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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-24 08:44:44 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-24 08:44:44 -0700
commit900f1d2c87738919986c6de606336057674c8c1e (patch)
tree5bcf24c6facda1229cf87067bb5e30350ce13ec9 /drivers
parent5270f2901d6ba38724d0e9e4b637e660f1ca85f7 (diff)
parent761e784673d79c8ea9befdad31e30c65e0d20b82 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: [CRYPTO] geode: Fix in-place operations and set key
Diffstat (limited to 'drivers')
-rw-r--r--drivers/crypto/geode-aes.c12
-rw-r--r--drivers/crypto/geode-aes.h3
2 files changed, 10 insertions, 5 deletions
diff --git a/drivers/crypto/geode-aes.c b/drivers/crypto/geode-aes.c
index 6d3840e629d..6a86958b577 100644
--- a/drivers/crypto/geode-aes.c
+++ b/drivers/crypto/geode-aes.c
@@ -102,10 +102,15 @@ geode_aes_crypt(struct geode_aes_op *op)
u32 flags = 0;
unsigned long iflags;
- if (op->len == 0 || op->src == op->dst)
+ if (op->len == 0)
return 0;
- if (op->flags & AES_FLAGS_COHERENT)
+ /* If the source and destination is the same, then
+ * we need to turn on the coherent flags, otherwise
+ * we don't need to worry
+ */
+
+ if (op->src == op->dst)
flags |= (AES_CTRL_DCA | AES_CTRL_SCA);
if (op->dir == AES_DIR_ENCRYPT)
@@ -120,7 +125,7 @@ geode_aes_crypt(struct geode_aes_op *op)
_writefield(AES_WRITEIV0_REG, op->iv);
}
- if (op->flags & AES_FLAGS_USRKEY) {
+ if (!(op->flags & AES_FLAGS_HIDDENKEY)) {
flags |= AES_CTRL_WRKEY;
_writefield(AES_WRITEKEY0_REG, op->key);
}
@@ -289,6 +294,7 @@ static struct crypto_alg geode_cbc_alg = {
.setkey = geode_setkey,
.encrypt = geode_cbc_encrypt,
.decrypt = geode_cbc_decrypt,
+ .ivsize = AES_IV_LENGTH,
}
}
};
diff --git a/drivers/crypto/geode-aes.h b/drivers/crypto/geode-aes.h
index 8003a36f3a8..f47968671ae 100644
--- a/drivers/crypto/geode-aes.h
+++ b/drivers/crypto/geode-aes.h
@@ -20,8 +20,7 @@
#define AES_DIR_DECRYPT 0
#define AES_DIR_ENCRYPT 1
-#define AES_FLAGS_USRKEY (1 << 0)
-#define AES_FLAGS_COHERENT (1 << 1)
+#define AES_FLAGS_HIDDENKEY (1 << 0)
struct geode_aes_op {