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0b04990a5d
A port of the Illumos Crypto Framework to a Linux kernel module (found in module/icp). This is needed to do the actual encryption work. We cannot use the Linux kernel's built in crypto api because it is only exported to GPL-licensed modules. Having the ICP also means the crypto code can run on any of the other kernels under OpenZFS. I ended up porting over most of the internals of the framework, which means that porting over other API calls (if we need them) should be fairly easy. Specifically, I have ported over the API functions related to encryption, digests, macs, and crypto templates. The ICP is able to use assembly-accelerated encryption on amd64 machines and AES-NI instructions on Intel chips that support it. There are place-holder directories for similar assembly optimizations for other architectures (although they have not been written). Signed-off-by: Tom Caputi <tcaputi@datto.com> Signed-off-by: Tony Hutter <hutter2@llnl.gov> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Issue #4329
138 lines
3.8 KiB
C
138 lines
3.8 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
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* Use is subject to license terms.
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*/
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#ifndef _SYS_CRYPTO_ELFSIGN_H
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#define _SYS_CRYPTO_ELFSIGN_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Consolidation Private Interface for elfsign/libpkcs11/kcfd
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*/
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#include <sys/zfs_context.h>
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/*
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* Project Private structures and types used for communication between kcfd
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* and KCF over the door.
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*/
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typedef enum ELFsign_status_e {
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ELFSIGN_UNKNOWN,
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ELFSIGN_SUCCESS,
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ELFSIGN_FAILED,
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ELFSIGN_NOTSIGNED,
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ELFSIGN_INVALID_CERTPATH,
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ELFSIGN_INVALID_ELFOBJ,
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ELFSIGN_RESTRICTED
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} ELFsign_status_t;
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#define KCF_KCFD_VERSION1 1
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#define SIG_MAX_LENGTH 1024
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#define ELF_SIGNATURE_SECTION ".SUNW_signature"
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typedef struct kcf_door_arg_s {
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short da_version;
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boolean_t da_iskernel;
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union {
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char filename[MAXPATHLEN]; /* For request */
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struct kcf_door_result_s { /* For response */
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ELFsign_status_t status;
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uint32_t siglen;
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uchar_t signature[1];
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} result;
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} da_u;
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} kcf_door_arg_t;
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typedef uint32_t filesig_vers_t;
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/*
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* File Signature Structure
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* Applicable to ELF and other file formats
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*/
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struct filesignatures {
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uint32_t filesig_cnt; /* count of signatures */
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uint32_t filesig_pad; /* unused */
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union {
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char filesig_data[1];
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struct filesig { /* one of these for each signature */
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uint32_t filesig_size;
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filesig_vers_t filesig_version;
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union {
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struct filesig_version1 {
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uint32_t filesig_v1_dnsize;
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uint32_t filesig_v1_sigsize;
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uint32_t filesig_v1_oidsize;
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char filesig_v1_data[1];
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} filesig_v1;
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struct filesig_version3 {
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uint64_t filesig_v3_time;
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uint32_t filesig_v3_dnsize;
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uint32_t filesig_v3_sigsize;
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uint32_t filesig_v3_oidsize;
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char filesig_v3_data[1];
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} filesig_v3;
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} _u2;
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} filesig_sig;
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uint64_t filesig_align;
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} _u1;
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};
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#define filesig_sig _u1.filesig_sig
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#define filesig_v1_dnsize _u2.filesig_v1.filesig_v1_dnsize
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#define filesig_v1_sigsize _u2.filesig_v1.filesig_v1_sigsize
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#define filesig_v1_oidsize _u2.filesig_v1.filesig_v1_oidsize
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#define filesig_v1_data _u2.filesig_v1.filesig_v1_data
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#define filesig_v3_time _u2.filesig_v3.filesig_v3_time
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#define filesig_v3_dnsize _u2.filesig_v3.filesig_v3_dnsize
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#define filesig_v3_sigsize _u2.filesig_v3.filesig_v3_sigsize
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#define filesig_v3_oidsize _u2.filesig_v3.filesig_v3_oidsize
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#define filesig_v3_data _u2.filesig_v3.filesig_v3_data
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#define filesig_ALIGN(s) (((s) + sizeof (uint64_t) - 1) & \
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(-sizeof (uint64_t)))
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#define filesig_next(ptr) (struct filesig *)((void *)((char *)(ptr) + \
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filesig_ALIGN((ptr)->filesig_size)))
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#define FILESIG_UNKNOWN 0 /* unrecognized version */
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#define FILESIG_VERSION1 1 /* version1, all but sig section */
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#define FILESIG_VERSION2 2 /* version1 format, SHF_ALLOC only */
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#define FILESIG_VERSION3 3 /* version3, all but sig section */
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#define FILESIG_VERSION4 4 /* version3 format, SHF_ALLOC only */
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#define _PATH_KCFD_DOOR "/etc/svc/volatile/kcfd_door"
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SYS_CRYPTO_ELFSIGN_H */
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