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Diffstat (limited to 'arch/arm64/crypto/aes-ce-ccm-glue.c')
-rw-r--r--arch/arm64/crypto/aes-ce-ccm-glue.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/arch/arm64/crypto/aes-ce-ccm-glue.c b/arch/arm64/crypto/aes-ce-ccm-glue.c
index 68b11aa690e4..5fc6f51908fd 100644
--- a/arch/arm64/crypto/aes-ce-ccm-glue.c
+++ b/arch/arm64/crypto/aes-ce-ccm-glue.c
@@ -125,7 +125,7 @@ static void ccm_update_mac(struct crypto_aes_ctx *key, u8 mac[], u8 const in[],
abytes -= added;
}
- while (abytes > AES_BLOCK_SIZE) {
+ while (abytes >= AES_BLOCK_SIZE) {
__aes_arm64_encrypt(key->key_enc, mac, mac,
num_rounds(key));
crypto_xor(mac, in, AES_BLOCK_SIZE);
@@ -139,8 +139,6 @@ static void ccm_update_mac(struct crypto_aes_ctx *key, u8 mac[], u8 const in[],
num_rounds(key));
crypto_xor(mac, in, abytes);
*macp = abytes;
- } else {
- *macp = 0;
}
}
}
@@ -255,7 +253,7 @@ static int ccm_encrypt(struct aead_request *req)
/* preserve the original iv for the final round */
memcpy(buf, req->iv, AES_BLOCK_SIZE);
- err = skcipher_walk_aead_encrypt(&walk, req, true);
+ err = skcipher_walk_aead_encrypt(&walk, req, false);
if (may_use_simd()) {
while (walk.nbytes) {
@@ -313,7 +311,7 @@ static int ccm_decrypt(struct aead_request *req)
/* preserve the original iv for the final round */
memcpy(buf, req->iv, AES_BLOCK_SIZE);
- err = skcipher_walk_aead_decrypt(&walk, req, true);
+ err = skcipher_walk_aead_decrypt(&walk, req, false);
if (may_use_simd()) {
while (walk.nbytes) {