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path: root/drivers/crypto/talitos.c
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-rw-r--r--drivers/crypto/talitos.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index 0bba6a19d36a..79791c690858 100644
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -816,7 +816,7 @@ static void talitos_unregister_rng(struct device *dev)
* HMAC_SNOOP_NO_AFEA (HSNA) instead of type IPSEC_ESP
*/
#define TALITOS_CRA_PRIORITY_AEAD_HSNA (TALITOS_CRA_PRIORITY - 1)
-#define TALITOS_MAX_KEY_SIZE 96
+#define TALITOS_MAX_KEY_SIZE (AES_MAX_KEY_SIZE + SHA512_BLOCK_SIZE)
#define TALITOS_MAX_IV_LENGTH 16 /* max of AES_BLOCK_SIZE, DES3_EDE_BLOCK_SIZE */
struct talitos_ctx {
@@ -1495,6 +1495,11 @@ static int ablkcipher_setkey(struct crypto_ablkcipher *cipher,
{
struct talitos_ctx *ctx = crypto_ablkcipher_ctx(cipher);
+ if (keylen > TALITOS_MAX_KEY_SIZE) {
+ crypto_ablkcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN);
+ return -EINVAL;
+ }
+
memcpy(&ctx->key, key, keylen);
ctx->keylen = keylen;