Commit 836d8f43 authored by Iuliana Prodan's avatar Iuliana Prodan Committed by Herbert Xu
Browse files

crypto: caam - check key length 



Check key length to solve the extra tests that expect -EINVAL to be
returned when the key size is not valid.

Validated AES keylen for skcipher, ahash and aead.

Signed-off-by: default avatarIuliana Prodan <iuliana.prodan@nxp.com>
Reviewed-by: default avatarHoria Geanta <horia.geanta@nxp.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 1ccb39eb

drivers/crypto/caam/Kconfig

+2 −0
Original line number Diff line number Diff line
@@ -111,6 +111,7 @@ config CRYPTO_DEV_FSL_CAAM_CRYPTO_API_QI 
	select CRYPTO_DEV_FSL_CAAM_CRYPTO_API_DESC

	select CRYPTO_AUTHENC

	select CRYPTO_BLKCIPHER

	select CRYPTO_DES

	help

	  Selecting this will use CAAM Queue Interface (QI) for sending

	  & receiving crypto jobs to/from CAAM. This gives better performance
@@ -161,6 +162,7 @@ config CRYPTO_DEV_FSL_DPAA2_CAAM 
	select CRYPTO_AUTHENC

	select CRYPTO_AEAD

	select CRYPTO_HASH

	select CRYPTO_DES

	help

	  CAAM driver for QorIQ Data Path Acceleration Architecture 2.

	  It handles DPSECI DPAA2 objects that sit on the Management Complex

drivers/crypto/caam/caamalg.c

+94 −31
Original line number Diff line number Diff line
@@ -667,6 +667,13 @@ static int gcm_setkey(struct crypto_aead *aead, 
{

	struct caam_ctx *ctx = crypto_aead_ctx(aead);

	struct device *jrdev = ctx->jrdev;

	int err;



	err = aes_check_keylen(keylen);

	if (err) {

		crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN);

		return err;

	}



	print_hex_dump_debug("key in @"__stringify(__LINE__)": ",

			     DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1);
@@ -683,9 +690,13 @@ static int rfc4106_setkey(struct crypto_aead *aead, 
{

	struct caam_ctx *ctx = crypto_aead_ctx(aead);

	struct device *jrdev = ctx->jrdev;

	int err;



	if (keylen < 4)

		return -EINVAL;

	err = aes_check_keylen(keylen - 4);

	if (err) {

		crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN);

		return err;

	}



	print_hex_dump_debug("key in @"__stringify(__LINE__)": ",

			     DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1);
@@ -707,9 +718,13 @@ static int rfc4543_setkey(struct crypto_aead *aead, 
{

	struct caam_ctx *ctx = crypto_aead_ctx(aead);

	struct device *jrdev = ctx->jrdev;

	int err;



	if (keylen < 4)

		return -EINVAL;

	err = aes_check_keylen(keylen - 4);

	if (err) {

		crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN);

		return err;

	}



	print_hex_dump_debug("key in @"__stringify(__LINE__)": ",

			     DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1);
@@ -727,7 +742,7 @@ static int rfc4543_setkey(struct crypto_aead *aead, 
}



static int skcipher_setkey(struct crypto_skcipher *skcipher, const u8 *key,

			   unsigned int keylen)

			   unsigned int keylen, const u32 ctx1_iv_off)

{

	struct caam_ctx *ctx = crypto_skcipher_ctx(skcipher);

	struct caam_skcipher_alg *alg =
@@ -736,30 +751,10 @@ static int skcipher_setkey(struct crypto_skcipher *skcipher, const u8 *key, 
	struct device *jrdev = ctx->jrdev;

	unsigned int ivsize = crypto_skcipher_ivsize(skcipher);

	u32 *desc;

	u32 ctx1_iv_off = 0;

	const bool ctr_mode = ((ctx->cdata.algtype & OP_ALG_AAI_MASK) ==

			       OP_ALG_AAI_CTR_MOD128);

	const bool is_rfc3686 = alg->caam.rfc3686;



	print_hex_dump_debug("key in @"__stringify(__LINE__)": ",

			     DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1);

	/*

	 * AES-CTR needs to load IV in CONTEXT1 reg

	 * at an offset of 128bits (16bytes)

