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[S390] aes-s390 key length.

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Register aes-s390 algorithms with the actual supported max keylen size

Signed-off-by: Jan Glauber <jan.glauber@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Jan Glauber 2007-05-04 18:47:47 +02:00 committed by Martin Schwidefsky
parent 33464e3b57
commit f67d136966
1 changed files with 11 additions and 4 deletions
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15
arch/s390/crypto/aes_s390.c
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@ -119,7 +119,8 @@ static struct crypto_alg aes_alg = {
.cra_name = "aes", .cra_name = "aes",
.cra_driver_name = "aes-s390", .cra_driver_name = "aes-s390",
.cra_priority = CRYPT_S390_PRIORITY, .cra_priority = CRYPT_S390_PRIORITY,
.cra_flags = CRYPTO_ALG_TYPE_CIPHER, .cra_flags = CRYPTO_ALG_TYPE_CIPHER |
CRYPTO_ALG_NEED_FALLBACK,
.cra_blocksize = AES_BLOCK_SIZE, .cra_blocksize = AES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct s390_aes_ctx), .cra_ctxsize = sizeof(struct s390_aes_ctx),
.cra_module = THIS_MODULE, .cra_module = THIS_MODULE,
@ -206,7 +207,8 @@ static struct crypto_alg ecb_aes_alg = {
.cra_name = "ecb(aes)", .cra_name = "ecb(aes)",
.cra_driver_name = "ecb-aes-s390", .cra_driver_name = "ecb-aes-s390",
.cra_priority = CRYPT_S390_COMPOSITE_PRIORITY, .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY,
.cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER |
CRYPTO_ALG_NEED_FALLBACK,
.cra_blocksize = AES_BLOCK_SIZE, .cra_blocksize = AES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct s390_aes_ctx), .cra_ctxsize = sizeof(struct s390_aes_ctx),
.cra_type = &crypto_blkcipher_type, .cra_type = &crypto_blkcipher_type,
@ -300,7 +302,8 @@ static struct crypto_alg cbc_aes_alg = {
.cra_name = "cbc(aes)", .cra_name = "cbc(aes)",
.cra_driver_name = "cbc-aes-s390", .cra_driver_name = "cbc-aes-s390",
.cra_priority = CRYPT_S390_COMPOSITE_PRIORITY, .cra_priority = CRYPT_S390_COMPOSITE_PRIORITY,
.cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER |
CRYPTO_ALG_NEED_FALLBACK,
.cra_blocksize = AES_BLOCK_SIZE, .cra_blocksize = AES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct s390_aes_ctx), .cra_ctxsize = sizeof(struct s390_aes_ctx),
.cra_type = &crypto_blkcipher_type, .cra_type = &crypto_blkcipher_type,
@ -333,10 +336,14 @@ static int __init aes_init(void)
return -EOPNOTSUPP; return -EOPNOTSUPP;
/* z9 109 and z9 BC/EC only support 128 bit key length */ /* z9 109 and z9 BC/EC only support 128 bit key length */
if (keylen_flag == AES_KEYLEN_128) if (keylen_flag == AES_KEYLEN_128) {
aes_alg.cra_u.cipher.cia_max_keysize = AES_MIN_KEY_SIZE;
ecb_aes_alg.cra_u.blkcipher.max_keysize = AES_MIN_KEY_SIZE;
cbc_aes_alg.cra_u.blkcipher.max_keysize = AES_MIN_KEY_SIZE;
printk(KERN_INFO printk(KERN_INFO
"aes_s390: hardware acceleration only available for" "aes_s390: hardware acceleration only available for"
"128 bit keys\n"); "128 bit keys\n");
}
ret = crypto_register_alg(&aes_alg); ret = crypto_register_alg(&aes_alg);
if (ret) if (ret)