ -13,9 +13,10 @@
* (at your option) any later version.
*
*/
+
+#include <crypto/algapi.h>
#include <linux/init.h>
#include <linux/module.h>
-#include <linux/crypto.h>
#include "crypt_s390.h"
#include "crypto_des.h"
@@ -45,9 +46,10 @@ struct crypt_s390_des3_192_ctx {
};
static int des_setkey(struct crypto_tfm *tfm, const u8 *key,
- unsigned int keylen, u32 *flags)
+ unsigned int keylen)
{
struct crypt_s390_des_ctx *dctx = crypto_tfm_ctx(tfm);
+ u32 *flags = &tfm->crt_flags;
int ret;
/* test if key is valid (not a weak key) */
@@ -71,85 +73,159 @@ static void des_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
crypt_s390_km(KM_DEA_DECRYPT, dctx->key, out, in, DES_BLOCK_SIZE);
}
-static unsigned int des_encrypt_ecb(const struct cipher_desc *desc, u8 *out,
- const u8 *in, unsigned int nbytes)
+static struct crypto_alg des_alg = {
+ .cra_name = "des",
+ .cra_driver_name = "des-s390",
+ .cra_priority = CRYPT_S390_PRIORITY,
+ .cra_flags = CRYPTO_ALG_TYPE_CIPHER,
+ .cra_blocksize = DES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct crypt_s390_des_ctx),
+ .cra_module = THIS_MODULE,
+ .cra_list = LIST_HEAD_INIT(des_alg.cra_list),
+ .cra_u = {
+ .cipher = {
+ .cia_min_keysize = DES_KEY_SIZE,
+ .cia_max_keysize = DES_KEY_SIZE,
+ .cia_setkey = des_setkey,
+ .cia_encrypt = des_encrypt,
+ .cia_decrypt = des_decrypt,
+ }
+ }
+};
+
+static int ecb_desall_crypt(struct blkcipher_desc *desc, long func,
+ void *param, struct blkcipher_walk *walk)
{
- struct crypt_s390_des_ctx *sctx = crypto_tfm_ctx(desc->tfm);
- int ret;
+ int ret = blkcipher_walk_virt(desc, walk);
+ unsigned int nbytes;
+
+ while ((nbytes = walk->nbytes)) {
+ /* only use complete blocks */
+ unsigned int n = nbytes & ~(DES_BLOCK_SIZE - 1);
+ u8 *out = walk->dst.virt.addr;
+ u8 *in = walk->src.virt.addr;
- /* only use complete blocks */
- nbytes &= ~(DES_BLOCK_SIZE - 1);
- ret = crypt_s390_km(KM_DEA_ENCRYPT, sctx->key, out, in, nbytes);
- BUG_ON((ret < 0) || (ret != nbytes));
+ ret = crypt_s390_km(func, param, out, in, n);
+ BUG_ON((ret < 0) || (ret != n));
- return nbytes;
+ nbytes &= DES_BLOCK_SIZE - 1;
+ ret = blkcipher_walk_done(desc, walk, nbytes);
+ }
+
+ return ret;
}
-static unsigned int des_decrypt_ecb(const struct cipher_desc *desc, u8 *out,
- const u8 *in, unsigned int nbytes)
+static int cbc_desall_crypt(struct blkcipher_desc *desc, long func,
+ void *param, struct blkcipher_walk *walk)
{
- struct crypt_s390_des_ctx *sctx = crypto_tfm_ctx(desc->tfm);
- int ret;
+ int ret = blkcipher_walk_virt(desc, walk);
+ unsigned int nbytes = walk->nbytes;
+
+ if (!nbytes)
+ goto out;
+
+ memcpy(param, walk->iv, DES_BLOCK_SIZE);
+ do {
+ /* only use complete blocks */
+ unsigned int n = nbytes & ~(DES_BLOCK_SIZE - 1);
+ u8 *out = walk->dst.virt.addr;
+ u8 *in = walk->src.virt.addr;
- /* only use complete blocks */
- nbytes &= ~(DES_BLOCK_SIZE - 1);
- ret = crypt_s390_km(KM_DEA_DECRYPT, sctx->key, out, in, nbytes);
- BUG_ON((ret < 0) || (ret != nbytes));
+ ret = crypt_s390_kmc(func, param, out, in, n);
+ BUG_ON((ret < 0) || (ret != n));
- return nbytes;
+ nbytes &= DES_BLOCK_SIZE - 1;
+ ret = blkcipher_walk_done(desc, walk, nbytes);
+ } while ((nbytes = walk->nbytes));
+ memcpy(walk->iv, param, DES_BLOCK_SIZE);
+
+out:
+ return ret;
}
-static unsigned int des_encrypt_cbc(const struct cipher_desc *desc, u8 *out,
- const u8 *in, unsigned int nbytes)
+static int ecb_des_encrypt(struct blkcipher_desc *desc,
+ struct scatterlist *dst, struct scatterlist *src,
+ unsigned int nbytes)
{
- struct crypt_s390_des_ctx *sctx = crypto_tfm_ctx(desc->tfm);
- int ret;
+ struct crypt_s390_des_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
+ struct blkcipher_walk walk;
- /* only use complete blocks */
- nbytes &= ~(DES_BLOCK_SIZE - 1);
+ blkcipher_walk_init(&walk, dst, src, nbytes);
+ return ecb_desall_crypt(desc, KM_DEA_ENCRYPT, sctx->key, &walk);
+}
- memcpy(sctx->iv, desc->info, DES_BLOCK_SIZE);
- ret = crypt_s390_kmc(KMC_DEA_ENCRYPT, &sctx->iv, out, in, nbytes);
- BUG_ON((ret < 0) || (ret != nbytes));
+static int ecb_des_decrypt(struct blkcipher_desc *desc,
+ struct scatterlist *dst, struct scatterlist *src,
+ unsigned int nbytes)
+{
+ struct crypt_s390_des_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
+ struct blkcipher_walk walk;
- memcpy(desc->info, sctx->iv, DES_BLOCK_SIZE);
- return nbytes;
+ blkcipher_walk_init(&walk, dst, src, nbytes);
+ return ecb_desall_crypt(desc, KM_DEA_DECRYPT, sctx->key, &walk);
}
-static unsigned int des_decrypt_cbc(const struct cipher_desc *desc, u8 *out,
- const u8 *in, unsigned int nbytes)
+static struct crypto_alg ecb_des_alg = {
+ .cra_name = "ecb(des)",
+ .cra_driver_name = "ecb-des-s390",
+ .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY,
+ .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
+ .cra_blocksize = DES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct crypt_s390_des_ctx),
+ .cra_type = &crypto_blkcipher_type,
+ .cra_module = THIS_MODULE,
+ .cra_list = LIST_HEAD_INIT(ecb_des_alg.cra_list),
+ .cra_u = {
+ .blkcipher = {
+ .min_keysize = DES_KEY_SIZE,
+ .max_keysize = DES_KEY_SIZE,
+ .setkey = des_setkey,
+ .encrypt = ecb_des_encrypt,
+ .decrypt = ecb_des_decrypt,
+ }
+ }
+};
+
+static int cbc_des_encrypt(struct blkcipher_desc *desc,
+ struct scatterlist *dst, struct scatterlist *src,
+ unsigned int nbytes)
{
- struct crypt_s390_des_ctx *sctx = crypto_tfm_ctx(desc->tfm);
- int ret;
+ struct crypt_s390_des_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
+ struct blkcipher_walk walk;
- /* only use complete blocks */
- nbytes &= ~(DES_BLOCK_SIZE - 1);
