From 6399892bf2c53fc3701438c752718638baff8e27 Mon Sep 17 00:00:00 2001
From: Marvin W <git@larma.de>
Date: Fri, 14 May 2021 19:26:05 +0200
Subject: Move crypto-vala to shared library

---
 plugins/crypto-vala/src/srtp.vala | 122 --------------------------------------
 1 file changed, 122 deletions(-)
 delete mode 100644 plugins/crypto-vala/src/srtp.vala

(limited to 'plugins/crypto-vala/src/srtp.vala')

diff --git a/plugins/crypto-vala/src/srtp.vala b/plugins/crypto-vala/src/srtp.vala
deleted file mode 100644
index 493afdb0..00000000
--- a/plugins/crypto-vala/src/srtp.vala
+++ /dev/null
@@ -1,122 +0,0 @@
-using Srtp;
-
-public class Crypto.Srtp {
-    public const string AES_CM_128_HMAC_SHA1_80 = "AES_CM_128_HMAC_SHA1_80";
-    public const string AES_CM_128_HMAC_SHA1_32 = "AES_CM_128_HMAC_SHA1_32";
-    public const string F8_128_HMAC_SHA1_80 = "F8_128_HMAC_SHA1_80";
-
-    public class Session {
-        public bool has_encrypt { get; private set; default = false; }
-        public bool has_decrypt { get; private set; default = false; }
-
-        private Context encrypt_context;
-        private Context decrypt_context;
-
-        static construct {
-            init();
-            install_log_handler(log);
-        }
-
-        private static void log(LogLevel level, string msg) {
-            print(@"SRTP[$level]: $msg\n");
-        }
-
-        public Session() {
-            Context.create(out encrypt_context, null);
-            Context.create(out decrypt_context, null);
-        }
-
-        public uint8[] encrypt_rtp(uint8[] data) throws Error {
-            uint8[] buf = new uint8[data.length + MAX_TRAILER_LEN];
-            Memory.copy(buf, data, data.length);
-            int buf_use = data.length;
-            ErrorStatus res = encrypt_context.protect(buf, ref buf_use);
-            if (res != ErrorStatus.ok) {
-                throw new Error.UNKNOWN(@"SRTP encrypt failed: $res");
-            }
-            uint8[] ret = new uint8[buf_use];
-            GLib.Memory.copy(ret, buf, buf_use);
-            return ret;
-        }
-
-        public uint8[] decrypt_rtp(uint8[] data) throws Error {
-            uint8[] buf = new uint8[data.length];
-            Memory.copy(buf, data, data.length);
-            int buf_use = data.length;
-            ErrorStatus res = decrypt_context.unprotect(buf, ref buf_use);
-            switch (res) {
-                case ErrorStatus.auth_fail:
-                    throw new Error.AUTHENTICATION_FAILED("SRTP packet failed the message authentication check");
-                case ErrorStatus.ok:
-                    break;
-                default:
-                    throw new Error.UNKNOWN(@"SRTP decrypt failed: $res");
-            }
-            uint8[] ret = new uint8[buf_use];
-            GLib.Memory.copy(ret, buf, buf_use);
-            return ret;
-        }
-
-        public uint8[] encrypt_rtcp(uint8[] data) throws Error {
-            uint8[] buf = new uint8[data.length + MAX_TRAILER_LEN + 4];
-            Memory.copy(buf, data, data.length);
-            int buf_use = data.length;
-            ErrorStatus res = encrypt_context.protect_rtcp(buf, ref buf_use);
-            if (res != ErrorStatus.ok) {
-                throw new Error.UNKNOWN(@"SRTCP encrypt failed: $res");
-            }
-            uint8[] ret = new uint8[buf_use];
-            GLib.Memory.copy(ret, buf, buf_use);
-            return ret;
-        }
-
-        public uint8[] decrypt_rtcp(uint8[] data) throws Error {
-            uint8[] buf = new uint8[data.length];
-            Memory.copy(buf, data, data.length);
-            int buf_use = data.length;
-            ErrorStatus res = decrypt_context.unprotect_rtcp(buf, ref buf_use);
-            switch (res) {
-                case ErrorStatus.auth_fail:
-                    throw new Error.AUTHENTICATION_FAILED("SRTCP packet failed the message authentication check");
-                case ErrorStatus.ok:
-                    break;
-                default:
-                    throw new Error.UNKNOWN(@"SRTP decrypt failed: $res");
-            }
-            uint8[] ret = new uint8[buf_use];
-            GLib.Memory.copy(ret, buf, buf_use);
-            return ret;
-        }
-
-        private Policy create_policy(string profile) {
-            Policy policy = Policy();
-            switch (profile) {
-                case AES_CM_128_HMAC_SHA1_80:
-                    policy.rtp.set_aes_cm_128_hmac_sha1_80();
-                    policy.rtcp.set_aes_cm_128_hmac_sha1_80();
-                    break;
-            }
-            return policy;
-        }
-
-        public void set_encryption_key(string profile, uint8[] key, uint8[] salt) {
-            Policy policy = create_policy(profile);
-            policy.ssrc.type = SsrcType.any_outbound;
-            policy.key = new uint8[key.length + salt.length];
-            Memory.copy(policy.key, key, key.length);
-            Memory.copy(((uint8*)policy.key) + key.length, salt, salt.length);
-            encrypt_context.add_stream(ref policy);
-            has_encrypt = true;
-        }
-
-        public void set_decryption_key(string profile, uint8[] key, uint8[] salt) {
-            Policy policy = create_policy(profile);
-            policy.ssrc.type = SsrcType.any_inbound;
-            policy.key = new uint8[key.length + salt.length];
-            Memory.copy(policy.key, key, key.length);
-            Memory.copy(((uint8*)policy.key) + key.length, salt, salt.length);
-            decrypt_context.add_stream(ref policy);
-            has_decrypt = true;
-        }
-    }
-}
\ No newline at end of file
-- 
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