	 * CONTEXT1[255:128] = IV

	 */

	if (ctr_mode)

		ctx1_iv_off = 16;



	/*

	 * RFC3686 specific:

	 *	| CONTEXT1[255:128] = {NONCE, IV, COUNTER}

	 *	| *key = {KEY, NONCE}

	 */

	if (is_rfc3686) {

		ctx1_iv_off = 16 + CTR_RFC3686_NONCE_SIZE;

		keylen -= CTR_RFC3686_NONCE_SIZE;

	}



	ctx->cdata.keylen = keylen;

	ctx->cdata.key_virt = key;
@@ -782,6 +777,74 @@ static int skcipher_setkey(struct crypto_skcipher *skcipher, const u8 *key, 
	return 0;

}



static int aes_skcipher_setkey(struct crypto_skcipher *skcipher,

			       const u8 *key, unsigned int keylen)

{

	int err;



	err = aes_check_keylen(keylen);

	if (err) {

		crypto_skcipher_set_flags(skcipher,

					  CRYPTO_TFM_RES_BAD_KEY_LEN);

		return err;

	}



	return skcipher_setkey(skcipher, key, keylen, 0);

}



static int rfc3686_skcipher_setkey(struct crypto_skcipher *skcipher,

				   const u8 *key, unsigned int keylen)

{

	u32 ctx1_iv_off;

	int err;



	/*

	 * RFC3686 specific:

	 *	| CONTEXT1[255:128] = {NONCE, IV, COUNTER}

	 *	| *key = {KEY, NONCE}

	 */

	ctx1_iv_off = 16 + CTR_RFC3686_NONCE_SIZE;

	keylen -= CTR_RFC3686_NONCE_SIZE;



	err = aes_check_keylen(keylen);

	if (err) {

		crypto_skcipher_set_flags(skcipher,

					  CRYPTO_TFM_RES_BAD_KEY_LEN);

		return err;

	}



	return skcipher_setkey(skcipher, key, keylen, ctx1_iv_off);

}



static int ctr_skcipher_setkey(struct crypto_skcipher *skcipher,

			       const u8 *key, unsigned int keylen)

{

	u32 ctx1_iv_off;

	int err;



	/*

	 * AES-CTR needs to load IV in CONTEXT1 reg

	 * at an offset of 128bits (16bytes)

	 * CONTEXT1[255:128] = IV

	 */

	ctx1_iv_off = 16;



	err = aes_check_keylen(keylen);

	if (err) {

		crypto_skcipher_set_flags(skcipher,

					  CRYPTO_TFM_RES_BAD_KEY_LEN);

		return err;

	}



	return skcipher_setkey(skcipher, key, keylen, ctx1_iv_off);

}



static int arc4_skcipher_setkey(struct crypto_skcipher *skcipher,

				const u8 *key, unsigned int keylen)

{

	return skcipher_setkey(skcipher, key, keylen, 0);

}



static int des_skcipher_setkey(struct crypto_skcipher *skcipher,

			       const u8 *key, unsigned int keylen)

{
@@ -800,7 +863,7 @@ static int des_skcipher_setkey(struct crypto_skcipher *skcipher, 
		return -EINVAL;

	}



	return skcipher_setkey(skcipher, key, keylen);

	return skcipher_setkey(skcipher, key, keylen, 0);

}



static int xts_skcipher_setkey(struct crypto_skcipher *skcipher, const u8 *key,
@@ -1880,7 +1943,7 @@ static struct caam_skcipher_alg driver_algs[] = { 
				.cra_driver_name = "cbc-aes-caam",

				.cra_blocksize = AES_BLOCK_SIZE,

			},

			.setkey = skcipher_setkey,

			.setkey = aes_skcipher_setkey,

			.encrypt = skcipher_encrypt,

			.decrypt = skcipher_decrypt,

			.min_keysize = AES_MIN_KEY_SIZE,
@@ -1928,7 +1991,7 @@ static struct caam_skcipher_alg driver_algs[] = { 
				.cra_driver_name = "ctr-aes-caam",

