v3.8.5

algo/argon2/argon2a/ar2/blake2/blake2.h

@@ -0,0 +1,76 @@
+#ifndef PORTABLE_BLAKE2_H
+#define PORTABLE_BLAKE2_H
+
+#include <stddef.h>
+#include <stdint.h>
+#include <limits.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];
+	unsigned buflen;
+	unsigned outlen;
+	uint8_t last_node;
+	uint8_t buf[BLAKE2B_BLOCKBYTES];
+} 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 */
+int ar2_blake2b_init(blake2b_state *S, size_t outlen);
+int ar2_blake2b_init_key(blake2b_state *S, size_t outlen, const void *key,
+					 size_t keylen);
+int ar2_blake2b_init_param(blake2b_state *S, const blake2b_param *P);
+int ar2_blake2b_update(blake2b_state *S, const void *in, size_t inlen);
+void my_blake2b_update(blake2b_state *S, const void *in, size_t inlen);
+int ar2_blake2b_final(blake2b_state *S, void *out, size_t outlen);
+
+/* Simple API */
+int ar2_blake2b(void *out, const void *in, const void *key, size_t keylen);
+
+/* Argon2 Team - Begin Code */
+int ar2_blake2b_long(void *out, const void *in);
+/* Argon2 Team - End Code */
+/* Miouyouyou */
+void ar2_blake2b_too(void *out, const void *in);
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif