From b185a68710e074eeaffb595a31f9bb617c2aa890 Mon Sep 17 00:00:00 2001 From: Giovanni Cabiddu Date: Mon, 29 Jun 2020 18:16:18 +0100 Subject: [PATCH] crypto: qat - validate xts key Validate AES-XTS key using the function xts_verify_key() to prevent malformed keys. Signed-off-by: Giovanni Cabiddu Signed-off-by: Herbert Xu --- drivers/crypto/qat/qat_common/qat_algs.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/crypto/qat/qat_common/qat_algs.c b/drivers/crypto/qat/qat_common/qat_algs.c index 6bea6f868395..11f36eafda0c 100644 --- a/drivers/crypto/qat/qat_common/qat_algs.c +++ b/drivers/crypto/qat/qat_common/qat_algs.c @@ -995,6 +995,12 @@ static int qat_alg_skcipher_ctr_setkey(struct crypto_skcipher *tfm, static int qat_alg_skcipher_xts_setkey(struct crypto_skcipher *tfm, const u8 *key, unsigned int keylen) { + int ret; + + ret = xts_verify_key(tfm, key, keylen); + if (ret) + return ret; + return qat_alg_skcipher_setkey(tfm, key, keylen, ICP_QAT_HW_CIPHER_XTS_MODE); }