				.cra_blocksize = 1,

			},

			.setkey = skcipher_setkey,

			.setkey = ctr_skcipher_setkey,

			.encrypt = skcipher_encrypt,

			.decrypt = skcipher_decrypt,

			.min_keysize = AES_MIN_KEY_SIZE,
@@ -1946,7 +2009,7 @@ static struct caam_skcipher_alg driver_algs[] = { 
				.cra_driver_name = "rfc3686-ctr-aes-caam",

				.cra_blocksize = 1,

			},

			.setkey = skcipher_setkey,

			.setkey = rfc3686_skcipher_setkey,

			.encrypt = skcipher_encrypt,

			.decrypt = skcipher_decrypt,

			.min_keysize = AES_MIN_KEY_SIZE +
@@ -2000,7 +2063,7 @@ static struct caam_skcipher_alg driver_algs[] = { 
				.cra_driver_name = "ecb-aes-caam",

				.cra_blocksize = AES_BLOCK_SIZE,

			},

			.setkey = skcipher_setkey,

			.setkey = aes_skcipher_setkey,

			.encrypt = skcipher_encrypt,

			.decrypt = skcipher_decrypt,

			.min_keysize = AES_MIN_KEY_SIZE,
@@ -2030,7 +2093,7 @@ static struct caam_skcipher_alg driver_algs[] = { 
				.cra_driver_name = "ecb-arc4-caam",

				.cra_blocksize = ARC4_BLOCK_SIZE,

			},

			.setkey = skcipher_setkey,

			.setkey = arc4_skcipher_setkey,

			.encrypt = skcipher_encrypt,

			.decrypt = skcipher_decrypt,

			.min_keysize = ARC4_MIN_KEY_SIZE,

drivers/crypto/caam/caamalg_qi.c

+99 −31
Original line number Diff line number Diff line
@@ -385,6 +385,12 @@ static int gcm_setkey(struct crypto_aead *aead, 
	struct device *jrdev = ctx->jrdev;

	int ret;



	ret = aes_check_keylen(keylen);

	if (ret) {

		crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN);

		return ret;

	}



	print_hex_dump_debug("key in @" __stringify(__LINE__)": ",

			     DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1);
@@ -480,8 +486,11 @@ static int rfc4106_setkey(struct crypto_aead *aead, 
	struct device *jrdev = ctx->jrdev;

	int ret;



	if (keylen < 4)

		return -EINVAL;

	ret = aes_check_keylen(keylen - 4);

	if (ret) {

		crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN);

		return ret;

	}



	print_hex_dump_debug("key in @" __stringify(__LINE__)": ",

			     DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1);
@@ -582,8 +591,11 @@ static int rfc4543_setkey(struct crypto_aead *aead, 
	struct device *jrdev = ctx->jrdev;

	int ret;



	if (keylen < 4)

		return -EINVAL;

	ret = aes_check_keylen(keylen - 4);

	if (ret) {

		crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN);

		return ret;

	}



	print_hex_dump_debug("key in @" __stringify(__LINE__)": ",

			     DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1);
@@ -624,7 +636,7 @@ static int rfc4543_setkey(struct crypto_aead *aead, 
}



static int skcipher_setkey(struct crypto_skcipher *skcipher, const u8 *key,

			   unsigned int keylen)

			   unsigned int keylen, const u32 ctx1_iv_off)

{

	struct caam_ctx *ctx = crypto_skcipher_ctx(skcipher);

	struct caam_skcipher_alg *alg =
@@ -632,33 +644,12 @@ static int skcipher_setkey(struct crypto_skcipher *skcipher, const u8 *key, 
			     skcipher);

	struct device *jrdev = ctx->jrdev;

	unsigned int ivsize = crypto_skcipher_ivsize(skcipher);

	u32 ctx1_iv_off = 0;

	const bool ctr_mode = ((ctx->cdata.algtype & OP_ALG_AAI_MASK) ==

			       OP_ALG_AAI_CTR_MOD128);

	const bool is_rfc3686 = alg->caam.rfc3686;

	int ret = 0;



	print_hex_dump_debug("key in @" __stringify(__LINE__)": ",

			     DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1);



	/*

	 * AES-CTR needs to load IV in CONTEXT1 reg

	 * at an offset of 128bits (16bytes)

