diff options
| -rw-r--r-- | arch/s390/crypto/sha512_s390.c | 57 | ||||
| -rw-r--r-- | drivers/crypto/Kconfig | 6 |
2 files changed, 54 insertions, 9 deletions
diff --git a/arch/s390/crypto/sha512_s390.c b/arch/s390/crypto/sha512_s390.c index 4d651bbce0f4..23c7861f6aeb 100644 --- a/arch/s390/crypto/sha512_s390.c +++ b/arch/s390/crypto/sha512_s390.c @@ -1,7 +1,7 @@ /* * Cryptographic API. * - * s390 implementation of the SHA512 Secure Hash Algorithm. + * s390 implementation of the SHA512 and SHA38 Secure Hash Algorithm. * * Copyright IBM Corp. 2007 * Author(s): Jan Glauber (jang@de.ibm.com) @@ -35,7 +35,7 @@ static void sha512_init(struct crypto_tfm *tfm) ctx->func = KIMD_SHA_512; } -static struct crypto_alg alg = { +static struct crypto_alg sha512_alg = { .cra_name = "sha512", .cra_driver_name = "sha512-s390", .cra_priority = CRYPT_S390_PRIORITY, @@ -43,7 +43,7 @@ static struct crypto_alg alg = { .cra_blocksize = SHA512_BLOCK_SIZE, .cra_ctxsize = sizeof(struct s390_sha_ctx), .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(alg.cra_list), + .cra_list = LIST_HEAD_INIT(sha512_alg.cra_list), .cra_u = { .digest = { .dia_digestsize = SHA512_DIGEST_SIZE, .dia_init = sha512_init, @@ -51,21 +51,64 @@ static struct crypto_alg alg = { .dia_final = s390_sha_final } } }; +MODULE_ALIAS("sha512"); + +static void sha384_init(struct crypto_tfm *tfm) +{ + struct s390_sha_ctx *ctx = crypto_tfm_ctx(tfm); + + *(__u64 *)&ctx->state[0] = 0xcbbb9d5dc1059ed8ULL; + *(__u64 *)&ctx->state[2] = 0x629a292a367cd507ULL; + *(__u64 *)&ctx->state[4] = 0x9159015a3070dd17ULL; + *(__u64 *)&ctx->state[6] = 0x152fecd8f70e5939ULL; + *(__u64 *)&ctx->state[8] = 0x67332667ffc00b31ULL; + *(__u64 *)&ctx->state[10] = 0x8eb44a8768581511ULL; + *(__u64 *)&ctx->state[12] = 0xdb0c2e0d64f98fa7ULL; + *(__u64 *)&ctx->state[14] = 0x47b5481dbefa4fa4ULL; + ctx->count = 0; + ctx->func = KIMD_SHA_512; +} + +static struct crypto_alg sha384_alg = { + .cra_name = "sha384", + .cra_driver_name = "sha384-s390", + .cra_priority = CRYPT_S390_PRIORITY, + .cra_flags = CRYPTO_ALG_TYPE_DIGEST, + .cra_blocksize = SHA384_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct s390_sha_ctx), + .cra_module = THIS_MODULE, + .cra_list = LIST_HEAD_INIT(sha384_alg.cra_list), + .cra_u = { .digest = { + .dia_digestsize = SHA384_DIGEST_SIZE, + .dia_init = sha384_init, + .dia_update = s390_sha_update, + .dia_final = s390_sha_final } } +}; + +MODULE_ALIAS("sha384"); + static int __init init(void) { + int ret; + if (!crypt_s390_func_available(KIMD_SHA_512)) return -EOPNOTSUPP; - return crypto_register_alg(&alg); + if ((ret = crypto_register_alg(&sha512_alg)) < 0) + goto out; + if ((ret = crypto_register_alg(&sha384_alg)) < 0) + crypto_unregister_alg(&sha512_alg); +out: + return ret; } static void __exit fini(void) { - crypto_unregister_alg(&alg); + crypto_unregister_alg(&sha512_alg); + crypto_unregister_alg(&sha384_alg); } module_init(init); module_exit(fini); -MODULE_ALIAS("sha512"); MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("SHA512 Secure Hash Algorithm"); +MODULE_DESCRIPTION("SHA512 and SHA-384 Secure Hash Algorithm"); diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig index ea7b19047270..e15dbc61f20f 100644 --- a/drivers/crypto/Kconfig +++ b/drivers/crypto/Kconfig @@ -102,7 +102,7 @@ config CRYPTO_SHA256_S390 security against collision attacks. config CRYPTO_SHA512_S390 - tristate "SHA512 digest algorithm" + tristate "SHA384 and SHA512 digest algorithm" depends on S390 select CRYPTO_ALGAPI help @@ -110,7 +110,9 @@ config CRYPTO_SHA512_S390 SHA512 secure hash standard. This version of SHA implements a 512 bit hash with 256 bits of - security against collision attacks. + security against collision attacks. The code also includes SHA-384, + a 384 bit hash with 192 bits of security against collision attacks. + config CRYPTO_DES_S390 tristate "DES and Triple DES cipher algorithms" |