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author | Michael Halcrow <mhalcrow@google.com> | 2015-04-12 04:56:17 (GMT) |
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committer | Theodore Ts'o <tytso@mit.edu> | 2015-04-12 04:56:17 (GMT) |
commit | d5d0e8c7203a41c01ba05f4e053e16a94ce3c2e1 (patch) | |
tree | 0d14b2319e623a924126ca4cd7da5cca09030f34 /fs/ext4/crypto_policy.c | |
parent | c9c7429c2e486f375bddd0c338cc3ad366123717 (diff) | |
download | linux-d5d0e8c7203a41c01ba05f4e053e16a94ce3c2e1.tar.xz |
ext4 crypto: filename encryption facilities
Signed-off-by: Uday Savagaonkar <savagaon@google.com>
Signed-off-by: Ildar Muslukhov <ildarm@google.com>
Signed-off-by: Michael Halcrow <mhalcrow@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/crypto_policy.c')
-rw-r--r-- | fs/ext4/crypto_policy.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/ext4/crypto_policy.c b/fs/ext4/crypto_policy.c index a4bf762..749ed6e 100644 --- a/fs/ext4/crypto_policy.c +++ b/fs/ext4/crypto_policy.c @@ -59,6 +59,13 @@ static int ext4_create_encryption_context_from_policy( res = -EINVAL; goto out; } + if (!ext4_valid_filenames_enc_mode(policy->filenames_encryption_mode)) { + printk(KERN_WARNING + "%s: Invalid filenames encryption mode %d\n", __func__, + policy->filenames_encryption_mode); + res = -EINVAL; + goto out; + } ctx.contents_encryption_mode = policy->contents_encryption_mode; ctx.filenames_encryption_mode = policy->filenames_encryption_mode; BUILD_BUG_ON(sizeof(ctx.nonce) != EXT4_KEY_DERIVATION_NONCE_SIZE); |