essiv.c (b9f76dddb1f9f70e008b982381bbc9a67c9b8c66) essiv.c (cd900f0cacd7601dabdd028e8cbdbf2a7041cee2)
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * ESSIV skcipher and aead template for block encryption
4 *
5 * This template encapsulates the ESSIV IV generation algorithm used by
6 * dm-crypt and fscrypt, which converts the initial vector for the skcipher
7 * used for block encryption, by encrypting it using the hash of the
8 * skcipher key as encryption key. Usually, the input IV is a 64-bit sector

--- 486 unchanged lines hidden (view full) ---

495 sizeof(*ictx), GFP_KERNEL);
496 if (!aead_inst)
497 return -ENOMEM;
498 inst = aead_crypto_instance(aead_inst);
499 base = &aead_inst->alg.base;
500 ictx = crypto_instance_ctx(inst);
501
502 /* AEAD cipher, e.g., "authenc(hmac(sha256),cbc(aes))" */
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * ESSIV skcipher and aead template for block encryption
4 *
5 * This template encapsulates the ESSIV IV generation algorithm used by
6 * dm-crypt and fscrypt, which converts the initial vector for the skcipher
7 * used for block encryption, by encrypting it using the hash of the
8 * skcipher key as encryption key. Usually, the input IV is a 64-bit sector

--- 486 unchanged lines hidden (view full) ---

495 sizeof(*ictx), GFP_KERNEL);
496 if (!aead_inst)
497 return -ENOMEM;
498 inst = aead_crypto_instance(aead_inst);
499 base = &aead_inst->alg.base;
500 ictx = crypto_instance_ctx(inst);
501
502 /* AEAD cipher, e.g., "authenc(hmac(sha256),cbc(aes))" */
503 crypto_set_aead_spawn(&ictx->u.aead_spawn, inst);
504 err = crypto_grab_aead(&ictx->u.aead_spawn,
503 err = crypto_grab_aead(&ictx->u.aead_spawn, inst,
505 inner_cipher_name, 0, mask);
506 if (err)
507 goto out_free_inst;
508 aead_alg = crypto_spawn_aead_alg(&ictx->u.aead_spawn);
509 block_base = &aead_alg->base;
510 if (!strstarts(block_base->cra_name, "authenc(")) {
511 pr_warn("Only authenc() type AEADs are supported by ESSIV\n");
512 err = -EINVAL;

--- 131 unchanged lines hidden --- 		504 inner_cipher_name, 0, mask);
505 if (err)
506 goto out_free_inst;
507 aead_alg = crypto_spawn_aead_alg(&ictx->u.aead_spawn);
508 block_base = &aead_alg->base;
509 if (!strstarts(block_base->cra_name, "authenc(")) {
510 pr_warn("Only authenc() type AEADs are supported by ESSIV\n");
511 err = -EINVAL;

--- 131 unchanged lines hidden ---