Add secure interoperability test. (#222)

10 files changed, 606 insertions, 0 deletions

diff --git a/test/regression/interoperability_test/certificates/test.crt b/test/regression/interoperability_test/certificates/test.crt
new file mode 100644
index 00000000..b4f6837f
--- /dev/null
+++ b/test/regression/interoperability_test/certificates/test.crt
@@ -0,0 +1,34 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
\ No newline at end of file
diff --git a/test/regression/interoperability_test/certificates/test.der.c b/test/regression/interoperability_test/certificates/test.der.c
new file mode 100644
index 00000000..b2f8f8be
--- /dev/null
+++ b/test/regression/interoperability_test/certificates/test.der.c
@@ -0,0 +1,99 @@
+unsigned char test_der[] = {
+  0x30, 0x82, 0x05, 0xf2, 0x30, 0x82, 0x03, 0xda, 0xa0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x01, 0x01,
+  0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x0b, 0x05, 0x00, 0x30,
+  0x81, 0x89, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31,
+  0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x08, 0x0c, 0x0a, 0x43, 0x61, 0x6c, 0x69, 0x66, 0x6f,
+  0x72, 0x6e, 0x69, 0x61, 0x31, 0x16, 0x30, 0x14, 0x06, 0x03, 0x55, 0x04, 0x07, 0x0c, 0x0d, 0x53,
+  0x61, 0x6e, 0x20, 0x46, 0x72, 0x61, 0x6e, 0x63, 0x69, 0x73, 0x63, 0x6f, 0x31, 0x10, 0x30, 0x0e,
+  0x06, 0x03, 0x55, 0x04, 0x0a, 0x0c, 0x07, 0x45, 0x4c, 0x20, 0x49, 0x6e, 0x63, 0x2e, 0x31, 0x13,
+  0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x0b, 0x0c, 0x0a, 0x4f, 0x70, 0x65, 0x72, 0x61, 0x74, 0x69,
+  0x6f, 0x6e, 0x73, 0x31, 0x26, 0x30, 0x24, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0c, 0x1d, 0x45, 0x4c,
+  0x20, 0x49, 0x6e, 0x63, 0x2e, 0x20, 0x43, 0x65, 0x72, 0x74, 0x69, 0x66, 0x69, 0x63, 0x61, 0x74,
+  0x65, 0x20, 0x41, 0x75, 0x74, 0x68, 0x6f, 0x72, 0x69, 0x74, 0x79, 0x30, 0x1e, 0x17, 0x0d, 0x31,
+  0x37, 0x30, 0x33, 0x30, 0x39, 0x30, 0x38, 0x30, 0x30, 0x35, 0x33, 0x5a, 0x17, 0x0d, 0x32, 0x37,
+  0x30, 0x33, 0x30, 0x39, 0x30, 0x38, 0x30, 0x30, 0x35, 0x33, 0x5a, 0x30, 0x81, 0x89, 0x31, 0x0b,
+  0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31, 0x13, 0x30, 0x11, 0x06,
+  0x03, 0x55, 0x04, 0x08, 0x0c, 0x0a, 0x43, 0x61, 0x6c, 0x69, 0x66, 0x6f, 0x72, 0x6e, 0x69, 0x61,
+  0x31, 0x16, 0x30, 0x14, 0x06, 0x03, 0x55, 0x04, 0x07, 0x0c, 0x0d, 0x53, 0x61, 0x6e, 0x20, 0x46,
+  0x72, 0x61, 0x6e, 0x63, 0x69, 0x73, 0x63, 0x6f, 0x31, 0x10, 0x30, 0x0e, 0x06, 0x03, 0x55, 0x04,
+  0x0a, 0x0c, 0x07, 0x45, 0x4c, 0x20, 0x49, 0x6e, 0x63, 0x2e, 0x31, 0x13, 0x30, 0x11, 0x06, 0x03,
+  0x55, 0x04, 0x0b, 0x0c, 0x0a, 0x4f, 0x70, 0x65, 0x72, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x31,
+  0x26, 0x30, 0x24, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0c, 0x1d, 0x45, 0x4c, 0x20, 0x49, 0x6e, 0x63,
+  0x2e, 0x20, 0x43, 0x65, 0x72, 0x74, 0x69, 0x66, 0x69, 0x63, 0x61, 0x74, 0x65, 0x20, 0x41, 0x75,
