v2.2.2

vendor/zuptsdk/include/zsdk_blake2b.h

@@ -0,0 +1,46 @@
+/*
+ * BLAKE2b (RFC 7693)
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+#ifndef ZSDK_BLAKE2B_H
+#define ZSDK_BLAKE2B_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stddef.h>
+#include <stdint.h>
+
+#define ZSDK_BLAKE2B_BLOCKBYTES 128
+#define ZSDK_BLAKE2B_OUTBYTES   64
+
+typedef struct {
+    uint64_t h[8];
+    uint64_t t[2];
+    uint64_t f[2];
+    uint8_t  buf[ZSDK_BLAKE2B_BLOCKBYTES];
+    size_t   buflen;
+    size_t   outlen;
+} zsdk_blake2b_state;
+
+int  zsdk_blake2b_init(zsdk_blake2b_state *s, size_t outlen);
+int  zsdk_blake2b_init_key(zsdk_blake2b_state *s, size_t outlen,
+                           const void *key, size_t keylen);
+int  zsdk_blake2b_update(zsdk_blake2b_state *s, const void *in, size_t inlen);
+int  zsdk_blake2b_final(zsdk_blake2b_state *s, void *out, size_t outlen);
+
+/* One-shot. */
+int  zsdk_blake2b(void *out, size_t outlen,
+                  const void *in, size_t inlen,
+                  const void *key, size_t keylen);
+
+/* Argon2's "long hash" H' producing arbitrary length output. */
+int  zsdk_blake2b_long(uint8_t *out, size_t outlen,
+                       const uint8_t *in, size_t inlen);
+
+
+#ifdef __cplusplus
+}
+#endif
+#endif