diff --git a/providers/cht/artifacts_certs_r3.zip b/providers/cht/artifacts_certs_r3.zip
new file mode 100644
index 00000000..e2cff953
Binary files /dev/null and b/providers/cht/artifacts_certs_r3.zip differ
diff --git a/providers/cht/compatMatrices/artifacts_certs_r3/bc_cht.csv b/providers/cht/compatMatrices/artifacts_certs_r3/bc_cht.csv
new file mode 100644
index 00000000..736a4c30
--- /dev/null
+++ b/providers/cht/compatMatrices/artifacts_certs_r3/bc_cht.csv
@@ -0,0 +1,16 @@
+key_algorithm_oid,test_result
+1.3.6.1.4.1.2.267.12.4.4,Y
+1.3.6.1.4.1.2.267.12.6.5,Y
+1.3.6.1.4.1.2.267.12.8.7,Y
+1.3.9999.6.4.13,Y
+1.3.9999.6.4.16,Y
+1.3.9999.6.5.10,Y
+1.3.9999.6.5.12,Y
+1.3.9999.6.6.10,Y
+1.3.9999.6.6.12,Y
+1.3.9999.6.7.13,Y
+1.3.9999.6.7.16,Y
+1.3.9999.6.8.10,Y
+1.3.9999.6.8.12,Y
+1.3.9999.6.9.10,Y
+1.3.9999.6.9.12,Y
diff --git a/providers/cht/compatMatrices/artifacts_certs_r3/botan_cht.csv b/providers/cht/compatMatrices/artifacts_certs_r3/botan_cht.csv
new file mode 100644
index 00000000..442fd027
--- /dev/null
+++ b/providers/cht/compatMatrices/artifacts_certs_r3/botan_cht.csv
@@ -0,0 +1 @@
+key_algorithm_oid,test_result
diff --git a/providers/cht/compatMatrices/artifacts_certs_r3/carl-redhound_cht.csv b/providers/cht/compatMatrices/artifacts_certs_r3/carl-redhound_cht.csv
new file mode 100644
index 00000000..736a4c30
--- /dev/null
+++ b/providers/cht/compatMatrices/artifacts_certs_r3/carl-redhound_cht.csv
@@ -0,0 +1,16 @@
+key_algorithm_oid,test_result
+1.3.6.1.4.1.2.267.12.4.4,Y
+1.3.6.1.4.1.2.267.12.6.5,Y
+1.3.6.1.4.1.2.267.12.8.7,Y
+1.3.9999.6.4.13,Y
+1.3.9999.6.4.16,Y
+1.3.9999.6.5.10,Y
+1.3.9999.6.5.12,Y
+1.3.9999.6.6.10,Y
+1.3.9999.6.6.12,Y
+1.3.9999.6.7.13,Y
+1.3.9999.6.7.16,Y
+1.3.9999.6.8.10,Y
+1.3.9999.6.8.12,Y
+1.3.9999.6.9.10,Y
+1.3.9999.6.9.12,Y
diff --git a/providers/cht/compatMatrices/artifacts_certs_r3/cht_cht.csv b/providers/cht/compatMatrices/artifacts_certs_r3/cht_cht.csv
new file mode 100644
index 00000000..736a4c30
--- /dev/null
+++ b/providers/cht/compatMatrices/artifacts_certs_r3/cht_cht.csv
@@ -0,0 +1,16 @@
+key_algorithm_oid,test_result
+1.3.6.1.4.1.2.267.12.4.4,Y
+1.3.6.1.4.1.2.267.12.6.5,Y
+1.3.6.1.4.1.2.267.12.8.7,Y
+1.3.9999.6.4.13,Y
+1.3.9999.6.4.16,Y
+1.3.9999.6.5.10,Y
+1.3.9999.6.5.12,Y
+1.3.9999.6.6.10,Y
+1.3.9999.6.6.12,Y
+1.3.9999.6.7.13,Y
+1.3.9999.6.7.16,Y
+1.3.9999.6.8.10,Y
+1.3.9999.6.8.12,Y
+1.3.9999.6.9.10,Y
+1.3.9999.6.9.12,Y
diff --git a/providers/cht/compatMatrices/artifacts_certs_r3/corey-digicert_cht.csv b/providers/cht/compatMatrices/artifacts_certs_r3/corey-digicert_cht.csv
new file mode 100644
index 00000000..736a4c30
--- /dev/null
+++ b/providers/cht/compatMatrices/artifacts_certs_r3/corey-digicert_cht.csv
@@ -0,0 +1,16 @@
+key_algorithm_oid,test_result
+1.3.6.1.4.1.2.267.12.4.4,Y
+1.3.6.1.4.1.2.267.12.6.5,Y
+1.3.6.1.4.1.2.267.12.8.7,Y
+1.3.9999.6.4.13,Y
+1.3.9999.6.4.16,Y
+1.3.9999.6.5.10,Y
+1.3.9999.6.5.12,Y
+1.3.9999.6.6.10,Y
+1.3.9999.6.6.12,Y
+1.3.9999.6.7.13,Y
+1.3.9999.6.7.16,Y