	 * CONTEXT1[255:128] = IV

	 */

	if (ctr_mode)

		ctx1_iv_off = 16;



	/*

	 * RFC3686 specific:

	 *	| CONTEXT1[255:128] = {NONCE, IV, COUNTER}

	 *	| *key = {KEY, NONCE}

	 */

	if (is_rfc3686) {

		ctx1_iv_off = 16 + CTR_RFC3686_NONCE_SIZE;

		keylen -= CTR_RFC3686_NONCE_SIZE;

	}



	ctx->cdata.keylen = keylen;

	ctx->cdata.key_virt = key;

	ctx->cdata.key_inline = true;
@@ -694,11 +685,88 @@ badkey: 
	return -EINVAL;

}



static int aes_skcipher_setkey(struct crypto_skcipher *skcipher,

			       const u8 *key, unsigned int keylen)

{

	int err;



	err = aes_check_keylen(keylen);

	if (err) {

		crypto_skcipher_set_flags(skcipher,

					  CRYPTO_TFM_RES_BAD_KEY_LEN);

		return err;

	}



	return skcipher_setkey(skcipher, key, keylen, 0);

}



static int rfc3686_skcipher_setkey(struct crypto_skcipher *skcipher,

				   const u8 *key, unsigned int keylen)

{

	u32 ctx1_iv_off;

	int err;



	/*

	 * RFC3686 specific:

	 *	| CONTEXT1[255:128] = {NONCE, IV, COUNTER}

	 *	| *key = {KEY, NONCE}

	 */

	ctx1_iv_off = 16 + CTR_RFC3686_NONCE_SIZE;

	keylen -= CTR_RFC3686_NONCE_SIZE;



	err = aes_check_keylen(keylen);

	if (err) {

		crypto_skcipher_set_flags(skcipher,

					  CRYPTO_TFM_RES_BAD_KEY_LEN);

		return err;

	}



	return skcipher_setkey(skcipher, key, keylen, ctx1_iv_off);

}



static int ctr_skcipher_setkey(struct crypto_skcipher *skcipher,

			       const u8 *key, unsigned int keylen)

{

	u32 ctx1_iv_off;

	int err;



	/*

	 * AES-CTR needs to load IV in CONTEXT1 reg

	 * at an offset of 128bits (16bytes)

	 * CONTEXT1[255:128] = IV

	 */

	ctx1_iv_off = 16;



	err = aes_check_keylen(keylen);

	if (err) {

		crypto_skcipher_set_flags(skcipher,

					  CRYPTO_TFM_RES_BAD_KEY_LEN);

		return err;

	}



	return skcipher_setkey(skcipher, key, keylen, ctx1_iv_off);

}



static int des3_skcipher_setkey(struct crypto_skcipher *skcipher,

				const u8 *key, unsigned int keylen)

{

	return unlikely(des3_verify_key(skcipher, key)) ?:

	       skcipher_setkey(skcipher, key, keylen);

	       skcipher_setkey(skcipher, key, keylen, 0);

}



static int des_skcipher_setkey(struct crypto_skcipher *skcipher,

			       const u8 *key, unsigned int keylen)

{

	u32 tmp[DES_EXPKEY_WORDS];



	if (!des_ekey(tmp, key) && (crypto_skcipher_get_flags(skcipher) &

	    CRYPTO_TFM_REQ_FORBID_WEAK_KEYS)) {

		crypto_skcipher_set_flags(skcipher,

					  CRYPTO_TFM_RES_WEAK_KEY);

		return -EINVAL;

	}



	return skcipher_setkey(skcipher, key, keylen, 0);

}



static int xts_skcipher_setkey(struct crypto_skcipher *skcipher, const u8 *key,
@@ -1405,7 +1473,7 @@ static struct caam_skcipher_alg driver_algs[] = { 
				.cra_driver_name = "cbc-aes-caam-qi",

				.cra_blocksize = AES_BLOCK_SIZE,

			},

			.setkey = skcipher_setkey,

			.setkey = aes_skcipher_setkey,

			.encrypt = skcipher_encrypt,

			.decrypt = skcipher_decrypt,

			.min_keysize = AES_MIN_KEY_SIZE,
@@ -1437,7 +1505,7 @@ static struct caam_skcipher_alg driver_algs[] = { 
				.cra_driver_name = "cbc-des-caam-qi",

