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Commit 8ed49c76 authored by Joel Fernandes's avatar Joel Fernandes Committed by Herbert Xu
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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: default avatarJoel Fernandes <joelf@ti.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 718249d7

drivers/crypto/omap-aes.c

+1 −1
Original line number Diff line number Diff line
@@ -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)