diff options
Diffstat (limited to 'arch/s390/crypto')
| -rw-r--r-- | arch/s390/crypto/aes_s390.c | 285 | ||||
| -rw-r--r-- | arch/s390/crypto/crypt_s390.h | 3 | ||||
| -rw-r--r-- | arch/s390/crypto/des_s390.c | 559 | ||||
| -rw-r--r-- | arch/s390/crypto/sha1_s390.c | 2 | ||||
| -rw-r--r-- | arch/s390/crypto/sha256_s390.c | 2 |
5 files changed, 565 insertions, 286 deletions
diff --git a/arch/s390/crypto/aes_s390.c b/arch/s390/crypto/aes_s390.c index 5713c7e5bd16..15c9eec02928 100644 --- a/arch/s390/crypto/aes_s390.c +++ b/arch/s390/crypto/aes_s390.c @@ -16,9 +16,9 @@ * */ +#include <crypto/algapi.h> #include <linux/module.h> #include <linux/init.h> -#include <linux/crypto.h> #include "crypt_s390.h" #define AES_MIN_KEY_SIZE 16 @@ -34,13 +34,16 @@ int has_aes_256 = 0; struct s390_aes_ctx { u8 iv[AES_BLOCK_SIZE]; u8 key[AES_MAX_KEY_SIZE]; + long enc; + long dec; int key_len; }; static int aes_set_key(struct crypto_tfm *tfm, const u8 *in_key, - unsigned int key_len, u32 *flags) + unsigned int key_len) { struct s390_aes_ctx *sctx = crypto_tfm_ctx(tfm); + u32 *flags = &tfm->crt_flags; switch (key_len) { case 16: @@ -110,133 +113,206 @@ static void aes_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) } } -static unsigned int aes_encrypt_ecb(const struct cipher_desc *desc, u8 *out, - const u8 *in, unsigned int nbytes) -{ - struct s390_aes_ctx *sctx = crypto_tfm_ctx(desc->tfm); - int ret; - /* only use complete blocks */ - nbytes &= ~(AES_BLOCK_SIZE - 1); +static struct crypto_alg aes_alg = { + .cra_name = "aes", + .cra_driver_name = "aes-s390", + .cra_priority = CRYPT_S390_PRIORITY, + .cra_flags = CRYPTO_ALG_TYPE_CIPHER, + .cra_blocksize = AES_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct s390_aes_ctx), + .cra_module = THIS_MODULE, + .cra_list = LIST_HEAD_INIT(aes_alg.cra_list), + .cra_u = { + .cipher = { + .cia_min_keysize = AES_MIN_KEY_SIZE, + .cia_max_keysize = AES_MAX_KEY_SIZE, + .cia_setkey = aes_set_key, + .cia_encrypt = aes_encrypt, + .cia_decrypt = aes_decrypt, + } + } +}; + +static int ecb_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key, + unsigned int key_len) +{ + struct s390_aes_ctx *sctx = crypto_tfm_ctx(tfm); - switch (sctx->key_len) { + switch (key_len) { case 16: - ret = crypt_s390_km(KM_AES_128_ENCRYPT, &sctx->key, out, in, nbytes); - BUG_ON((ret < 0) || (ret != nbytes)); + sctx->enc = KM_AES_128_ENCRYPT; + sctx->dec = KM_AES_128_DECRYPT; break; case 24: - ret = crypt_s390_km(KM_AES_192_ENCRYPT, &sctx->key, out, in, nbytes); - BUG_ON((ret < 0) || (ret != nbytes)); + sctx->enc = KM_AES_192_ENCRYPT; + sctx->dec = KM_AES_192_DECRYPT; break; case 32: - ret = crypt_s390_km(KM_AES_256_ENCRYPT, &sctx->key, out, in, nbytes); - BUG_ON((ret < 0) || (ret != nbytes)); + sctx->enc = KM_AES_256_ENCRYPT; + sctx->dec = KM_AES_256_DECRYPT; break; } - return nbytes; + + return aes_set_key(tfm, in_key, key_len); } -static unsigned int aes_decrypt_ecb(const struct cipher_desc *desc, u8 *out, - const u8 *in, unsigned int nbytes) +static int ecb_aes_crypt(struct blkcipher_desc *desc, long func, void *param, + struct blkcipher_walk *walk) { - struct