				.cra_blocksize = DES_BLOCK_SIZE,

			},

			.setkey = skcipher_setkey,

			.setkey = des_skcipher_setkey,

			.encrypt = skcipher_encrypt,

			.decrypt = skcipher_decrypt,

			.min_keysize = DES_KEY_SIZE,
@@ -1453,7 +1521,7 @@ static struct caam_skcipher_alg driver_algs[] = { 
				.cra_driver_name = "ctr-aes-caam-qi",

				.cra_blocksize = 1,

			},

			.setkey = skcipher_setkey,

			.setkey = ctr_skcipher_setkey,

			.encrypt = skcipher_encrypt,

			.decrypt = skcipher_decrypt,

			.min_keysize = AES_MIN_KEY_SIZE,
@@ -1471,7 +1539,7 @@ static struct caam_skcipher_alg driver_algs[] = { 
				.cra_driver_name = "rfc3686-ctr-aes-caam-qi",

				.cra_blocksize = 1,

			},

			.setkey = skcipher_setkey,

			.setkey = rfc3686_skcipher_setkey,

			.encrypt = skcipher_encrypt,

			.decrypt = skcipher_decrypt,

			.min_keysize = AES_MIN_KEY_SIZE +

drivers/crypto/caam/caamalg_qi2.c

+117 −38
Original line number Diff line number Diff line
@@ -732,7 +732,13 @@ static int gcm_setkey(struct crypto_aead *aead, 
{

	struct caam_ctx *ctx = crypto_aead_ctx(aead);

	struct device *dev = ctx->dev;

	int ret;



	ret = aes_check_keylen(keylen);

	if (ret) {

		crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN);

		return ret;

	}

	print_hex_dump_debug("key in @" __stringify(__LINE__)": ",

			     DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1);
@@ -818,9 +824,13 @@ static int rfc4106_setkey(struct crypto_aead *aead, 
{

	struct caam_ctx *ctx = crypto_aead_ctx(aead);

	struct device *dev = ctx->dev;

	int ret;



	if (keylen < 4)

		return -EINVAL;

	ret = aes_check_keylen(keylen - 4);

	if (ret) {

		crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN);

		return ret;

	}



	print_hex_dump_debug("key in @" __stringify(__LINE__)": ",

			     DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1);
@@ -912,9 +922,13 @@ static int rfc4543_setkey(struct crypto_aead *aead, 
{

	struct caam_ctx *ctx = crypto_aead_ctx(aead);

	struct device *dev = ctx->dev;

	int ret;



	if (keylen < 4)

		return -EINVAL;

	ret = aes_check_keylen(keylen - 4);

	if (ret) {

		crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN);

		return ret;

	}



	print_hex_dump_debug("key in @" __stringify(__LINE__)": ",

			     DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1);
@@ -932,7 +946,7 @@ static int rfc4543_setkey(struct crypto_aead *aead, 
}



static int skcipher_setkey(struct crypto_skcipher *skcipher, const u8 *key,

			   unsigned int keylen)

			   unsigned int keylen, const u32 ctx1_iv_off)

{

	struct caam_ctx *ctx = crypto_skcipher_ctx(skcipher);

	struct caam_skcipher_alg *alg =
@@ -942,34 +956,11 @@ static int skcipher_setkey(struct crypto_skcipher *skcipher, const u8 *key, 
	struct caam_flc *flc;

	unsigned int ivsize = crypto_skcipher_ivsize(skcipher);

	u32 *desc;

	u32 ctx1_iv_off = 0;

	const bool ctr_mode = ((ctx->cdata.algtype & OP_ALG_AAI_MASK) ==

			       OP_ALG_AAI_CTR_MOD128) &&

			       ((ctx->cdata.algtype & OP_ALG_ALGSEL_MASK) !=

			       OP_ALG_ALGSEL_CHACHA20);

	const bool is_rfc3686 = alg->caam.rfc3686;



	print_hex_dump_debug("key in @" __stringify(__LINE__)": ",

			     DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1);



	/*

	 * AES-CTR needs to load IV in CONTEXT1 reg

	 * at an offset of 128bits (16bytes)

	 * CONTEXT1[255:128] = IV

	 */

	if (ctr_mode)

		ctx1_iv_off = 16;



	/*

	 * RFC3686 specific:

	 *	| CONTEXT1[255:128] = {NONCE, IV, COUNTER}

	 *	| *key = {KEY, NONCE}

	 */

	if (is_rfc3686) {

		ctx1_iv_off = 16 + CTR_RFC3686_NONCE_SIZE;

		keylen -= CTR_RFC3686_NONCE_SIZE;

	}



	ctx->cdata.keylen = keylen;

	ctx->cdata.key_virt = key;

	ctx->cdata.key_inline = true;
@@ -997,11 +988,99 @@ static int skcipher_setkey(struct crypto_skcipher *skcipher, const u8 *key, 
	return 0;

}



static int des3_skcipher_setkey(struct crypto_skcipher *skcipher,

static int aes_skcipher_setkey(struct crypto_skcipher *skcipher,

			       const u8 *key, unsigned int keylen)

{

	int err;



	err = aes_check_keylen(keylen);

	if (err) {

		crypto_skcipher_set_flags(skcipher,

					  CRYPTO_TFM_RES_BAD_KEY_LEN);

		return err;

	}



	return skcipher_setkey(skcipher, key, keylen, 0);

}



static int rfc3686_skcipher_setkey(struct crypto_skcipher *skcipher,

				   const u8 *key, unsigned int keylen)

{

	u32 ctx1_iv_off;

	int err;



	/*

	 * RFC3686 specific:

	 *	| CONTEXT1[255:128] = {NONCE, IV, COUNTER}

	 *	| *key = {KEY, NONCE}

	 */

	ctx1_iv_off = 16 + CTR_RFC3686_NONCE_SIZE;

	keylen -= CTR_RFC3686_NONCE_SIZE;



	err = aes_check_keylen(keylen);

	if (err) {

		crypto_skcipher_set_flags(skcipher,

					  CRYPTO_TFM_RES_BAD_KEY_LEN);

		return err;

	}



	return skcipher_setkey(skcipher, key, keylen, ctx1_iv_off);

}



static int ctr_skcipher_setkey(struct crypto_skcipher *skcipher,

			       const u8 *key, unsigned int keylen)

{

	return unlikely(des3_verify_key(skcipher, key)) ?:

	       skcipher_setkey(skcipher, key, keylen);

	u32 ctx1_iv_off;

	int err;



	/*

	 * AES-CTR needs to load IV in CONTEXT1 reg

	 * at an offset of 128bits (16bytes)

	 * CONTEXT1[255:128] = IV

	 */

	ctx1_iv_off = 16;



	err = aes_check_keylen(keylen);

	if (err) {

		crypto_skcipher_set_flags(skcipher,

					  CRYPTO_TFM_RES_BAD_KEY_LEN);

		return err;

	}



	return skcipher_setkey(skcipher, key, keylen, ctx1_iv_off);

}



static int chacha20_skcipher_setkey(struct crypto_skcipher *skcipher,

				    const u8 *key, unsigned int keylen)

{

	if (keylen != CHACHA_KEY_SIZE) {

		crypto_skcipher_set_flags(skcipher,

					  CRYPTO_TFM_RES_BAD_KEY_LEN);

		return -EINVAL;

	}



	return skcipher_setkey(skcipher, key, keylen, 0);

}



static int des_skcipher_setkey(struct crypto_skcipher *skcipher,

			       const u8 *key, unsigned int keylen)

{

	u32 tmp[DES3_EDE_EXPKEY_WORDS];

	struct crypto_tfm *tfm = crypto_skcipher_tfm(skcipher);



	if (keylen == DES3_EDE_KEY_SIZE &&

	    __des3_ede_setkey(tmp, &tfm->crt_flags, key, DES3_EDE_KEY_SIZE)) {

		return -EINVAL;

	}



	if (!des_ekey(tmp, key) && (crypto_skcipher_get_flags(skcipher) &

	    CRYPTO_TFM_REQ_FORBID_WEAK_KEYS)) {

		crypto_skcipher_set_flags(skcipher,

					  CRYPTO_TFM_RES_WEAK_KEY);

		return -EINVAL;

