Rename Project to Open5GS

- Change BuildTool to Meson
 - Many BUGS Fixed

lib/crypt/ogs-sha1.h

@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2019 by Sukchan Lee <acetcom@gmail.com>
+ *
+ * This file is part of Open5GS.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#if !defined(OGS_CRYPT_INSIDE) && !defined(OGS_CRYPT_COMPILATION)
+#error "This header cannot be included directly."
+#endif
+
+#ifndef OGS_SHA1_H
+#define OGS_SHA1_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define OGS_SHA1_DIGEST_SIZE (160 / 8)
+#define OGS_SHA1_BLOCK_SIZE  (512 / 8)
+
+typedef struct ogs_sha1_ctx
+{
+    unsigned Message_Digest[5]; /* Message Digest (output)          */
+
+    unsigned Length_Low;        /* Message length in bits           */
+    unsigned Length_High;       /* Message length in bits           */
+
+    unsigned char Message_Block[64]; /* 512-bit message blocks      */
+    int Message_Block_Index;    /* Index into message block array   */
+
+    int Computed;               /* Is the digest computed?          */
+    int Corrupted;              /* Is the message digest corruped?  */
+} ogs_sha1_ctx;
+
+void ogs_sha1_init(ogs_sha1_ctx *ctx);
+void ogs_sha1_update(ogs_sha1_ctx *ctx, const uint8_t *message, uint32_t len);
+void ogs_sha1_final(ogs_sha1_ctx *ctx, uint8_t *digest);
+void ogs_sha1(const uint8_t *message, uint32_t len, uint8_t *digest);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* OGS_SHA1_H */