+ blkcipher_walk_init(&walk, dst, src, nbytes);
+ return cbc_desall_crypt(desc, KMC_DEA_ENCRYPT, sctx->iv, &walk);
+}
- memcpy(&sctx->iv, desc->info, DES_BLOCK_SIZE);
- ret = crypt_s390_kmc(KMC_DEA_DECRYPT, &sctx->iv, out, in, nbytes);
- BUG_ON((ret < 0) || (ret != nbytes));
+static int cbc_des_decrypt(struct blkcipher_desc *desc,
+ struct scatterlist *dst, struct scatterlist *src,
+ unsigned int nbytes)
+{
+ struct crypt_s390_des_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
+ struct blkcipher_walk walk;
- return nbytes;
+ blkcipher_walk_init(&walk, dst, src, nbytes);
+ return cbc_desall_crypt(desc, KMC_DEA_DECRYPT, sctx->iv, &walk);
}
-static struct crypto_alg des_alg = {
- .cra_name = "des",
- .cra_flags = CRYPTO_ALG_TYPE_CIPHER,
+static struct crypto_alg cbc_des_alg = {
+ .cra_name = "cbc(des)",
+ .cra_driver_name = "cbc-des-s390",
+ .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY,
+ .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
.cra_blocksize = DES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct crypt_s390_des_ctx),
+ .cra_type = &crypto_blkcipher_type,
.cra_module = THIS_MODULE,
- .cra_list = LIST_HEAD_INIT(des_alg.cra_list),
+ .cra_list = LIST_HEAD_INIT(cbc_des_alg.cra_list),
.cra_u = {
- .cipher = {
- .cia_min_keysize = DES_KEY_SIZE,
- .cia_max_keysize = DES_KEY_SIZE,
- .cia_setkey = des_setkey,
- .cia_encrypt = des_encrypt,
- .cia_decrypt = des_decrypt,
- .cia_encrypt_ecb = des_encrypt_ecb,
- .cia_decrypt_ecb = des_decrypt_ecb,
- .cia_encrypt_cbc = des_encrypt_cbc,
- .cia_decrypt_cbc = des_decrypt_cbc,
+ .blkcipher = {
+ .min_keysize = DES_KEY_SIZE,
+ .max_keysize = DES_KEY_SIZE,
+ .ivsize = DES_BLOCK_SIZE,
+ .setkey = des_setkey,
+ .encrypt = cbc_des_encrypt,
+ .decrypt = cbc_des_decrypt,
}
}
};
@@ -167,11 +243,12 @@ static struct crypto_alg des_alg = {
*
*/
static int des3_128_setkey(struct crypto_tfm *tfm, const u8 *key,
- unsigned int keylen, u32 *flags)
+ unsigned int keylen)
{
int i, ret;
struct crypt_s390_des3_128_ctx *dctx = crypto_tfm_ctx(tfm);
- const u8* temp_key = key;
+ const u8 *temp_key = key;
+ u32 *flags = &tfm->crt_flags;
if (!(memcmp(key, &key[DES_KEY_SIZE], DES_KEY_SIZE))) {
*flags |= CRYPTO_TFM_RES_BAD_KEY_SCHED;
@@ -202,89 +279,111 @@ static void des3_128_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
DES3_128_BLOCK_SIZE);
}
-static unsigned int des3_128_encrypt_ecb(const struct cipher_desc *desc,
- u8 *out, const u8 *in,
- unsigned int nbytes)
-{
- struct crypt_s390_des3_128_ctx *sctx = crypto_tfm_ctx(desc->tfm);
- int ret;
+static struct crypto_alg des3_128_alg = {
+ .cra_name = "des3_ede128",
+ .cra_driver_name = "des3_ede128-s390",
+ .cra_priority = CRYPT_S390_PRIORITY,
+ .cra_flags = CRYPTO_ALG_TYPE_CIPHER,
+ .cra_blocksize = DES3_128_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct crypt_s390_des3_128_ctx),
+ .cra_module = THIS_MODULE,
+ .cra_list = LIST_HEAD_INIT(des3_128_alg.cra_list),
+ .cra_u = {
+ .cipher = {
+ .cia_min_keysize = DES3_128_KEY_SIZE,
+ .cia_max_keysize = DES3_128_KEY_SIZE,
+ .cia_setkey = des3_128_setkey,
+ .cia_encrypt = des3_128_encrypt,
+ .cia_decrypt = des3_128_decrypt,
+ }
+ }
+};
- /* only use complete blocks */
- nbytes &= ~(DES3_128_BLOCK_SIZE - 1);
- ret = crypt_s390_km(KM_TDEA_128_ENCRYPT, sctx->key, out, in, nbytes);
- BUG_ON((ret < 0) || (ret != nbytes));
+static int ecb_des3_128_encrypt(struct blkcipher_desc *desc,
+ struct scatterlist *dst,
+ struct scatterlist *src, unsigned int nbytes)
+{
+ struct crypt_s390_des3_128_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
+ struct blkcipher_walk walk;
- return nbytes;
+ blkcipher_walk_init(&walk, dst, src, nbytes);
+ return ecb_desall_crypt(desc, KM_TDEA_128_ENCRYPT, sctx->key, &walk);
}
-static unsigned int des3_128_decrypt_ecb(const struct cipher_desc *desc,
- u8 *out, const u8 *in,
- unsigned int nbytes)
+static int ecb_des3_128_decrypt(struct blkcipher_desc *desc,
+ struct scatterlist *dst,
+ struct scatterlist *src, unsigned int nbytes)
{
- struct crypt_s390_des3_128_ctx *sctx = crypto_tfm_ctx(desc->tfm);
- int ret;
+ struct crypt_s390_des3_128_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
+ struct blkcipher_walk walk;
- /* only use complete blocks */
- nbytes &= ~(DES3_128_BLOCK_SIZE - 1);
- ret = crypt_s390_km(KM_TDEA_128_DECRYPT, sctx->key, out, in, nbytes);
- BUG_ON((ret < 0) || (ret != nbytes));
-
- return nbytes;
+ blkcipher_walk_init(&walk, dst, src, nbytes);
+ return ecb_desall_crypt(desc, KM_TDEA_128_DECRYPT, sctx->key, &walk);
}
-static unsigned int des3_128_encrypt_cbc(const struct cipher_desc *desc,
- u8 *out, const u8 *in,
- unsigned int nbytes)
-{
- struct crypt_s390_des3_128_ctx *sctx = crypto_tfm_ctx(desc->tfm);
- int ret;
-
- /* only use complete blocks */
- nbytes &= ~(DES3_128_BLOCK_SIZE - 1);
+static struct crypto_alg ecb_des3_128_alg = {
+ .cra_name = "ecb(des3_ede128)",
+ .cra_driver_name = "ecb-des3_ede128-s390",
+ .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY,
+ .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
+ .cra_blocksize = DES3_128_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct crypt_s390_des3_128_ctx),
+ .cra_type = &crypto_blkcipher_type,
+ .cra_module = THIS_MODULE,
+ .cra_list = LIST_HEAD_INIT(
+ ecb_des3_128_alg.cra_list),
+ .cra_u = {
+ .blkcipher = {
+ .min_keysize = DES3_128_KEY_SIZE,
+ .max_keysize = DES3_128_KEY_SIZE,
+ .setkey = des3_128_setkey,
+ .encrypt = ecb_des3_128_encrypt,
+ .decrypt = ecb_des3_128_decrypt,
+ }
+ }
+};
- memcpy(sctx->iv, desc->info, DES3_128_BLOCK_SIZE);
- ret = crypt_s390_kmc(KMC_TDEA_128_ENCRYPT, &sctx->iv, out, in, nbytes);
- BUG_ON((ret < 0) || (ret != nbytes));
+static int cbc_des3_128_encrypt(struct blkcipher_desc *desc,
+ struct scatterlist *dst,
+ struct scatterlist *src, unsigned int nbytes)
+{
+ struct crypt_s390_des3_128_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
+ struct blkcipher_walk walk;
- memcpy(desc->info, sctx->iv, DES3_128_BLOCK_SIZE);
- return nbytes;
+ blkcipher_walk_init(&walk, dst, src, nbytes);
+ return cbc_desall_crypt(desc, KMC_TDEA_128_ENCRYPT, sctx->iv, &walk);
}
-static unsigned int des3_128_decrypt_cbc(const struct cipher_desc *desc,
- u8 *out, const u8 *in,
- unsigned int nbytes)
+static int cbc_des3_128_decrypt(struct blkcipher_desc *desc,
+ struct scatterlist *dst,
+ struct scatterlist *src, unsigned int nbytes)
{
- struct crypt_s390_des3_128_ctx *sctx = crypto_tfm_ctx(desc->tfm);
- int ret;
-
- /* only use complete blocks */
- nbytes &= ~(DES3_128_BLOCK_SIZE - 1);
-
- memcpy(&sctx->iv, desc->info, DES3_128_BLOCK_SIZE);
- ret = crypt_s390_kmc(KMC_TDEA_128_DECRYPT, &sctx->iv, out, in, nbytes);
- BUG_ON((ret < 0) || (ret != nbytes));
+ struct crypt_s390_des3_128_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
+ struct blkcipher_walk walk;
- return nbytes;
+ blkcipher_walk_init(&walk, dst, src, nbytes);
+ return cbc_desall_crypt(desc, KMC_TDEA_128_DECRYPT, sctx->iv, &walk);
}
-static struct crypto_alg des3_128_alg = {
- .cra_name = "des3_ede128",
- .cra_flags = CRYPTO_ALG_TYPE_CIPHER,
+static struct crypto_alg cbc_des3_128_alg = {
+ .cra_name = "cbc(des3_ede128)",
+ .cra_driver_name = "cbc-des3_ede128-s390",
+ .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY,
+ .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
.cra_blocksize = DES3_128_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct crypt_s390_des3_128_ctx),
+ .cra_type = &crypto_blkcipher_type,
.cra_module = THIS_MODULE,
- .cra_list = LIST_HEAD_INIT(des3_128_alg.cra_list),
+ .cra_list = LIST_HEAD_INIT(
+ cbc_des3_128_alg.cra_list),
.cra_u = {
- .cipher = {
- .cia_min_keysize = DES3_128_KEY_SIZE,
- .cia_max_keysize = DES3_128_KEY_SIZE,
- .cia_setkey = des3_128_setkey,
- .cia_encrypt = des3_128_encrypt,
- .cia_decrypt = des3_128_decrypt,
- .cia_encrypt_ecb = des3_128_encrypt_ecb,
- .cia_decrypt_ecb = des3_128_decrypt_ecb,
- .cia_encrypt_cbc = des3_128_encrypt_cbc,
- .cia_decrypt_cbc = des3_128_decrypt_cbc,
+ .blkcipher = {
+ .min_keysize = DES3_128_KEY_SIZE,
+ .max_keysize = DES3_128_KEY_SIZE,
+ .ivsize = DES3_128_BLOCK_SIZE,
+ .setkey = des3_128_setkey,
+ .encrypt = cbc_des3_128_encrypt,
+ .decrypt = cbc_des3_128_decrypt,
}
}
};
@@ -303,11 +402,12 @@ static struct crypto_alg des3_128_alg = {
*
*/
static int des3_192_setkey(struct crypto_tfm *tfm, const u8 *key,
- unsigned int keylen, u32 *flags)
+ unsigned int keylen)
{
int i, ret;
struct crypt_s390_des3_192_ctx *dctx = crypto_tfm_ctx(tfm);
- const u8* temp_key = key;
+ const u8 *temp_key = key;
+ u32 *flags = &tfm->crt_flags;
if (!(memcmp(key, &key[DES_KEY_SIZE], DES_KEY_SIZE) &&
memcmp(&key[DES_KEY_SIZE], &key[DES_KEY_SIZE * 2],
@@ -341,89 +441,111 @@ static void des3_192_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
DES3_192_BLOCK_SIZE);
}
-static unsigned int des3_192_encrypt_ecb(const struct cipher_desc *desc,
- u8 *out, const u8 *in,
- unsigned int nbytes)
-{
- struct crypt_s390_des3_192_ctx *sctx = crypto_tfm_ctx(desc->tfm);
- int ret;
+static struct crypto_alg des3_192_alg = {
+ .cra_name = "des3_ede",
+ .cra_driver_name = "des3_ede-s390",
+ .cra_priority = CRYPT_S390_PRIORITY,
+ .cra_flags = CRYPTO_ALG_TYPE_CIPHER,
+ .cra_blocksize = DES3_192_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct crypt_s390_des3_192_ctx),
+ .cra_module = THIS_MODULE,
+ .cra_list = LIST_HEAD_INIT(des3_192_alg.cra_list),
+ .cra_u = {
+ .cipher = {
+ .cia_min_keysize = DES3_192_KEY_SIZE,
+ .cia_max_keysize = DES3_192_KEY_SIZE,
+ .cia_setkey = des3_192_setkey,
+ .cia_encrypt = des3_192_encrypt,
+ .cia_decrypt = des3_192_decrypt,
+ }
+ }
+};
- /* only use complete blocks */
- nbytes &= ~(DES3_192_BLOCK_SIZE - 1);
- ret = crypt_s390_km(KM_TDEA_192_ENCRYPT, sctx->key, out, in, nbytes);
- BUG_ON((ret < 0) || (ret != nbytes));
+static int ecb_des3_192_encrypt(struct blkcipher_desc *desc,
+ struct scatterlist *dst,
+ struct scatterlist *src, unsigned int nbytes)
+{
+ struct crypt_s390_des3_192_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
+ struct blkcipher_walk walk;
- return nbytes;
+ blkcipher_walk_init(&walk, dst, src, nbytes);
+ return ecb_desall_crypt(desc, KM_TDEA_192_ENCRYPT, sctx->key, &walk);
}
-static unsigned int des3_192_decrypt_ecb(const struct cipher_desc *desc,
- u8 *out, const u8 *in,
- unsigned int nbytes)
+static int ecb_des3_192_decrypt(struct blkcipher_desc *desc,
+ struct scatterlist *dst,
+ struct scatterlist *src, unsigned int nbytes)
{
- struct crypt_s390_des3_192_ctx *sctx = crypto_tfm_ctx(desc->tfm);
- int ret;
-
- /* only use complete blocks */
- nbytes &= ~(DES3_192_BLOCK_SIZE - 1);
- ret = crypt_s390_km(KM_TDEA_192_DECRYPT, sctx->key, out, in, nbytes);
- BUG_ON((ret < 0) || (ret != nbytes));
+ struct crypt_s390_des3_192_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
+ struct blkcipher_walk walk;
- return nbytes;
+ blkcipher_walk_init(&walk, dst, src, nbytes);
+ return ecb_desall_crypt(desc, KM_TDEA_192_DECRYPT, sctx->key, &walk);
}
-static unsigned int des3_192_encrypt_cbc(const struct cipher_desc *desc,
- u8 *out, const u8 *in,
- unsigned int nbytes)
-{
- struct crypt_s390_des3_192_ctx *sctx = crypto_tfm_ctx(desc->tfm);
- int ret;