	}



	return skcipher_setkey(skcipher, key, keylen, 0);

}



static int xts_skcipher_setkey(struct crypto_skcipher *skcipher, const u8 *key,
@@ -1535,7 +1614,7 @@ static struct caam_skcipher_alg driver_algs[] = { 
				.cra_driver_name = "cbc-aes-caam-qi2",

				.cra_blocksize = AES_BLOCK_SIZE,

			},

			.setkey = skcipher_setkey,

			.setkey = aes_skcipher_setkey,

			.encrypt = skcipher_encrypt,

			.decrypt = skcipher_decrypt,

			.min_keysize = AES_MIN_KEY_SIZE,
@@ -1551,7 +1630,7 @@ static struct caam_skcipher_alg driver_algs[] = { 
				.cra_driver_name = "cbc-3des-caam-qi2",

				.cra_blocksize = DES3_EDE_BLOCK_SIZE,

			},

			.setkey = des3_skcipher_setkey,

			.setkey = des_skcipher_setkey,

			.encrypt = skcipher_encrypt,

			.decrypt = skcipher_decrypt,

			.min_keysize = DES3_EDE_KEY_SIZE,
@@ -1567,7 +1646,7 @@ static struct caam_skcipher_alg driver_algs[] = { 
				.cra_driver_name = "cbc-des-caam-qi2",

				.cra_blocksize = DES_BLOCK_SIZE,

			},

			.setkey = skcipher_setkey,

			.setkey = des_skcipher_setkey,

			.encrypt = skcipher_encrypt,

			.decrypt = skcipher_decrypt,

			.min_keysize = DES_KEY_SIZE,
@@ -1583,7 +1662,7 @@ static struct caam_skcipher_alg driver_algs[] = { 
				.cra_driver_name = "ctr-aes-caam-qi2",

				.cra_blocksize = 1,

			},

			.setkey = skcipher_setkey,

			.setkey = ctr_skcipher_setkey,

			.encrypt = skcipher_encrypt,

			.decrypt = skcipher_decrypt,

			.min_keysize = AES_MIN_KEY_SIZE,
@@ -1601,7 +1680,7 @@ static struct caam_skcipher_alg driver_algs[] = { 
				.cra_driver_name = "rfc3686-ctr-aes-caam-qi2",

				.cra_blocksize = 1,

			},

			.setkey = skcipher_setkey,

			.setkey = rfc3686_skcipher_setkey,

			.encrypt = skcipher_encrypt,

			.decrypt = skcipher_decrypt,

			.min_keysize = AES_MIN_KEY_SIZE +
@@ -1640,7 +1719,7 @@ static struct caam_skcipher_alg driver_algs[] = { 
				.cra_driver_name = "chacha20-caam-qi2",

				.cra_blocksize = 1,

			},

			.setkey = skcipher_setkey,

			.setkey = chacha20_skcipher_setkey,

			.encrypt = skcipher_encrypt,

			.decrypt = skcipher_decrypt,

			.min_keysize = CHACHA_KEY_SIZE,

drivers/crypto/caam/caamhash.c

+12 −0
Original line number Diff line number Diff line
@@ -501,6 +501,11 @@ static int axcbc_setkey(struct crypto_ahash *ahash, const u8 *key, 
	struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash);

	struct device *jrdev = ctx->jrdev;



	if (keylen != AES_KEYSIZE_128) {

		crypto_ahash_set_flags(ahash, CRYPTO_TFM_RES_BAD_KEY_LEN);

		return -EINVAL;

	}



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

	dma_sync_single_for_device(jrdev, ctx->key_dma, keylen, DMA_TO_DEVICE);

	ctx->adata.keylen = keylen;
@@ -515,6 +520,13 @@ static int acmac_setkey(struct crypto_ahash *ahash, const u8 *key, 
			unsigned int keylen)

{

	struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash);

	int err;



	err = aes_check_keylen(keylen);

	if (err) {

		crypto_ahash_set_flags(ahash, CRYPTO_TFM_RES_BAD_KEY_LEN);

		return err;

	}



	/* key is immediate data for all cmac shared descriptors */

	ctx->adata.key_virt = key;

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