Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f67d1369665b2ce88227c40d9c9a6c8ba16bb866
Commit: f67d1369665b2ce88227c40d9c9a6c8ba16bb866
Parent: 33464e3b57834e161add62b499492cf43e35e54c
Author: Jan Glauber <[EMAIL PROTECTED]>
AuthorDate: Fri May 4 18:47:47 2007 +0200
Committer: Martin Schwidefsky <[EMAIL PROTECTED]>
CommitDate: Fri May 4 18:48:25 2007 +0200
[S390] aes-s390 key length.
Register aes-s390 algorithms with the actual supported max keylen size
Signed-off-by: Jan Glauber <[EMAIL PROTECTED]>
Signed-off-by: Martin Schwidefsky <[EMAIL PROTECTED]>
---
arch/s390/crypto/aes_s390.c | 15 +++++++++++----
1 files changed, 11 insertions(+), 4 deletions(-)
diff --git a/arch/s390/crypto/aes_s390.c b/arch/s390/crypto/aes_s390.c
index 9163635..3660ca6 100644
--- a/arch/s390/crypto/aes_s390.c
+++ b/arch/s390/crypto/aes_s390.c
@@ -119,7 +119,8 @@ 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_flags = CRYPTO_ALG_TYPE_CIPHER |
+ CRYPTO_ALG_NEED_FALLBACK,
.cra_blocksize = AES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct s390_aes_ctx),
.cra_module = THIS_MODULE,
@@ -206,7 +207,8 @@ 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_flags = CRYPTO_ALG_TYPE_BLKCIPHER |
+ CRYPTO_ALG_NEED_FALLBACK,
.cra_blocksize = AES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct s390_aes_ctx),
.cra_type = &crypto_blkcipher_type,
@@ -300,7 +302,8 @@ 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_flags = CRYPTO_ALG_TYPE_BLKCIPHER |
+ CRYPTO_ALG_NEED_FALLBACK,
.cra_blocksize = AES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct s390_aes_ctx),
.cra_type = &crypto_blkcipher_type,
@@ -333,10 +336,14 @@ static int __init aes_init(void)
return -EOPNOTSUPP;
/* 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
"aes_s390: hardware acceleration only available for"
"128 bit keys\n");
+ }
ret = crypto_register_alg(&aes_alg);
if (ret)
-
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