[CRYPTO] ccm: Fix crash in rfc4309_setkey
The nonce is being extracted from the wrong place due to the incorrect
placement of the keylen adjustment.
Signed-off-by: Herbert Xu <[EMAIL PROTECTED]>
---
crypto/ccm.c | 2 +-
1 files changed, 1 insertion(+), 1 deletion(-)
diff --git a/crypto/ccm.c b/crypto/ccm.c
index 8c7d3b7..82bcc14 100644
--- a/crypto/ccm.c
+++ b/crypto/ccm.c
@@ -630,7 +630,7 @@ static int crypto_rfc4309_setkey(struct crypto_aead
*parent, const u8 *key,
return -EINVAL;
keylen -= 3;
- memcpy(ctx->nonce, key + keylen - 3, 3);
+ memcpy(ctx->nonce, key + keylen, 3);
crypto_aead_clear_flags(child, CRYPTO_TFM_REQ_MASK);
crypto_aead_set_flags(child, crypto_aead_get_flags(parent) &
-
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