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Commit 1c2b4abb authored by Kim Phillips's avatar Kim Phillips Committed by Herbert Xu
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crypto: talitos - don't bad_key in ablkcipher setkey



crypto/ablkcipher.c's setkey() has already checked against the min, max
key sizes before it calls here, and all max_keysize assignments in the
algorithm template array do not exceed TALITOS_MAX_KEY_SIZE.

Signed-off-by: default avatarKim Phillips <kim.phillips@freescale.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent febec542
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+0 −11
Original line number Diff line number Diff line
@@ -1378,22 +1378,11 @@ static int ablkcipher_setkey(struct crypto_ablkcipher *cipher,
			     const u8 *key, unsigned int keylen)
{
	struct talitos_ctx *ctx = crypto_ablkcipher_ctx(cipher);
	struct ablkcipher_alg *alg = crypto_ablkcipher_alg(cipher);

	if (keylen > TALITOS_MAX_KEY_SIZE)
		goto badkey;

	if (keylen < alg->min_keysize || keylen > alg->max_keysize)
		goto badkey;

	memcpy(&ctx->key, key, keylen);
	ctx->keylen = keylen;

	return 0;

badkey:
	crypto_ablkcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN);
	return -EINVAL;
}

static void common_nonsnoop_unmap(struct device *dev,