+1.3.9999.6.8.10,Y
+1.3.9999.6.8.12,Y
+1.3.9999.6.9.10,Y
+1.3.9999.6.9.12,Y
diff --git a/providers/cht/compatMatrices/artifacts_certs_r3/cryptonext_cht.csv b/providers/cht/compatMatrices/artifacts_certs_r3/cryptonext_cht.csv
new file mode 100644
index 00000000..5140e992
--- /dev/null
+++ b/providers/cht/compatMatrices/artifacts_certs_r3/cryptonext_cht.csv
@@ -0,0 +1,7 @@
+key_algorithm_oid,test_result
+1.3.6.1.4.1.2.267.12.4.4,Y
+1.3.6.1.4.1.2.267.12.6.5,Y
+1.3.6.1.4.1.2.267.12.8.7,Y
+1.3.9999.6.7.13,N
+1.3.9999.6.8.10,Y
+1.3.9999.6.9.10,N
diff --git a/providers/cht/compatMatrices/artifacts_certs_r3/entrust_cht.csv b/providers/cht/compatMatrices/artifacts_certs_r3/entrust_cht.csv
new file mode 100644
index 00000000..b1a8f6d4
--- /dev/null
+++ b/providers/cht/compatMatrices/artifacts_certs_r3/entrust_cht.csv
@@ -0,0 +1,10 @@
+key_algorithm_oid,test_result
+1.3.6.1.4.1.2.267.12.4.4,Y
+1.3.6.1.4.1.2.267.12.6.5,Y
+1.3.6.1.4.1.2.267.12.8.7,Y
+1.3.9999.6.7.13,Y
+1.3.9999.6.7.16,Y
+1.3.9999.6.8.10,Y
+1.3.9999.6.8.12,Y
+1.3.9999.6.9.10,Y
+1.3.9999.6.9.12,Y
diff --git a/providers/cht/compatMatrices/artifacts_certs_r3/kris_cht.csv b/providers/cht/compatMatrices/artifacts_certs_r3/kris_cht.csv
new file mode 100644
index 00000000..9fb18d0b
--- /dev/null
+++ b/providers/cht/compatMatrices/artifacts_certs_r3/kris_cht.csv
@@ -0,0 +1,4 @@
+key_algorithm_oid,test_result
+1.3.6.1.4.1.2.267.12.4.4,Y
+1.3.6.1.4.1.2.267.12.6.5,Y
+1.3.6.1.4.1.2.267.12.8.7,Y
diff --git a/providers/cht/compatMatrices/artifacts_certs_r3/openca_cht.csv b/providers/cht/compatMatrices/artifacts_certs_r3/openca_cht.csv
new file mode 100644
index 00000000..442fd027
--- /dev/null
+++ b/providers/cht/compatMatrices/artifacts_certs_r3/openca_cht.csv
@@ -0,0 +1 @@
+key_algorithm_oid,test_result
diff --git a/providers/cht/compatMatrices/artifacts_certs_r3/openssl111_cht.csv b/providers/cht/compatMatrices/artifacts_certs_r3/openssl111_cht.csv
new file mode 100644
index 00000000..442fd027
--- /dev/null
+++ b/providers/cht/compatMatrices/artifacts_certs_r3/openssl111_cht.csv
@@ -0,0 +1 @@
+key_algorithm_oid,test_result
diff --git a/providers/cht/compatMatrices/artifacts_certs_r3/oqs-gnutls_cht.csv b/providers/cht/compatMatrices/artifacts_certs_r3/oqs-gnutls_cht.csv
new file mode 100644
index 00000000..442fd027
--- /dev/null
+++ b/providers/cht/compatMatrices/artifacts_certs_r3/oqs-gnutls_cht.csv
@@ -0,0 +1 @@
+key_algorithm_oid,test_result
diff --git a/providers/cht/compatMatrices/artifacts_certs_r3/oqsprovider_cht.csv b/providers/cht/compatMatrices/artifacts_certs_r3/oqsprovider_cht.csv
new file mode 100644
index 00000000..0b8d8288
--- /dev/null
+++ b/providers/cht/compatMatrices/artifacts_certs_r3/oqsprovider_cht.csv
@@ -0,0 +1,13 @@
+key_algorithm_oid,test_result
+1.3.9999.6.4.13,Y
+1.3.9999.6.4.16,Y
+1.3.9999.6.5.10,Y
+1.3.9999.6.5.12,Y
+1.3.9999.6.6.10,Y
+1.3.9999.6.6.12,Y
+1.3.9999.6.7.13,Y
+1.3.9999.6.7.16,Y
+1.3.9999.6.8.10,Y
+1.3.9999.6.8.12,Y
+1.3.9999.6.9.10,Y
+1.3.9999.6.9.12,Y