diff --git a/arch/s390/crypto/des_s390.c b/arch/s390/crypto/des_s390.c index 439b100c6f2e..bfbafd35bcbd 100644 --- a/arch/s390/crypto/des_s390.c +++ b/arch/s390/crypto/des_s390.c @@ -17,6 +17,7 @@ #include #include #include +#include #include #define DES3_KEY_SIZE (3 * DES_KEY_SIZE) @@ -45,6 +46,12 @@ static int des_setkey(struct crypto_tfm *tfm, const u8 *key, return 0; } +static int des_setkey_skcipher(struct crypto_skcipher *tfm, const u8 *key, + unsigned int key_len) +{ + return des_setkey(crypto_skcipher_tfm(tfm), key, key_len); +} + static void s390_des_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) { struct s390_des_ctx *ctx = crypto_tfm_ctx(tfm); @@ -79,28 +86,30 @@ static struct crypto_alg des_alg = { } }; -static int ecb_desall_crypt(struct blkcipher_desc *desc, unsigned long fc, - struct blkcipher_walk *walk) +static int ecb_desall_crypt(struct skcipher_request *req, unsigned long fc) { - struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct s390_des_ctx *ctx = crypto_skcipher_ctx(tfm); + struct skcipher_walk walk; unsigned int nbytes, n; int ret; - ret = blkcipher_walk_virt(desc, walk); - while ((nbytes = walk->nbytes) >= DES_BLOCK_SIZE) { + ret = skcipher_walk_virt(&walk, req, false); + while ((nbytes = walk.nbytes) != 0) { /* only use complete blocks */ n = nbytes & ~(DES_BLOCK_SIZE - 1); - cpacf_km(fc, ctx->key, walk->dst.virt.addr, - walk->src.virt.addr, n); - ret = blkcipher_walk_done(desc, walk, nbytes - n); + cpacf_km(fc, ctx->key, walk.dst.virt.addr, + walk.src.virt.addr, n); + ret = skcipher_walk_done(&walk, nbytes - n); } return ret; } -static int cbc_desall_crypt(struct blkcipher_desc *desc, unsigned long fc, - struct blkcipher_walk *walk) +static int cbc_desall_crypt(struct skcipher_request *req, unsigned long fc) { - struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct s390_des_ctx *ctx = crypto_skcipher_ctx(tfm); + struct skcipher_walk walk; unsigned int nbytes, n; int ret; struct { @@ -108,99 +117,69 @@ static int cbc_desall_crypt(struct blkcipher_desc *desc, unsigned long fc, u8 key[DES3_KEY_SIZE]; } param; - ret = blkcipher_walk_virt(desc, walk); - memcpy(param.iv, walk->iv, DES_BLOCK_SIZE); + ret = skcipher_walk_virt(&walk, req, false); + if (ret) + return ret; + memcpy(param.iv, walk.iv, DES_BLOCK_SIZE); memcpy(param.key, ctx->key, DES3_KEY_SIZE); - while ((nbytes = walk->nbytes) >= DES_BLOCK_SIZE) { + while ((nbytes = walk.nbytes) != 0) { /* only use complete blocks */ n = nbytes & ~(DES_BLOCK_SIZE - 1); - cpacf_kmc(fc, ¶m, walk->dst.virt.addr, - walk->src.virt.addr, n); - ret = blkcipher_walk_done(desc, walk, nbytes - n); + cpacf_kmc(fc, ¶m, walk.dst.virt.addr, + walk.src.virt.addr, n); + memcpy(walk.iv, param.iv, DES_BLOCK_SIZE); + ret = skcipher_walk_done(&walk, nbytes - n); } - memcpy(walk->iv, param.iv, DES_BLOCK_SIZE); return ret; } -static int ecb_des_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) +static int ecb_des_encrypt(struct skcipher_request *req) { - struct blkcipher_walk walk; - - blkcipher_walk_init(&walk, dst, src, nbytes); - return ecb_desall_crypt(desc, CPACF_KM_DEA, &walk); + return ecb_desall_crypt(req, CPACF_KM_DEA); } -static int ecb_des_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) +static int ecb_des_decrypt(struct skcipher_request *req) { - struct blkcipher_walk walk; - - blkcipher_walk_init(&walk, dst, src, nbytes); - return ecb_desall_crypt(desc, CPACF_KM_DEA | CPACF_DECRYPT, &walk); + return ecb_desall_crypt(req, CPACF_KM_DEA | CPACF_DECRYPT); } -static struct crypto_alg ecb_des_alg = { - .cra_name = "ecb(des)", - .cra_driver_name = "ecb-des-s390", - .cra_priority = 400, /* combo: des + ecb */ - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = DES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct s390_des_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .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 struct skcipher_alg ecb_des_alg = { + .base.cra_name = "ecb(des)", + .base.cra_driver_name = "ecb-des-s390", + .base.cra_priority = 400, /* combo: des + ecb */ + .base.cra_blocksize = DES_BLOCK_SIZE, + .base.cra_ctxsize = sizeof(struct s390_des_ctx), + .base.cra_module = THIS_MODULE, + .min_keysize = DES_KEY_SIZE, + .max_keysize = DES_KEY_SIZE, + .setkey = des_setkey_skcipher, + .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) +static int cbc_des_encrypt(struct skcipher_request *req) { - struct blkcipher_walk walk; - - blkcipher_walk_init(&walk, dst, src, nbytes); - return cbc_desall_crypt(desc, CPACF_KMC_DEA, &walk); + return cbc_desall_crypt(req, CPACF_KMC_DEA); } -static int cbc_des_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) +static int cbc_des_decrypt(struct skcipher_request *req) { - struct blkcipher_walk walk; - - blkcipher_walk_init(&walk, dst, src, nbytes); - return cbc_desall_crypt(desc, CPACF_KMC_DEA | CPACF_DECRYPT, &walk); + return cbc_desall_crypt(req, CPACF_KMC_DEA | CPACF_DECRYPT); } -static struct crypto_alg cbc_des_alg = { - .cra_name = "cbc(des)", - .cra_driver_name = "cbc-des-s390", - .cra_priority = 400, /* combo: des + cbc */ - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = DES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct s390_des_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_u = { - .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, - } - } +static struct skcipher_alg cbc_des_alg = { + .base.cra_name = "cbc(des)", + .base.cra_driver_name = "cbc-des-s390", + .base.cra_priority = 400, /* combo: des + cbc */ + .base.cra_blocksize = DES_BLOCK_SIZE, + .base.cra_ctxsize = sizeof(struct s390_des_ctx), + .base.cra_module = THIS_MODULE, + .min_keysize = DES_KEY_SIZE, + .max_keysize = DES_KEY_SIZE, + .ivsize = DES_BLOCK_SIZE, + .setkey = des_setkey_skcipher, + .encrypt = cbc_des_encrypt, + .decrypt = cbc_des_decrypt, }; /* @@ -232,6 +211,12 @@ static int des3_setkey(struct crypto_tfm *tfm, const u8 *key, return 0; } +static int des3_setkey_skcipher(struct crypto_skcipher *tfm, const u8 *key, + unsigned int key_len) +{ + return des3_setkey(crypto_skcipher_tfm(tfm), key, key_len); +} + static void des3_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) { struct s390_des_ctx *ctx = crypto_tfm_ctx(tfm); @@ -266,87 +251,53 @@ static struct crypto_alg des3_alg = { } }; -static int ecb_des3_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) +static int ecb_des3_encrypt(struct skcipher_request *req) { - struct blkcipher_walk walk; - - blkcipher_walk_init(&walk, dst, src, nbytes); - return ecb_desall_crypt(desc, CPACF_KM_TDEA_192, &walk); + return ecb_desall_crypt(req, CPACF_KM_TDEA_192); } -static int ecb_des3_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) +static int ecb_des3_decrypt(struct skcipher_request *req) { - struct blkcipher_walk walk; - - blkcipher_walk_init(&walk, dst, src, nbytes); - return