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-rw-r--r--lib/libspl/include/sys/Makefile.am1
-rw-r--r--lib/libspl/include/sys/sha2.h151
2 files changed, 152 insertions, 0 deletions
diff --git a/lib/libspl/include/sys/Makefile.am b/lib/libspl/include/sys/Makefile.am
index 6855a39d1..d84ed1ec4 100644
--- a/lib/libspl/include/sys/Makefile.am
+++ b/lib/libspl/include/sys/Makefile.am
@@ -26,6 +26,7 @@ libspl_HEADERS = \
$(top_srcdir)/lib/libspl/include/sys/poll.h \
$(top_srcdir)/lib/libspl/include/sys/priv.h \
$(top_srcdir)/lib/libspl/include/sys/processor.h \
+ $(top_srcdir)/lib/libspl/include/sys/sha2.h \
$(top_srcdir)/lib/libspl/include/sys/simd.h \
$(top_srcdir)/lib/libspl/include/sys/stack.h \
$(top_srcdir)/lib/libspl/include/sys/stdtypes.h \
diff --git a/lib/libspl/include/sys/sha2.h b/lib/libspl/include/sys/sha2.h
new file mode 100644
index 000000000..e2f66d225
--- /dev/null
+++ b/lib/libspl/include/sys/sha2.h
@@ -0,0 +1,151 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
+ * Use is subject to license terms.
+ */
+/* Copyright 2013 Saso Kiselkov. All rights reserved. */
+
+#ifndef _SYS_SHA2_H
+#define _SYS_SHA2_H
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define SHA2_HMAC_MIN_KEY_LEN 1 /* SHA2-HMAC min key length in bytes */
+#define SHA2_HMAC_MAX_KEY_LEN INT_MAX /* SHA2-HMAC max key length in bytes */
+
+#define SHA256_DIGEST_LENGTH 32 /* SHA256 digest length in bytes */
+#define SHA384_DIGEST_LENGTH 48 /* SHA384 digest length in bytes */
+#define SHA512_DIGEST_LENGTH 64 /* SHA512 digest length in bytes */
+
+/* Truncated versions of SHA-512 according to FIPS-180-4, section 5.3.6 */
+#define SHA512_224_DIGEST_LENGTH 28 /* SHA512/224 digest length */
+#define SHA512_256_DIGEST_LENGTH 32 /* SHA512/256 digest length */
+
+#define SHA256_HMAC_BLOCK_SIZE 64 /* SHA256-HMAC block size */
+#define SHA512_HMAC_BLOCK_SIZE 128 /* SHA512-HMAC block size */
+
+#define SHA256 0
+#define SHA256_HMAC 1
+#define SHA256_HMAC_GEN 2
+#define SHA384 3
+#define SHA384_HMAC 4
+#define SHA384_HMAC_GEN 5
+#define SHA512 6
+#define SHA512_HMAC 7
+#define SHA512_HMAC_GEN 8
+#define SHA512_224 9
+#define SHA512_256 10
+
+/*
+ * SHA2 context.
+ * The contents of this structure are a private interface between the
+ * Init/Update/Final calls of the functions defined below.
+ * Callers must never attempt to read or write any of the fields
+ * in this structure directly.
+ */
+typedef struct {
+ uint32_t algotype; /* Algorithm Type */
+
+ /* state (ABCDEFGH) */
+ union {
+ uint32_t s32[8]; /* for SHA256 */
+ uint64_t s64[8]; /* for SHA384/512 */
+ } state;
+ /* number of bits */
+ union {
+ uint32_t c32[2]; /* for SHA256 , modulo 2^64 */
+ uint64_t c64[2]; /* for SHA384/512, modulo 2^128 */
+ } count;
+ union {
+ uint8_t buf8[128]; /* undigested input */
+ uint32_t buf32[32]; /* realigned input */
+ uint64_t buf64[16]; /* realigned input */
+ } buf_un;
+} SHA2_CTX;
+
+typedef SHA2_CTX SHA256_CTX;
+typedef SHA2_CTX SHA384_CTX;
+typedef SHA2_CTX SHA512_CTX;
+
+extern void SHA256Init(SHA256_CTX *);
+
+extern void SHA256Update(SHA256_CTX *, const void *, size_t);
+
+extern void SHA256Final(void *, SHA256_CTX *);
+
+extern void SHA384Init(SHA384_CTX *);
+
+extern void SHA384Update(SHA384_CTX *, const void *, size_t);
+
+extern void SHA384Final(void *, SHA384_CTX *);
+
+extern void SHA512Init(SHA512_CTX *);
+
+extern void SHA512Update(SHA512_CTX *, const void *, size_t);
+
+extern void SHA512Final(void *, SHA512_CTX *);
+
+extern void SHA2Init(uint64_t mech, SHA2_CTX *);
+
+extern void SHA2Update(SHA2_CTX *, const void *, size_t);
+
+extern void SHA2Final(void *, SHA2_CTX *);
+
+#ifdef _SHA2_IMPL
+/*
+ * The following types/functions are all private to the implementation
+ * of the SHA2 functions and must not be used by consumers of the interface
+ */
+
+/*
+ * List of support mechanisms in this module.
+ *
+ * It is important to note that in the module, division or modulus calculations
+ * are used on the enumerated type to determine which mechanism is being used;
+ * therefore, changing the order or additional mechanisms should be done
+ * carefully
+ */
+typedef enum sha2_mech_type {
+ SHA256_MECH_INFO_TYPE, /* SUN_CKM_SHA256 */
+ SHA256_HMAC_MECH_INFO_TYPE, /* SUN_CKM_SHA256_HMAC */
+ SHA256_HMAC_GEN_MECH_INFO_TYPE, /* SUN_CKM_SHA256_HMAC_GENERAL */
+ SHA384_MECH_INFO_TYPE, /* SUN_CKM_SHA384 */
+ SHA384_HMAC_MECH_INFO_TYPE, /* SUN_CKM_SHA384_HMAC */
+ SHA384_HMAC_GEN_MECH_INFO_TYPE, /* SUN_CKM_SHA384_HMAC_GENERAL */
+ SHA512_MECH_INFO_TYPE, /* SUN_CKM_SHA512 */
+ SHA512_HMAC_MECH_INFO_TYPE, /* SUN_CKM_SHA512_HMAC */
+ SHA512_HMAC_GEN_MECH_INFO_TYPE, /* SUN_CKM_SHA512_HMAC_GENERAL */
+ SHA512_224_MECH_INFO_TYPE, /* SUN_CKM_SHA512_224 */
+ SHA512_256_MECH_INFO_TYPE /* SUN_CKM_SHA512_256 */
+} sha2_mech_type_t;
+
+#endif /* _SHA2_IMPL */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_SHA2_H */