From: Martin Schwidefsky <schwidefsky@de.ibm.com>
To: linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org
Cc: Jan Glauber <jan.glauber@de.ibm.com>,
Martin Schwidefsky <schwidefsky@de.ibm.com>
Subject: [patch 2/9] aes-s390 key length.
Date: Fri, 04 May 2007 18:50:18 +0200 [thread overview]
Message-ID: <20070504165241.404051202@de.ibm.com> (raw)
In-Reply-To: 20070504165016.908033855@de.ibm.com
[-- Attachment #1: 002-aes-keylen.diff --]
[-- Type: text/plain, Size: 2314 bytes --]
From: Jan Glauber <jan.glauber@de.ibm.com>
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>
---
arch/s390/crypto/aes_s390.c | 15 +++++++++++----
1 files changed, 11 insertions(+), 4 deletions(-)
Index: quilt-2.6/arch/s390/crypto/aes_s390.c
===================================================================
--- quilt-2.6.orig/arch/s390/crypto/aes_s390.c 2007-05-04 18:48:36.000000000 +0200
+++ quilt-2.6/arch/s390/crypto/aes_s390.c 2007-05-04 18:50:14.000000000 +0200
@@ -119,7 +119,8 @@
.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 @@
.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 @@
.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 @@
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)
--
blue skies,
Martin.
"Reality continues to ruin my life." - Calvin.
next prev parent reply other threads:[~2007-05-04 16:50 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-04 16:50 [patch 0/9] more s390 patches for 2.6.22 Martin Schwidefsky
2007-05-04 16:50 ` [patch 1/9] get rid of kprobes notifier call chain Martin Schwidefsky
2007-05-04 16:50 ` Martin Schwidefsky [this message]
2007-05-04 16:50 ` [patch 3/9] Export uaccess as non-gpl symbol Martin Schwidefsky
2007-05-04 16:50 ` [patch 4/9] qdio: make qdio statistics SMP-capable Martin Schwidefsky
2007-05-04 16:50 ` [patch 5/9] cio: Deprecate read_dev_chars() and read_conf_data{,_lpm}() Martin Schwidefsky
2007-05-04 16:50 ` [patch 6/9] dasd: New read device characteristics and read configuration data Martin Schwidefsky
2007-05-04 16:50 ` [patch 7/9] qeth: New " Martin Schwidefsky
2007-05-04 16:50 ` [patch 8/9] tape: " Martin Schwidefsky
2007-05-04 16:50 ` [patch 9/9] add hardware capability support (ELF_HWCAP) Martin Schwidefsky
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