diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/ecryptfs.h')
| -rw-r--r-- | ANDROID_3.4.5/include/linux/ecryptfs.h | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/ANDROID_3.4.5/include/linux/ecryptfs.h b/ANDROID_3.4.5/include/linux/ecryptfs.h deleted file mode 100644 index 2224a8c0..00000000 --- a/ANDROID_3.4.5/include/linux/ecryptfs.h +++ /dev/null @@ -1,113 +0,0 @@ -#ifndef _LINUX_ECRYPTFS_H -#define _LINUX_ECRYPTFS_H - -/* Version verification for shared data structures w/ userspace */ -#define ECRYPTFS_VERSION_MAJOR 0x00 -#define ECRYPTFS_VERSION_MINOR 0x04 -#define ECRYPTFS_SUPPORTED_FILE_VERSION 0x03 -/* These flags indicate which features are supported by the kernel - * module; userspace tools such as the mount helper read - * ECRYPTFS_VERSIONING_MASK from a sysfs handle in order to determine - * how to behave. */ -#define ECRYPTFS_VERSIONING_PASSPHRASE 0x00000001 -#define ECRYPTFS_VERSIONING_PUBKEY 0x00000002 -#define ECRYPTFS_VERSIONING_PLAINTEXT_PASSTHROUGH 0x00000004 -#define ECRYPTFS_VERSIONING_POLICY 0x00000008 -#define ECRYPTFS_VERSIONING_XATTR 0x00000010 -#define ECRYPTFS_VERSIONING_MULTKEY 0x00000020 -#define ECRYPTFS_VERSIONING_DEVMISC 0x00000040 -#define ECRYPTFS_VERSIONING_HMAC 0x00000080 -#define ECRYPTFS_VERSIONING_FILENAME_ENCRYPTION 0x00000100 -#define ECRYPTFS_VERSIONING_GCM 0x00000200 -#define ECRYPTFS_VERSIONING_MASK (ECRYPTFS_VERSIONING_PASSPHRASE \ - | ECRYPTFS_VERSIONING_PLAINTEXT_PASSTHROUGH \ - | ECRYPTFS_VERSIONING_PUBKEY \ - | ECRYPTFS_VERSIONING_XATTR \ - | ECRYPTFS_VERSIONING_MULTKEY \ - | ECRYPTFS_VERSIONING_DEVMISC \ - | ECRYPTFS_VERSIONING_FILENAME_ENCRYPTION) -#define ECRYPTFS_MAX_PASSWORD_LENGTH 64 -#define ECRYPTFS_MAX_PASSPHRASE_BYTES ECRYPTFS_MAX_PASSWORD_LENGTH -#define ECRYPTFS_SALT_SIZE 8 -#define ECRYPTFS_SALT_SIZE_HEX (ECRYPTFS_SALT_SIZE*2) -/* The original signature size is only for what is stored on disk; all - * in-memory representations are expanded hex, so it better adapted to - * be passed around or referenced on the command line */ -#define ECRYPTFS_SIG_SIZE 8 -#define ECRYPTFS_SIG_SIZE_HEX (ECRYPTFS_SIG_SIZE*2) -#define ECRYPTFS_PASSWORD_SIG_SIZE ECRYPTFS_SIG_SIZE_HEX -#define ECRYPTFS_MAX_KEY_BYTES 64 -#define ECRYPTFS_MAX_ENCRYPTED_KEY_BYTES 512 -#define ECRYPTFS_FILE_VERSION 0x03 -#define ECRYPTFS_MAX_PKI_NAME_BYTES 16 - -#define RFC2440_CIPHER_DES3_EDE 0x02 -#define RFC2440_CIPHER_CAST_5 0x03 -#define RFC2440_CIPHER_BLOWFISH 0x04 -#define RFC2440_CIPHER_AES_128 0x07 -#define RFC2440_CIPHER_AES_192 0x08 -#define RFC2440_CIPHER_AES_256 0x09 -#define RFC2440_CIPHER_TWOFISH 0x0a -#define RFC2440_CIPHER_CAST_6 0x0b - -#define RFC2440_CIPHER_RSA 0x01 - -/** - * For convenience, we may need to pass around the encrypted session - * key between kernel and userspace because the authentication token - * may not be extractable. For example, the TPM may not release the - * private key, instead requiring the encrypted data and returning the - * decrypted data. - */ -struct ecryptfs_session_key { -#define ECRYPTFS_USERSPACE_SHOULD_TRY_TO_DECRYPT 0x00000001 -#define ECRYPTFS_USERSPACE_SHOULD_TRY_TO_ENCRYPT 0x00000002 -#define ECRYPTFS_CONTAINS_DECRYPTED_KEY 0x00000004 -#define ECRYPTFS_CONTAINS_ENCRYPTED_KEY 0x00000008 - u32 flags; - u32 encrypted_key_size; - u32 decrypted_key_size; - u8 encrypted_key[ECRYPTFS_MAX_ENCRYPTED_KEY_BYTES]; - u8 decrypted_key[ECRYPTFS_MAX_KEY_BYTES]; -}; - -struct ecryptfs_password { - u32 password_bytes; - s32 hash_algo; - u32 hash_iterations; - u32 session_key_encryption_key_bytes; -#define ECRYPTFS_PERSISTENT_PASSWORD 0x01 -#define ECRYPTFS_SESSION_KEY_ENCRYPTION_KEY_SET 0x02 - u32 flags; - /* Iterated-hash concatenation of salt and passphrase */ - u8 session_key_encryption_key[ECRYPTFS_MAX_KEY_BYTES]; - u8 signature[ECRYPTFS_PASSWORD_SIG_SIZE + 1]; - /* Always in expanded hex */ - u8 salt[ECRYPTFS_SALT_SIZE]; -}; - -enum ecryptfs_token_types {ECRYPTFS_PASSWORD, ECRYPTFS_PRIVATE_KEY}; - -struct ecryptfs_private_key { - u32 key_size; - u32 data_len; - u8 signature[ECRYPTFS_PASSWORD_SIG_SIZE + 1]; - char pki_type[ECRYPTFS_MAX_PKI_NAME_BYTES + 1]; - u8 data[]; -}; - -/* May be a password or a private key */ -struct ecryptfs_auth_tok { - u16 version; /* 8-bit major and 8-bit minor */ - u16 token_type; -#define ECRYPTFS_ENCRYPT_ONLY 0x00000001 - u32 flags; - struct ecryptfs_session_key session_key; - u8 reserved[32]; - union { - struct ecryptfs_password password; - struct ecryptfs_private_key private_key; - } token; -} __attribute__ ((packed)); - -#endif /* _LINUX_ECRYPTFS_H */ |