ecb_desall_crypt(desc, CPACF_KM_TDEA_192 | CPACF_DECRYPT, - &walk); + return ecb_desall_crypt(req, CPACF_KM_TDEA_192 | CPACF_DECRYPT); } -static struct crypto_alg ecb_des3_alg = { - .cra_name = "ecb(des3_ede)", - .cra_driver_name = "ecb-des3_ede-s390", - .cra_priority = 400, /* combo: des3 + ecb */ - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = DES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct s390_des_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_u = { - .blkcipher = { - .min_keysize = DES3_KEY_SIZE, - .max_keysize = DES3_KEY_SIZE, - .setkey = des3_setkey, - .encrypt = ecb_des3_encrypt, - .decrypt = ecb_des3_decrypt, - } - } +static struct skcipher_alg ecb_des3_alg = { + .base.cra_name = "ecb(des3_ede)", + .base.cra_driver_name = "ecb-des3_ede-s390", + .base.cra_priority = 400, /* combo: des3 + ecb */ + .base.cra_blocksize = DES_BLOCK_SIZE, + .base.cra_ctxsize = sizeof(struct s390_des_ctx), + .base.cra_module = THIS_MODULE, + .min_keysize = DES3_KEY_SIZE, + .max_keysize = DES3_KEY_SIZE, + .setkey = des3_setkey_skcipher, + .encrypt = ecb_des3_encrypt, + .decrypt = ecb_des3_decrypt, }; -static int cbc_des3_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) +static int cbc_des3_encrypt(struct skcipher_request *req) { - struct blkcipher_walk walk; - - blkcipher_walk_init(&walk, dst, src, nbytes); - return cbc_desall_crypt(desc, CPACF_KMC_TDEA_192, &walk); + return cbc_desall_crypt(req, CPACF_KMC_TDEA_192); } -static int cbc_des3_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) +static int cbc_des3_decrypt(struct skcipher_request *req) { - struct blkcipher_walk walk; - - blkcipher_walk_init(&walk, dst, src, nbytes); - return cbc_desall_crypt(desc, CPACF_KMC_TDEA_192 | CPACF_DECRYPT, - &walk); + return cbc_desall_crypt(req, CPACF_KMC_TDEA_192 | CPACF_DECRYPT); } -static struct crypto_alg cbc_des3_alg = { - .cra_name = "cbc(des3_ede)", - .cra_driver_name = "cbc-des3_ede-s390", - .cra_priority = 400, /* combo: des3 + cbc */ - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = DES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct s390_des_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_u = { - .blkcipher = { - .min_keysize = DES3_KEY_SIZE, - .max_keysize = DES3_KEY_SIZE, - .ivsize = DES_BLOCK_SIZE, - .setkey = des3_setkey, - .encrypt = cbc_des3_encrypt, - .decrypt = cbc_des3_decrypt, - } - } +static struct skcipher_alg cbc_des3_alg = { + .base.cra_name = "cbc(des3_ede)", + .base.cra_driver_name = "cbc-des3_ede-s390", + .base.cra_priority = 400, /* combo: des3 + cbc */ + .base.cra_blocksize = DES_BLOCK_SIZE, + .base.cra_ctxsize = sizeof(struct s390_des_ctx), + .base.cra_module = THIS_MODULE, + .min_keysize = DES3_KEY_SIZE, + .max_keysize = DES3_KEY_SIZE, + .ivsize = DES_BLOCK_SIZE, + .setkey = des3_setkey_skcipher, + .encrypt = cbc_des3_encrypt, + .decrypt = cbc_des3_decrypt, }; static unsigned int __ctrblk_init(u8 *ctrptr, u8 *iv, unsigned int nbytes) @@ -364,128 +315,90 @@ static unsigned int __ctrblk_init(u8 *ctrptr, u8 *iv, unsigned int nbytes) return n; } -static int ctr_desall_crypt(struct blkcipher_desc *desc, unsigned long fc, - struct blkcipher_walk *walk) +static int ctr_desall_crypt(struct skcipher_request *req, unsigned long fc) { - struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct s390_des_ctx *ctx = crypto_skcipher_ctx(tfm); u8 buf[DES_BLOCK_SIZE], *ctrptr; + struct skcipher_walk walk; unsigned int n, nbytes; int