SM2 KAP (Key Agreement Protocol), not tested

demos/ec_param.pem

@@ -0,0 +1,7 @@
+-----BEGIN EC PARAMETERS-----
+MIHgAgEBMCwGByqGSM49AQECIQD////+/////////////////////wAAAAD/////
+/////zBEBCD////+/////////////////////wAAAAD//////////AQgKOn6np2f
+XjRNWp5Lz2UJp/OXifUVq4+S3by9QU2UDpMEQQQyxK4sHxmBGV+ZBEZqOcmUj+ML
+v/JmC+FxWkWJM0x0x7w3NqL09necWb3O42tpIVPQqYd8xipHQALfMuUhOfCgAiEA
+/////v///////////////3ID32shxgUrU7v0CTnVQSMCAQE=
+-----END EC PARAMETERS-----

demos/gmssl.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+
+gmssl=/usr/local/bin/gmssl
+paramfile=ecparam.pem
+keyfile=eckey.pem
+pubkeyfile=ecpubkey.pem
+pkeyopt="-pkeyopt ec_paramgen_curve:sm2p256v1"
+
+
+echo -n abc | $gmssl dgst -sm3
+echo -n abcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcd | gmssl dgst -sm3
+
+#$gmssl version
+#$gmssl ecparam -list_curves | grep sm2
+#$gmssl ecparam -text -noout -name sm2p256v1 -param_enc explicit
+
+$gmssl genpkey -genparam -algorithm SM2 $ecpkeyopt -out $paramfile
+#$gmssl genpkey -algorithm EC $pkeyopt -out $keyfile
+#$gmssl pkey -text -noout -in $keyfile
+#$gmssl pkey -in $keyfile -pubout -out $pubkeyfile
+#$gmssl pkey -text -noout -pubin -in $pubkeyfile
+