s390_aes_ctx *sctx = crypto_tfm_ctx(desc->tfm); - int ret; + int ret = blkcipher_walk_virt(desc, walk); + unsigned int nbytes; - /* only use complete blocks */ - nbytes &= ~(AES_BLOCK_SIZE - 1); + while ((nbytes = walk->nbytes)) { + /* only use complete blocks */ + unsigned int n = nbytes & ~(AES_BLOCK_SIZE - 1); + u8 *out = walk->dst.virt.addr; + u8 *in = walk->src.virt.addr; - switch (sctx->key_len) { - case 16: - ret = crypt_s390_km(KM_AES_128_DECRYPT, &sctx->key, out, in, nbytes); - BUG_ON((ret < 0) || (ret != nbytes)); - break; - case 24: - ret = crypt_s390_km(KM_AES_192_DECRYPT, &sctx->key, out, in, nbytes); - BUG_ON((ret < 0) || (ret != nbytes)); - break; - case 32: - ret = crypt_s390_km(KM_AES_256_DECRYPT, &sctx->key, out, in, nbytes); - BUG_ON((ret < 0) || (ret != nbytes)); - break; + ret = crypt_s390_km(func, param, out, in, n); + BUG_ON((ret < 0) || (ret != n)); + + nbytes &= AES_BLOCK_SIZE - 1; + ret = blkcipher_walk_done(desc, walk, nbytes); } - return nbytes; + + return ret; } -static unsigned int aes_encrypt_cbc(const struct cipher_desc *desc, u8 *out, - const u8 *in, unsigned int nbytes) +static int ecb_aes_encrypt(struct blkcipher_desc *desc, + struct scatterlist *dst, struct scatterlist *src, + unsigned int nbytes) { - struct s390_aes_ctx *sctx = crypto_tfm_ctx(desc->tfm); - int ret; + struct s390_aes_ctx *sctx = crypto_blkcipher_ctx(desc->tfm); + struct blkcipher_walk walk; - /* only use complete blocks */ - nbytes &= ~(AES_BLOCK_SIZE - 1); + blkcipher_walk_init(&walk, dst, src, nbytes); + return ecb_aes_crypt(desc, sctx->enc, sctx->key, &walk); +} - memcpy(&sctx->iv, desc->info, AES_BLOCK_SIZE); - switch (sctx->key_len) { +static int ecb_aes_decrypt(struct blkcipher_desc *desc, + struct scatterlist *dst, struct scatterlist *src, + unsigned int nbytes) +{ + struct s390_aes_ctx *sctx = crypto_blkcipher_ctx(desc->tfm); + struct blkcipher_walk walk; + + blkcipher_walk_init(&walk, dst, src, nbytes); + return ecb_aes_crypt(desc, sctx->dec, sctx->key, &walk); +} + +static struct crypto_alg ecb_aes_alg = { + .cra_name = "ecb(aes)", + .cra_driver_name = "ecb-aes-s390", + .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY, + .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, + .cra_blocksize = AES_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct s390_aes_ctx), + .cra_type = &crypto_blkcipher_type, + .cra_module = THIS_MODULE, + .cra_list = LIST_HEAD_INIT(ecb_aes_alg.cra_list), + .cra_u = { + .blkcipher = { + .min_keysize = AES_MIN_KEY_SIZE, + .max_keysize = AES_MAX_KEY_SIZE, + .setkey = ecb_aes_set_key, + .encrypt = ecb_aes_encrypt, + .decrypt = ecb_aes_decrypt, + } + } +}; + +static int cbc_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key, + unsigned int key_len) +{ + struct s390_aes_ctx *sctx = crypto_tfm_ctx(tfm); + + switch (key_len) { case 16: - ret = crypt_s390_kmc(KMC_AES_128_ENCRYPT, &sctx->iv, out, in, nbytes); - BUG_ON((ret < 0) || (ret != nbytes)); + sctx->enc = KMC_AES_128_ENCRYPT; + sctx->dec = KMC_AES_128_DECRYPT; break; case 24: - ret = crypt_s390_kmc(KMC_AES_192_ENCRYPT, &sctx->iv, out, in, nbytes); - BUG_ON((ret < 0) || (ret != nbytes)); + sctx->enc = KMC_AES_192_ENCRYPT; + sctx->dec = KMC_AES_192_DECRYPT; break; case 32: - ret = crypt_s390_kmc(KMC_AES_256_ENCRYPT, &sctx->iv, out, in, nbytes); - BUG_ON((ret < 0) || (ret != nbytes)); + sctx->enc = KMC_AES_256_ENCRYPT; + sctx->dec = KMC_AES_256_DECRYPT; break; } - memcpy(desc->info, &sctx->iv, AES_BLOCK_SIZE); - return nbytes; + return aes_set_key(tfm, in_key, key_len); } -static unsigned int aes_decrypt_cbc(const struct cipher_desc *desc, u8 *out, - const u8 *in, unsigned int nbytes) +static int cbc_aes_crypt(struct blkcipher_desc *desc, long func, void *param, + struct blkcipher_walk *walk) { - struct s390_aes_ctx *sctx = crypto_tfm_ctx(desc->tfm); - int ret; + int ret = blkcipher_walk_virt(desc, walk); + unsigned int nbytes = walk->nbytes; - /* only use complete blocks */ - nbytes &= ~(AES_BLOCK_SIZE - 1); + if (!nbytes) + goto out; - memcpy(&sctx->iv, desc->info, AES_BLOCK_SIZE); - switch (sctx->key_len) { - case 16: - ret = crypt_s390_kmc(KMC_AES_128_DECRYPT, &sctx->iv, out, in, nbytes); - BUG_ON((ret < 0) || (ret != nbytes)); - break; - case 24: - ret = crypt_s390_kmc(KMC_AES_192_DECRYPT, &sctx->iv, out, in, nbytes); - BUG_ON((ret < 0) || (ret != nbytes)); - break; - case 32: - ret = crypt_s390_kmc(KMC_AES_256_DECRYPT, &sctx->iv, out, in, nbytes); - BUG_ON((ret < 0) || (ret != nbytes)); - break; - } - return nbytes; + memcpy(param, walk->iv, AES_BLOCK_SIZE); + do { + /* only use complete blocks */ + unsigned int n = nbytes & ~(AES_BLOCK_SIZE - 1); + u8 *out = walk->dst.virt.addr; + u8 *in = walk->src.virt.addr; + + ret = crypt_s390_kmc(func, param, out, in, n); + BUG_ON((ret < 0) || (ret != n)); + + nbytes &= AES_BLOCK_SIZE - 1; + ret = blkcipher_walk_done(desc, walk, nbytes); + } while ((nbytes = walk->nbytes)); + memcpy(walk->iv, param, AES_BLOCK_SIZE); + +out: + return ret; } +static int cbc_aes_encrypt(struct blkcipher_desc *desc, + struct scatterlist *dst, struct scatterlist *src, + unsigned int nbytes) +{ + struct s390_aes_ctx *sctx = crypto_blkcipher_ctx(desc->tfm); + struct blkcipher_walk walk; -static struct crypto_alg aes_alg = { - .cra_name = "aes", - .cra_flags = CRYPTO_ALG_TYPE_CIPHER, + blkcipher_walk_init(&walk, dst, src, nbytes); + return cbc_aes_crypt(desc, sctx->enc, sctx->iv, &walk); +} + +static int cbc_aes_decrypt(struct blkcipher_desc *desc, + struct scatterlist *dst, struct scatterlist *src, + unsigned int nbytes) +{ + struct s390_aes_ctx *sctx = crypto_blkcipher_ctx(desc->tfm); + struct blkcipher_walk walk; + + blkcipher_walk_init(&walk, dst, src, nbytes); + return cbc_aes_crypt(desc, sctx->dec, sctx->iv, &walk); +} + +static struct crypto_alg cbc_aes_alg = { + .cra_name = "cbc(aes)", + .cra_driver_name = "cbc-aes-s390", + .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY, + .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, .cra_blocksize = AES_BLOCK_SIZE, .cra_ctxsize = sizeof(struct s390_aes_ctx), + .cra_type = &crypto_blkcipher_type, .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(aes_alg.cra_list), + .cra_list = LIST_HEAD_INIT(cbc_aes_alg.cra_list), .cra_u = { - .cipher = { - .cia_min_keysize = AES_MIN_KEY_SIZE, - .cia_max_keysize = AES_MAX_KEY_SIZE, - .cia_setkey = aes_set_key, - .cia_encrypt = aes_encrypt, - .cia_decrypt = aes_decrypt, - .cia_encrypt_ecb = aes_encrypt_ecb, - .cia_decrypt_ecb = aes_decrypt_ecb, - .cia_encrypt_cbc = aes_encrypt_cbc, - .cia_decrypt_cbc = aes_decrypt_cbc, + .blkcipher = { + .min_keysize = AES_MIN_KEY_SIZE, + .max_keysize = AES_MAX_KEY_SIZE, + .ivsize = AES_BLOCK_SIZE, + .setkey = cbc_aes_set_key, + .encrypt = cbc_aes_encrypt, + .decrypt = cbc_aes_decrypt, } } }; @@ -256,13 +332,40 @@ static int __init aes_init(void) return -ENOSYS; ret = crypto_register_alg(&aes_alg); - if (ret != 0) - printk(KERN_INFO "crypt_s390: aes_s390 couldn't be loaded.\n"); + if (ret != 0) { + printk(KERN_INFO "crypt_s390: aes-s390 couldn't be loaded.\n"); + goto aes_err; + } + + ret = crypto_register_alg(&ecb_aes_alg); + if (ret != 0) { + printk(KERN_INFO + "crypt_s390: ecb-aes-s390 couldn't be loaded.\n"); + goto ecb_aes_err; + } + + ret = crypto_register_alg(&cbc_aes_alg); + if (ret != 0) { + printk(KERN_INFO + "crypt_s390: cbc-aes-s390 couldn't be loaded.\n"); + goto cbc_aes_err; + } + +out: return ret; + +cbc_aes_err: + crypto_unregister_alg(&ecb_aes_alg); +ecb_aes_err: + crypto_unregister_alg(&aes_alg); +aes_err: + goto out; } static void __exit aes_fini(void) { + crypto_unregister_alg(&cbc_aes_alg); + crypto_unregister_alg(&ecb_aes_alg); crypto_unregister_alg(&aes_alg); } diff --git a/arch/s390/crypto/crypt_s390.h b/arch/s390/crypto/crypt_s390.h index d1c259a7fe33..efd836c2e4a6 100644 --- a/arch/s390/crypto/crypt_s390.h +++ b/arch/s390/crypto/crypt_s390.h @@ -20,6 +20,9 @@ #define CRYPT_S390_OP_MASK 0xFF00 #define CRYPT_S390_FUNC_MASK 0x00FF +#define CRYPT_S390_PRIORITY 300 +#define CRYPT_S390_COMPOSITE_PRIORITY 400 + /* s930 cryptographic operations */ enum crypt_s390_operations { CRYPT_S390_KM = 0x0100, diff --git a/arch/s390/crypto/des_s390.c b/arch/s390/crypto/des_s390.c index b3f7496a79b4..2aba04852fe3 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); } diff --git a/arch/s390/crypto/sha1_s390.c b/arch/s390/crypto/sha1_s390.c index 9d34a35b1aa5..49ca8690ee39 100644 --- a/arch/s390/crypto/sha1_s390.c +++ b/arch/s390/crypto/sha1_s390.c @@ -126,6 +126,8 @@ static void sha1_final(struct crypto_tfm *tfm, u8 *out) static struct crypto_alg alg = { .cra_name = "sha1", + .cra_driver_name = "sha1-s390", + .cra_priority = CRYPT_S390_PRIORITY, .cra_flags = CRYPTO_ALG_TYPE_DIGEST, .cra_blocksize = SHA1_BLOCK_SIZE, .cra_ctxsize = sizeof(struct crypt_s390_sha1_ctx), diff --git a/arch/s390/crypto/sha256_s390.c b/arch/s390/crypto/sha256_s390.c index f573df30f31d..8e4e67503fe7 100644 --- a/arch/s390/crypto/sha256_s390.c +++ b/arch/s390/crypto/sha256_s390.c @@ -127,6 +127,8 @@ static void sha256_final(struct crypto_tfm *tfm, u8 *out) static struct crypto_alg alg = { .cra_name = "sha256", + .cra_driver_name = "sha256-s390", + .cra_priority = CRYPT_S390_PRIORITY, .cra_flags = CRYPTO_ALG_TYPE_DIGEST, .cra_blocksize = SHA256_BLOCK_SIZE, .cra_ctxsize = sizeof(struct s390_sha256_ctx), |