ZFS crypto support.

	* Makefile.util.def (libgrubmods): Add grub-core/fs/zfs/zfscrypt.c.
	* grub-core/Makefile.core.def (zfscrypt): New module.
	* grub-core/fs/zfs/zfs.c (subvolume): New structure.
	(grub_zfs_data): Replace mdn with subvol. Put case_insensitivity inside
	it. All users updated.
	(grub_zfs_decrypt): New var.
	(grub_zfs_load_key): Likewise.
	(zio_checksum_functions): Add SHA256+MAC.
	(zio_checksum_verify): Handle incomplete comparison due to MAC.
	(zio_read): Handle encrypted blocks.
	(zap_verify): Remove incorrect check.
	(fzap_iterate): Handle non-standard fzap.
	(zap_iterate): Likewise.
	(zap_iterate_u64): New function.
	(dnode_get_fullpath): Load keys.
	* grub-core/fs/zfs/zfscrypt.c: New file.
	* grub-core/lib/crypto.c (grub_crypto_cipher_close): Removed.
	(grub_crypto_ecb_encrypt): Make input const.
	* include/grub/crypto.h (grub_crypto_cipher_close): Inline.
	(grub_crypto_ecb_encrypt): Make input const.
	(GRUB_CIPHER_AES): New macro.
	* include/grub/zfs/dmu.h (dmu_object_type): Add DMU_OT_DSL_KEYCHAIN.
	* include/grub/zfs/dsl_dir.h (dsl_dir_phys): Add keychain.
	* include/grub/zfs/spa.h (grub_zfs_endian): Moved from here ...
	* include/grub/zfs/zfs.h (grub_zfs_endian): ... here. Added GURB_ZFS_
	prefix. All users updated.
	(grub_zfs_add_key): New proto.
	(grub_zfs_decrypt): Likewise.
	(grub_zfs_load_key): Likewise.
	* include/grub/zfs/zio.h (zio_checksum): Add SHA256+MAC.
	* util/grub-fstest.c (options): Add -K option.
	(argp_parser): Likewise.

diff --cc ChangeLog
index 9e9f315f457e94839f5089778af8cadfc3a2d7d4,9e9f315f457e94839f5089778af8cadfc3a2d7d4..89112679272ed3b8d331516e7d352d82d3c0e209
--- 1/ChangeLog
--- 2/ChangeLog
+++ b/ChangeLog
@@@ -1,3 -1,3 +1,40 @@@
++2011-11-06  Vladimir Serbinenko  <phcoder@gmail.com>
++
++      ZFS crypto support.
++
++      * Makefile.util.def (libgrubmods): Add grub-core/fs/zfs/zfscrypt.c.
++      * grub-core/Makefile.core.def (zfscrypt): New module.
++      * grub-core/fs/zfs/zfs.c (subvolume): New structure.
++      (grub_zfs_data): Replace mdn with subvol. Put case_insensitivity inside
++      it. All users updated.
++      (grub_zfs_decrypt): New var.
++      (grub_zfs_load_key): Likewise.
++      (zio_checksum_functions): Add SHA256+MAC.
++      (zio_checksum_verify): Handle incomplete comparison due to MAC.
++      (zio_read): Handle encrypted blocks.
++      (zap_verify): Remove incorrect check.
++      (fzap_iterate): Handle non-standard fzap.
++      (zap_iterate): Likewise.
++      (zap_iterate_u64): New function.
++      (dnode_get_fullpath): Load keys.
++      * grub-core/fs/zfs/zfscrypt.c: New file.
++      * grub-core/lib/crypto.c (grub_crypto_cipher_close): Removed.
++      (grub_crypto_ecb_encrypt): Make input const.
++      * include/grub/crypto.h (grub_crypto_cipher_close): Inline.
++      (grub_crypto_ecb_encrypt): Make input const.
++      (GRUB_CIPHER_AES): New macro.
++      * include/grub/zfs/dmu.h (dmu_object_type): Add DMU_OT_DSL_KEYCHAIN.
++      * include/grub/zfs/dsl_dir.h (dsl_dir_phys): Add keychain.
++      * include/grub/zfs/spa.h (grub_zfs_endian): Moved from here ...
++      * include/grub/zfs/zfs.h (grub_zfs_endian): ... here. Added GURB_ZFS_
++      prefix. All users updated.
++      (grub_zfs_add_key): New proto.
++      (grub_zfs_decrypt): Likewise.
++      (grub_zfs_load_key): Likewise.
++      * include/grub/zfs/zio.h (zio_checksum): Add SHA256+MAC.
++      * util/grub-fstest.c (options): Add -K option.
++      (argp_parser): Likewise.
++
  2011-11-05  Vladimir Serbinenko  <phcoder@gmail.com>
  
        Support zle compression on ZFS.