-
- /* only use complete blocks */
- nbytes &= ~(DES3_192_BLOCK_SIZE - 1);
+static struct crypto_alg ecb_des3_192_alg = {
+ .cra_name = "ecb(des3_ede)",
+ .cra_driver_name = "ecb-des3_ede-s390",
+ .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY,
+ .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
+ .cra_blocksize = DES3_192_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct crypt_s390_des3_192_ctx),
+ .cra_type = &crypto_blkcipher_type,
+ .cra_module = THIS_MODULE,
+ .cra_list = LIST_HEAD_INIT(
+ ecb_des3_192_alg.cra_list),
+ .cra_u = {
+ .blkcipher = {
+ .min_keysize = DES3_192_KEY_SIZE,
+ .max_keysize = DES3_192_KEY_SIZE,
+ .setkey = des3_192_setkey,
+ .encrypt = ecb_des3_192_encrypt,
+ .decrypt = ecb_des3_192_decrypt,
+ }
+ }
+};
- memcpy(sctx->iv, desc->info, DES3_192_BLOCK_SIZE);
- ret = crypt_s390_kmc(KMC_TDEA_192_ENCRYPT, &sctx->iv, out, in, nbytes);
- BUG_ON((ret < 0) || (ret != nbytes));
+static int cbc_des3_192_encrypt(struct blkcipher_desc *desc,
+ struct scatterlist *dst,
+ struct scatterlist *src, unsigned int nbytes)
+{
+ struct crypt_s390_des3_192_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
+ struct blkcipher_walk walk;
- memcpy(desc->info, sctx->iv, DES3_192_BLOCK_SIZE);
- return nbytes;
+ blkcipher_walk_init(&walk, dst, src, nbytes);
+ return cbc_desall_crypt(desc, KMC_TDEA_192_ENCRYPT, sctx->iv, &walk);
}
-static unsigned int des3_192_decrypt_cbc(const struct cipher_desc *desc,
- u8 *out, const u8 *in,
- unsigned int nbytes)
+static int cbc_des3_192_decrypt(struct blkcipher_desc *desc,
+ struct scatterlist *dst,
+ struct scatterlist *src, unsigned int nbytes)
{
- struct crypt_s390_des3_192_ctx *sctx = crypto_tfm_ctx(desc->tfm);
- int ret;
+ struct crypt_s390_des3_192_ctx *sctx = crypto_blkcipher_ctx(desc->tfm);
+ struct blkcipher_walk walk;
- /* only use complete blocks */
- nbytes &= ~(DES3_192_BLOCK_SIZE - 1);
-
- memcpy(&sctx->iv, desc->info, DES3_192_BLOCK_SIZE);
- ret = crypt_s390_kmc(KMC_TDEA_192_DECRYPT, &sctx->iv, out, in, nbytes);
- BUG_ON((ret < 0) || (ret != nbytes));
-
- return nbytes;
+ blkcipher_walk_init(&walk, dst, src, nbytes);
+ return cbc_desall_crypt(desc, KMC_TDEA_192_DECRYPT, sctx->iv, &walk);
}
-static struct crypto_alg des3_192_alg = {
- .cra_name = "des3_ede",
- .cra_flags = CRYPTO_ALG_TYPE_CIPHER,
+static struct crypto_alg cbc_des3_192_alg = {
+ .cra_name = "cbc(des3_ede)",
+ .cra_driver_name = "cbc-des3_ede-s390",
+ .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY,
+ .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER,
.cra_blocksize = DES3_192_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct crypt_s390_des3_192_ctx),
+ .cra_type = &crypto_blkcipher_type,
.cra_module = THIS_MODULE,
- .cra_list = LIST_HEAD_INIT(des3_192_alg.cra_list),
