crypto.c (b88629060b03adc58639f818fe0968bf5fe81b5d) crypto.c (c8161f64ccdcc3ac05c7bbfebc031e7ad5ca6412)
1/**
2 * eCryptfs: Linux filesystem encryption layer
3 *
4 * Copyright (C) 1997-2004 Erez Zadok
5 * Copyright (C) 2001-2004 Stony Brook University
6 * Copyright (C) 2004-2007 International Business Machines Corp.
7 * Author(s): Michael A. Halcrow <mahalcro@us.ibm.com>
8 * Michael C. Thompson <mcthomps@us.ibm.com>

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794 if (crypt_stat->tfm) {
795 rc = 0;
796 goto out;
797 }
798 mutex_lock(&crypt_stat->cs_tfm_mutex);
799 rc = ecryptfs_crypto_api_algify_cipher_name(&full_alg_name,
800 crypt_stat->cipher, "cbc");
801 if (rc)
1/**
2 * eCryptfs: Linux filesystem encryption layer
3 *
4 * Copyright (C) 1997-2004 Erez Zadok
5 * Copyright (C) 2001-2004 Stony Brook University
6 * Copyright (C) 2004-2007 International Business Machines Corp.
7 * Author(s): Michael A. Halcrow <mahalcro@us.ibm.com>
8 * Michael C. Thompson <mcthomps@us.ibm.com>

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

794 if (crypt_stat->tfm) {
795 rc = 0;
796 goto out;
797 }
798 mutex_lock(&crypt_stat->cs_tfm_mutex);
799 rc = ecryptfs_crypto_api_algify_cipher_name(&full_alg_name,
800 crypt_stat->cipher, "cbc");
801 if (rc)
802 goto out;
802 goto out_unlock;
803 crypt_stat->tfm = crypto_alloc_blkcipher(full_alg_name, 0,
804 CRYPTO_ALG_ASYNC);
805 kfree(full_alg_name);
806 if (IS_ERR(crypt_stat->tfm)) {
807 rc = PTR_ERR(crypt_stat->tfm);
808 ecryptfs_printk(KERN_ERR, "cryptfs: init_crypt_ctx(): "
809 "Error initializing cipher [%s]\n",
810 crypt_stat->cipher);
803 crypt_stat->tfm = crypto_alloc_blkcipher(full_alg_name, 0,
804 CRYPTO_ALG_ASYNC);
805 kfree(full_alg_name);
806 if (IS_ERR(crypt_stat->tfm)) {
807 rc = PTR_ERR(crypt_stat->tfm);
808 ecryptfs_printk(KERN_ERR, "cryptfs: init_crypt_ctx(): "
809 "Error initializing cipher [%s]\n",
810 crypt_stat->cipher);
811 mutex_unlock(&crypt_stat->cs_tfm_mutex);
812 goto out;
811 goto out_unlock;
813 }
814 crypto_blkcipher_set_flags(crypt_stat->tfm, CRYPTO_TFM_REQ_WEAK_KEY);
812 }
813 crypto_blkcipher_set_flags(crypt_stat->tfm, CRYPTO_TFM_REQ_WEAK_KEY);
815 mutex_unlock(&crypt_stat->cs_tfm_mutex);
816 rc = 0;
814 rc = 0;
815out_unlock:
816 mutex_unlock(&crypt_stat->cs_tfm_mutex);
817out:
818 return rc;
819}
820
821static void set_extent_mask_and_shift(struct ecryptfs_crypt_stat *crypt_stat)
822{
823 int extent_size_tmp;
824

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818 return rc;
819}
820
821static void set_extent_mask_and_shift(struct ecryptfs_crypt_stat *crypt_stat)
822{
823 int extent_size_tmp;
824

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