ret, locked; locked = mutex_trylock(&ctrblk_lock); - ret = blkcipher_walk_virt_block(desc, walk, DES_BLOCK_SIZE); - while ((nbytes = walk->nbytes) >= DES_BLOCK_SIZE) { + ret = skcipher_walk_virt(&walk, req, false); + while ((nbytes = walk.nbytes) >= DES_BLOCK_SIZE) { n = DES_BLOCK_SIZE; if (nbytes >= 2*DES_BLOCK_SIZE && locked) - n = __ctrblk_init(ctrblk, walk->iv, nbytes); - ctrptr = (n > DES_BLOCK_SIZE) ? ctrblk : walk->iv; - cpacf_kmctr(fc, ctx->key, walk->dst.virt.addr, - walk->src.virt.addr, n, ctrptr); + n = __ctrblk_init(ctrblk, walk.iv, nbytes); + ctrptr = (n > DES_BLOCK_SIZE) ? ctrblk : walk.iv; + cpacf_kmctr(fc, ctx->key, walk.dst.virt.addr, + walk.src.virt.addr, n, ctrptr); if (ctrptr == ctrblk) - memcpy(walk->iv, ctrptr + n - DES_BLOCK_SIZE, + memcpy(walk.iv, ctrptr + n - DES_BLOCK_SIZE, DES_BLOCK_SIZE); - crypto_inc(walk->iv, DES_BLOCK_SIZE); - ret = blkcipher_walk_done(desc, walk, nbytes - n); + crypto_inc(walk.iv, DES_BLOCK_SIZE); + ret = skcipher_walk_done(&walk, nbytes - n); } if (locked) mutex_unlock(&ctrblk_lock); /* final block may be < DES_BLOCK_SIZE, copy only nbytes */ if (nbytes) { - cpacf_kmctr(fc, ctx->key, buf, walk->src.virt.addr, - DES_BLOCK_SIZE, walk->iv); - memcpy(walk->dst.virt.addr, buf, nbytes); - crypto_inc(walk->iv, DES_BLOCK_SIZE); - ret = blkcipher_walk_done(desc, walk, 0); + cpacf_kmctr(fc, ctx->key, buf, walk.src.virt.addr, + DES_BLOCK_SIZE, walk.iv); + memcpy(walk.dst.virt.addr, buf, nbytes); + crypto_inc(walk.iv, DES_BLOCK_SIZE); + ret = skcipher_walk_done(&walk, 0); } return ret; } -static int ctr_des_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) +static int ctr_des_crypt(struct skcipher_request *req) { - struct blkcipher_walk walk; - - blkcipher_walk_init(&walk, dst, src, nbytes); - return ctr_desall_crypt(desc, CPACF_KMCTR_DEA, &walk); + return ctr_desall_crypt(req, CPACF_KMCTR_DEA); } -static int ctr_des_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct blkcipher_walk walk; - - blkcipher_walk_init(&walk, dst, src, nbytes); - return ctr_desall_crypt(desc, CPACF_KMCTR_DEA | CPACF_DECRYPT, &walk); -} - -static struct crypto_alg ctr_des_alg = { - .cra_name = "ctr(des)", - .cra_driver_name = "ctr-des-s390", - .cra_priority = 400, /* combo: des + ctr */ - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = 1, - .cra_ctxsize = sizeof(struct s390_des_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_u = { - .blkcipher = { - .min_keysize = DES_KEY_SIZE, - .max_keysize = DES_KEY_SIZE, - .ivsize = DES_BLOCK_SIZE, - .setkey = des_setkey, - .encrypt = ctr_des_encrypt, - .decrypt = ctr_des_decrypt, - } - } +static struct skcipher_alg ctr_des_alg = { + .base.cra_name = "ctr(des)", + .base.cra_driver_name = "ctr-des-s390", + .base.cra_priority = 400, /* combo: des + ctr */ + .base.cra_blocksize = 1, + .base.cra_ctxsize = sizeof(struct s390_des_ctx), + .base.cra_module = THIS_MODULE, + .min_keysize = DES_KEY_SIZE, + .max_keysize = DES_KEY_SIZE, + .ivsize = DES_BLOCK_SIZE, + .setkey = des_setkey_skcipher, + .encrypt = ctr_des_crypt, + .decrypt = ctr_des_crypt, + .chunksize = DES_BLOCK_SIZE, }; -static int ctr_des3_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) +static int ctr_des3_crypt(struct skcipher_request *req) { - struct blkcipher_walk walk; - - blkcipher_walk_init(&walk, dst, src, nbytes); - return ctr_desall_crypt(desc, CPACF_KMCTR_TDEA_192, &walk); + return ctr_desall_crypt(req, CPACF_KMCTR_TDEA_192); } -static int ctr_des3_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct blkcipher_walk walk; - - blkcipher_walk_init(&walk, dst, src, nbytes); - return ctr_desall_crypt(desc, CPACF_KMCTR_TDEA_192 | CPACF_DECRYPT, - &walk); -} - -static struct crypto_alg ctr_des3_alg = { - .cra_name = "ctr(des3_ede)", - .cra_driver_name = "ctr-des3_ede-s390", - .cra_priority = 400, /* combo: des3 + ede */ - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = 1, - .cra_ctxsize = sizeof(struct s390_des_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_u = { - .blkcipher = { - .min_keysize = DES3_KEY_SIZE, - .max_keysize = DES3_KEY_SIZE, - .ivsize = DES_BLOCK_SIZE, - .setkey = des3_setkey, - .encrypt = ctr_des3_encrypt, - .decrypt = ctr_des3_decrypt, - } - } +static struct skcipher_alg ctr_des3_alg = { + .base.cra_name = "ctr(des3_ede)", + .base.cra_driver_name = "ctr-des3_ede-s390", + .base.cra_priority = 400, /* combo: des3 + ede */ + .base.cra_blocksize = 1, + .base.cra_ctxsize = sizeof(struct s390_des_ctx), + .base.cra_module = THIS_MODULE, + .min_keysize = DES3_KEY_SIZE, + .max_keysize = DES3_KEY_SIZE, + .ivsize = DES_BLOCK_SIZE, + .setkey = des3_setkey_skcipher, + .encrypt = ctr_des3_crypt, + .decrypt = ctr_des3_crypt, + .chunksize = DES_BLOCK_SIZE, }; -static struct crypto_alg *des_s390_algs_ptr[8]; +static struct crypto_alg *des_s390_algs_ptr[2]; static int des_s390_algs_num; +static struct skcipher_alg *des_s390_skciphers_ptr[6]; +static int des_s390_skciphers_num; static int des_s390_register_alg(struct crypto_alg *alg) { @@ -497,10 +410,22 @@ static int des_s390_register_alg(struct crypto_alg *alg) return ret; } +static int des_s390_register_skcipher(struct skcipher_alg *alg) +{ + int ret; + + ret = crypto_register_skcipher(alg); + if (!ret) + des_s390_skciphers_ptr[des_s390_skciphers_num++] = alg; + return ret; +} + static void des_s390_exit(void) { while (des_s390_algs_num--) crypto_unregister_alg(des_s390_algs_ptr[des_s390_algs_num]); + while (des_s390_skciphers_num--) + crypto_unregister_skcipher(des_s390_skciphers_ptr[des_s390_skciphers_num]); if (ctrblk) free_page((unsigned long) ctrblk); } @@ -518,12 +443,12 @@ static int __init des_s390_init(void) ret = des_s390_register_alg(&des_alg); if (ret) goto out_err; - ret = des_s390_register_alg(&ecb_des_alg); + ret = des_s390_register_skcipher(&ecb_des_alg); if (ret) goto out_err; } if (cpacf_test_func(&kmc_functions, CPACF_KMC_DEA)) { - ret = des_s390_register_alg(&cbc_des_alg); + ret = des_s390_register_skcipher(&cbc_des_alg); if (ret) goto out_err; } @@ -531,12 +456,12 @@ static int __init des_s390_init(void) ret = des_s390_register_alg(&des3_alg); if (ret) goto out_err; - ret = des_s390_register_alg(&ecb_des3_alg); + ret = des_s390_register_skcipher(&ecb_des3_alg); if (ret) goto out_err; } if (cpacf_test_func(&kmc_functions, CPACF_KMC_TDEA_192)) { - ret = des_s390_register_alg(&cbc_des3_alg); + ret = des_s390_register_skcipher(&cbc_des3_alg); if (ret) goto out_err; } @@ -551,12 +476,12 @@ static int __init des_s390_init(void) } if (cpacf_test_func(&kmctr_functions, CPACF_KMCTR_DEA)) { - ret = des_s390_register_alg(&ctr_des_alg); + ret = des_s390_register_skcipher(&ctr_des_alg); if (ret) goto out_err; } if (cpacf_test_func(&kmctr_functions, CPACF_KMCTR_TDEA_192)) { - ret = des_s390_register_alg(&ctr_des3_alg); + ret = des_s390_register_skcipher(&ctr_des3_alg); if (ret) goto out_err; }