Commit 025e138e authored by Eric Biggers's avatar Eric Biggers Committed by Mikulas Patocka
Browse files

blk-crypto: export wrapped key functions 



Export blk_crypto_derive_sw_secret(), blk_crypto_import_key(),
blk_crypto_generate_key(), and blk_crypto_prepare_key() so that they can
be used by device-mapper when passing through wrapped key support.

Signed-off-by: default avatarEric Biggers <ebiggers@google.com>
Signed-off-by: default avatarMikulas Patocka <mpatocka@redhat.com>
parent b7c18b17

block/blk-crypto-profile.c

+4 −0
Original line number Diff line number Diff line
@@ -501,6 +501,7 @@ int blk_crypto_derive_sw_secret(struct block_device *bdev, 
	blk_crypto_hw_exit(profile);

	return err;

}

EXPORT_SYMBOL_GPL(blk_crypto_derive_sw_secret);



int blk_crypto_import_key(struct blk_crypto_profile *profile,

			  const u8 *raw_key, size_t raw_key_size,
@@ -520,6 +521,7 @@ int blk_crypto_import_key(struct blk_crypto_profile *profile, 
	blk_crypto_hw_exit(profile);

	return ret;

}

EXPORT_SYMBOL_GPL(blk_crypto_import_key);



int blk_crypto_generate_key(struct blk_crypto_profile *profile,

			    u8 lt_key[BLK_CRYPTO_MAX_HW_WRAPPED_KEY_SIZE])
@@ -537,6 +539,7 @@ int blk_crypto_generate_key(struct blk_crypto_profile *profile, 
	blk_crypto_hw_exit(profile);

	return ret;

}

EXPORT_SYMBOL_GPL(blk_crypto_generate_key);



int blk_crypto_prepare_key(struct blk_crypto_profile *profile,

			   const u8 *lt_key, size_t lt_key_size,
@@ -556,6 +559,7 @@ int blk_crypto_prepare_key(struct blk_crypto_profile *profile, 
	blk_crypto_hw_exit(profile);

	return ret;

}

EXPORT_SYMBOL_GPL(blk_crypto_prepare_key);



/**

 * blk_crypto_intersect_capabilities() - restrict supported crypto capabilities