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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 00:31:19 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 00:31:19 +0000
commit6e33fee6f4a7e2041dd276995b402ca036fcab14 (patch)
tree85be5c41f2715d7d4d24cfa220197f1e2c778259 /lib/crypto_backend/argon2/blake2/blake2.h
parentInitial commit. (diff)
downloadcryptsetup-6e33fee6f4a7e2041dd276995b402ca036fcab14.tar.xz
cryptsetup-6e33fee6f4a7e2041dd276995b402ca036fcab14.zip
Adding upstream version 2:2.1.0.upstream/2%2.1.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'lib/crypto_backend/argon2/blake2/blake2.h')
-rw-r--r--lib/crypto_backend/argon2/blake2/blake2.h89
1 files changed, 89 insertions, 0 deletions
diff --git a/lib/crypto_backend/argon2/blake2/blake2.h b/lib/crypto_backend/argon2/blake2/blake2.h
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+++ b/lib/crypto_backend/argon2/blake2/blake2.h
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+/*
+ * Argon2 reference source code package - reference C implementations
+ *
+ * Copyright 2015
+ * Daniel Dinu, Dmitry Khovratovich, Jean-Philippe Aumasson, and Samuel Neves
+ *
+ * You may use this work under the terms of a Creative Commons CC0 1.0
+ * License/Waiver or the Apache Public License 2.0, at your option. The terms of
+ * these licenses can be found at:
+ *
+ * - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0
+ * - Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * You should have received a copy of both of these licenses along with this
+ * software. If not, they may be obtained at the above URLs.
+ */
+
+#ifndef PORTABLE_BLAKE2_H
+#define PORTABLE_BLAKE2_H
+
+#include "../argon2.h"
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+enum blake2b_constant {
+ BLAKE2B_BLOCKBYTES = 128,
+ BLAKE2B_OUTBYTES = 64,
+ BLAKE2B_KEYBYTES = 64,
+ BLAKE2B_SALTBYTES = 16,
+ BLAKE2B_PERSONALBYTES = 16
+};
+
+#pragma pack(push, 1)
+typedef struct __blake2b_param {
+ uint8_t digest_length; /* 1 */
+ uint8_t key_length; /* 2 */
+ uint8_t fanout; /* 3 */
+ uint8_t depth; /* 4 */
+ uint32_t leaf_length; /* 8 */
+ uint64_t node_offset; /* 16 */
+ uint8_t node_depth; /* 17 */
+ uint8_t inner_length; /* 18 */
+ uint8_t reserved[14]; /* 32 */
+ uint8_t salt[BLAKE2B_SALTBYTES]; /* 48 */
+ uint8_t personal[BLAKE2B_PERSONALBYTES]; /* 64 */
+} blake2b_param;
+#pragma pack(pop)
+
+typedef struct __blake2b_state {
+ uint64_t h[8];
+ uint64_t t[2];
+ uint64_t f[2];
+ uint8_t buf[BLAKE2B_BLOCKBYTES];
+ unsigned buflen;
+ unsigned outlen;
+ uint8_t last_node;
+} blake2b_state;
+
+/* Ensure param structs have not been wrongly padded */
+/* Poor man's static_assert */
+enum {
+ blake2_size_check_0 = 1 / !!(CHAR_BIT == 8),
+ blake2_size_check_2 =
+ 1 / !!(sizeof(blake2b_param) == sizeof(uint64_t) * CHAR_BIT)
+};
+
+/* Streaming API */
+ARGON2_LOCAL int blake2b_init(blake2b_state *S, size_t outlen);
+ARGON2_LOCAL int blake2b_init_key(blake2b_state *S, size_t outlen, const void *key,
+ size_t keylen);
+ARGON2_LOCAL int blake2b_init_param(blake2b_state *S, const blake2b_param *P);
+ARGON2_LOCAL int blake2b_update(blake2b_state *S, const void *in, size_t inlen);
+ARGON2_LOCAL int blake2b_final(blake2b_state *S, void *out, size_t outlen);
+
+/* Simple API */
+ARGON2_LOCAL int blake2b(void *out, size_t outlen, const void *in, size_t inlen,
+ const void *key, size_t keylen);
+
+/* Argon2 Team - Begin Code */
+ARGON2_LOCAL int blake2b_long(void *out, size_t outlen, const void *in, size_t inlen);
+/* Argon2 Team - End Code */
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif