소스 검색

crypto: omap-aes - Fix CTR mode counter length

NIST vectors for CTR mode in testmgr.h assume the entire IV as the counter. To
get correct results that match the output of these vectors, we need to set the
counter length correctly.

Signed-off-by: Joel Fernandes <joelf@ti.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Joel Fernandes 12 년 전
부모
커밋
8ed49c7675
1개의 변경된 파일1개의 추가작업 그리고 1개의 파일을 삭제
  1. 1 1
      drivers/crypto/omap-aes.c

+ 1 - 1
drivers/crypto/omap-aes.c

@@ -275,7 +275,7 @@ static int omap_aes_write_ctrl(struct omap_aes_dev *dd)
 	if (dd->flags & FLAGS_CBC)
 		val |= AES_REG_CTRL_CBC;
 	if (dd->flags & FLAGS_CTR) {
-		val |= AES_REG_CTRL_CTR | AES_REG_CTRL_CTR_WIDTH_32;
+		val |= AES_REG_CTRL_CTR | AES_REG_CTRL_CTR_WIDTH_128;
 		mask = AES_REG_CTRL_CTR | AES_REG_CTRL_CTR_WIDTH_MASK;
 	}
 	if (dd->flags & FLAGS_ENCRYPT)