+ .cra_list = LIST_HEAD_INIT(
+ cbc_des3_192_alg.cra_list),
.cra_u = {
- .cipher = {
- .cia_min_keysize = DES3_192_KEY_SIZE,
- .cia_max_keysize = DES3_192_KEY_SIZE,
- .cia_setkey = des3_192_setkey,
- .cia_encrypt = des3_192_encrypt,
- .cia_decrypt = des3_192_decrypt,
- .cia_encrypt_ecb = des3_192_encrypt_ecb,
- .cia_decrypt_ecb = des3_192_decrypt_ecb,
- .cia_encrypt_cbc = des3_192_encrypt_cbc,
- .cia_decrypt_cbc = des3_192_decrypt_cbc,
+ .blkcipher = {
+ .min_keysize = DES3_192_KEY_SIZE,
+ .max_keysize = DES3_192_KEY_SIZE,
+ .ivsize = DES3_192_BLOCK_SIZE,
+ .setkey = des3_192_setkey,
+ .encrypt = cbc_des3_192_encrypt,
+ .decrypt = cbc_des3_192_decrypt,
}
}
};
@@ -437,22 +559,69 @@ static int init(void)
!crypt_s390_func_available(KM_TDEA_192_ENCRYPT))
return -ENOSYS;
- ret |= (crypto_register_alg(&des_alg) == 0) ? 0:1;
- ret |= (crypto_register_alg(&des3_128_alg) == 0) ? 0:2;
- ret |= (crypto_register_alg(&des3_192_alg) == 0) ? 0:4;
- if (ret) {
- crypto_unregister_alg(&des3_192_alg);
- crypto_unregister_alg(&des3_128_alg);
- crypto_unregister_alg(&des_alg);
- return -EEXIST;
- }
- return 0;
+ ret = crypto_register_alg(&des_alg);
+ if (ret)
+ goto des_err;
+ ret = crypto_register_alg(&ecb_des_alg);
+ if (ret)
+ goto ecb_des_err;
+ ret = crypto_register_alg(&cbc_des_alg);
+ if (ret)
+ goto cbc_des_err;
+
+ ret = crypto_register_alg(&des3_128_alg);
+ if (ret)
+ goto des3_128_err;
+ ret = crypto_register_alg(&ecb_des3_128_alg);
+ if (ret)
+ goto ecb_des3_128_err;
+ ret = crypto_register_alg(&cbc_des3_128_alg);
+ if (ret)
+ goto cbc_des3_128_err;
+
+ ret = crypto_register_alg(&des3_192_alg);
+ if (ret)
+ goto des3_192_err;
+ ret = crypto_register_alg(&ecb_des3_192_alg);
+ if (ret)
+ goto ecb_des3_192_err;
+ ret = crypto_register_alg(&cbc_des3_192_alg);
+ if (ret)
+ goto cbc_des3_192_err;
+
+out:
+ return ret;
+
+cbc_des3_192_err:
+ crypto_unregister_alg(&ecb_des3_192_alg);
+ecb_des3_192_err:
+ crypto_unregister_alg(&des3_192_alg);
+des3_192_err:
+ crypto_unregister_alg(&cbc_des3_128_alg);
+cbc_des3_128_err:
+ crypto_unregister_alg(&ecb_des3_128_alg);
+ecb_des3_128_err:
+ crypto_unregister_alg(&des3_128_alg);
+des3_128_err:
+ crypto_unregister_alg(&cbc_des_alg);
+cbc_des_err:
+ crypto_unregister_alg(&ecb_des_alg);
+ecb_des_err:
+ crypto_unregister_alg(&des_alg);
+des_err:
+ goto out;
}
static void __exit fini(void)
{
+ crypto_unregister_alg(&cbc_des3_192_alg);
+ crypto_unregister_alg(&ecb_des3_192_alg);
crypto_unregister_alg(&des3_192_alg);
+ crypto_unregister_alg(&cbc_des3_128_alg);
+ crypto_unregister_alg(&ecb_des3_128_alg);
crypto_unregister_alg(&des3_128_alg);
+ crypto_unregister_alg(&cbc_des_alg);
+ crypto_unregister_alg(&ecb_des_alg);
crypto_unregister_alg(&des_alg);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-25 02:16:12 +0000