UBUNTU: SAUCE: (noup) Update spl to 0.7.3-1ubuntu1, zfs to 0.7.3-1ubuntu1

[mirror_ubuntu-bionic-kernel.git] / zfs / include / sys / sha2.h

diff --git a/zfs/include/sys/sha2.h b/zfs/include/sys/sha2.h
new file mode 100644 (file)
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+++ b/zfs/include/sys/sha2.h
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+/*
+ * 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
+
+#ifdef  _KERNEL
+#include <sys/types.h>         /* for uint_* */
+#else
+#include <stdint.h>
+#endif
+
+#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 SHA2Init(uint64_t mech, SHA2_CTX *);
+
+extern void SHA2Update(SHA2_CTX *, const void *, size_t);
+
+extern void SHA2Final(void *, SHA2_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 *);
+
+#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 */