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Commit bf10a3ae authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "Use correct endianness for encryption keys"

parents 00c477e0 322b301c

drivers/md/dm-default-key.c

+16 −2
Original line number Diff line number Diff line
@@ -134,13 +134,26 @@ static int default_key_ctr_optional(struct dm_target *ti, 
}



void default_key_adjust_sector_size_and_iv(char **argv, struct dm_target *ti,

					   struct default_key_c **dkc)

					   struct default_key_c **dkc, u8 *raw,

					   u32 size)

{

	struct dm_dev *dev;

	int i;

	union {

		u8 bytes[BLK_CRYPTO_MAX_WRAPPED_KEY_SIZE];

		u32 words[BLK_CRYPTO_MAX_WRAPPED_KEY_SIZE / sizeof(u32)];

	} key_new;



	dev = (*dkc)->dev;



	if (!strcmp(argv[0], "AES-256-XTS")) {

		memcpy(key_new.bytes, raw, size);



		for (i = 0; i < ARRAY_SIZE(key_new.words); i++)

			__cpu_to_be32s(&key_new.words[i]);



		memcpy(raw, key_new.bytes, size);



		if (ti->len & (((*dkc)->sector_size >> SECTOR_SHIFT) - 1))

			(*dkc)->sector_size = SECTOR_SIZE;
@@ -240,7 +253,8 @@ static int default_key_ctr(struct dm_target *ti, unsigned int argc, char **argv) 
			goto bad;

	}



	default_key_adjust_sector_size_and_iv(argv, ti, &dkc);

	default_key_adjust_sector_size_and_iv(argv, ti, &dkc, raw_key,

					      raw_key_size);



	dkc->sector_bits = ilog2(dkc->sector_size);

	if (ti->len & ((dkc->sector_size >> SECTOR_SHIFT) - 1)) {

drivers/soc/qcom/crypto-qti-tz.c

+12 −1
Original line number Diff line number Diff line
@@ -33,6 +33,11 @@ int crypto_qti_program_key(struct crypto_vops_qti_entry *ice_entry, 
	char *tzbuf = NULL;

	struct qtee_shm shm;

	struct scm_desc desc = {0};

	int i;

	union {

		u8 bytes[BLK_CRYPTO_MAX_WRAPPED_KEY_SIZE];

		u32 words[BLK_CRYPTO_MAX_WRAPPED_KEY_SIZE / sizeof(u32)];

	} key_new;



	err = qtee_shmbridge_allocate_shm(key->size, &shm);

	if (err)
@@ -40,7 +45,13 @@ int crypto_qti_program_key(struct crypto_vops_qti_entry *ice_entry, 


	tzbuf = shm.vaddr;



	memcpy(tzbuf, key->raw, key->size);

	memcpy(key_new.bytes, key->raw, key->size);

	if (!key->is_hw_wrapped) {

		for (i = 0; i < ARRAY_SIZE(key_new.words); i++)

			__cpu_to_be32s(&key_new.words[i]);

	}



	memcpy(tzbuf, key_new.bytes, key->size);

	dmac_flush_range(tzbuf, tzbuf + key->size);



	smc_id = TZ_ES_CONFIG_SET_ICE_KEY_CE_TYPE_ID;

fs/crypto/keysetup_v1.c

+11 −1
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ 
#include <keys/user-type.h>

#include <linux/hashtable.h>

#include <linux/scatterlist.h>

#include <linux/bio-crypt-ctx.h>



#include "fscrypt_private.h"
@@ -283,14 +284,23 @@ static int setup_v1_file_key_derived(struct fscrypt_info *ci, 
{

	u8 *derived_key;

	int err;

	int i;

	union {

		u8 bytes[FSCRYPT_MAX_HW_WRAPPED_KEY_SIZE];

		u32 words[FSCRYPT_MAX_HW_WRAPPED_KEY_SIZE / sizeof(u32)];

	} key_new;



	/*Support legacy ice based content encryption mode*/

	if ((fscrypt_policy_contents_mode(&ci->ci_policy) ==

					  FSCRYPT_MODE_PRIVATE) &&

					  fscrypt_using_inline_encryption(ci)) {

		memcpy(key_new.bytes, raw_master_key, ci->ci_mode->keysize);



		for (i = 0; i < ARRAY_SIZE(key_new.words); i++)

			__cpu_to_be32s(&key_new.words[i]);



		err = fscrypt_prepare_inline_crypt_key(&ci->ci_key,

						       raw_master_key,

						       key_new.bytes,

						       ci->ci_mode->keysize,

						       false,

						       ci);