+  0x74, 0x68, 0x6f, 0x72, 0x69, 0x74, 0x79, 0x30, 0x82, 0x02, 0x22, 0x30, 0x0d, 0x06, 0x09, 0x2a,
+  0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x82, 0x02, 0x0f, 0x00, 0x30,
+  0x82, 0x02, 0x0a, 0x02, 0x82, 0x02, 0x01, 0x00, 0xcb, 0xd9, 0xfd, 0x82, 0x2f, 0xd9, 0x42, 0x72,
+  0x9b, 0xd1, 0x7d, 0x54, 0xb2, 0x7a, 0x7d, 0x37, 0x0b, 0xf9, 0xf9, 0xd7, 0xec, 0x1c, 0xce, 0xc7,
+  0x6a, 0x59, 0x88, 0x09, 0x6d, 0x83, 0xd7, 0xe9, 0xd0, 0xa6, 0xc3, 0xdc, 0xc9, 0xa5, 0xe5, 0xff,
+  0x59, 0x93, 0x33, 0x9e, 0x94, 0x05, 0x9f, 0x0e, 0x52, 0x52, 0x9b, 0x06, 0x2b, 0xec, 0xa9, 0x12,
+  0x71, 0xe8, 0x9d, 0xb3, 0x47, 0x08, 0xa5, 0x95, 0x0d, 0x67, 0x16, 0x4b, 0x08, 0x7e, 0x86, 0x0e,
+  0xef, 0x93, 0x41, 0xba, 0xe6, 0x43, 0xc0, 0x4e, 0xb1, 0x22, 0xe5, 0x3f, 0x4e, 0xe1, 0xab, 0x5f,
+  0x82, 0xa2, 0x84, 0x9d, 0x2b, 0x87, 0x83, 0x49, 0x07, 0x0a, 0x82, 0xc7, 0x8b, 0x63, 0xc8, 0xa0,
+  0xcb, 0x8e, 0xc5, 0x36, 0x81, 0xce, 0xc2, 0x61, 0xb6, 0xf7, 0xee, 0x3e, 0x9b, 0xcd, 0x58, 0xb9,
+  0x8d, 0x5c, 0x74, 0x6c, 0x6c, 0x35, 0xea, 0xae, 0xb2, 0x2e, 0xcb, 0x4d, 0x5f, 0xc9, 0x7f, 0x52,
+  0xde, 0x8d, 0xc0, 0x14, 0x05, 0x87, 0x04, 0x9a, 0x1e, 0x70, 0xa1, 0xad, 0x7d, 0xba, 0x3d, 0x8b,
+  0xb3, 0xa7, 0x6f, 0x32, 0x9c, 0xa1, 0xd5, 0x61, 0xa7, 0xbe, 0x11, 0x3c, 0x82, 0x33, 0x5b, 0x6e,
+  0xaf, 0xc9, 0x47, 0x07, 0x23, 0xec, 0x58, 0xf0, 0xc2, 0xc5, 0x3b, 0xa8, 0x54, 0x77, 0x7d, 0xde,
+  0x71, 0x8e, 0xa5, 0x7d, 0x08, 0x7b, 0x09, 0xee, 0x55, 0xda, 0xb1, 0xc6, 0xe2, 0xa8, 0x7f, 0x20,
+  0xd3, 0xd0, 0x72, 0x85, 0x2b, 0x8e, 0x06, 0xe9, 0xc2, 0x10, 0x1c, 0x49, 0x61, 0x7e, 0x1e, 0x31,
+  0x89, 0x7f, 0xfa, 0x12, 0x03, 0xdb, 0x49, 0xb4, 0x02, 0x5e, 0xe5, 0x64, 0x9e, 0x39, 0x23, 0x15,
+  0xde, 0xbc, 0x8a, 0x5f, 0xb9, 0xd8, 0xf6, 0x96, 0x47, 0x39, 0x93, 0xc4, 0xb2, 0x85, 0x9b, 0xa3,
+  0x17, 0x67, 0x9a, 0xb6, 0x27, 0x79, 0xc8, 0x55, 0x4f, 0x08, 0x27, 0x93, 0xa2, 0x19, 0xd9, 0x84,
+  0xef, 0x3e, 0x6f, 0xbb, 0xe6, 0x87, 0xdc, 0x5a, 0x58, 0xed, 0xc2, 0xaf, 0x3e, 0x6e, 0xf5, 0x58,
+  0x43, 0xc6, 0x47, 0x49, 0xc5, 0x02, 0x96, 0xff, 0x0e, 0xb6, 0x1b, 0x91, 0xb8, 0x32, 0x9c, 0x36,
+  0xdc, 0x09, 0x0a, 0xf6, 0x2f, 0xcc, 0x44, 0x1d, 0xd3, 0xb3, 0x0e, 0x87, 0x0c, 0xe3, 0xbb, 0xd6,
+  0x96, 0x37, 0xd3, 0x9b, 0x21, 0xeb, 0x1d, 0x2d, 0x48, 0x79, 0x46, 0x94, 0x10, 0xa7, 0x83, 0xf2,
+  0x71, 0xb8, 0xc5, 0xc5, 0x50, 0xd7, 0x01, 0x41, 0xc5, 0xe2, 0x0d, 0x4b, 0x43, 0x4e, 0x09, 0xa5,
+  0x03, 0x14, 0x5f, 0xc7, 0x81, 0xa1, 0xe7, 0xa8, 0x03, 0x35, 0x2b, 0x73, 0x24, 0x9c, 0x99, 0x8f,
+  0x95, 0xc8, 0xe0, 0x24, 0x55, 0xcc, 0x67, 0x3c, 0xa0, 0x85, 0x14, 0xc6, 0x09, 0x63, 0x85, 0xcc,
+  0x68, 0xed, 0x1d, 0xd3, 0x52, 0x3c, 0x06, 0x2d, 0x77, 0xc3, 0x17, 0xc5, 0x57, 0xd4, 0xe1, 0xbf,
+  0x39, 0xce, 0xda, 0x67, 0x75, 0x10, 0x87, 0x21, 0xca, 0x56, 0x34, 0x5a, 0x9c, 0x2b, 0xcd, 0x0f,
+  0x25, 0xa9, 0xcd, 0xd1, 0x5c, 0xbe, 0xbd, 0xba, 0x06, 0xc8, 0x4d, 0x90, 0x26, 0x48, 0x11, 0x2b,
+  0x96, 0x78, 0x51, 0x1a, 0x09, 0xd0, 0xfb, 0xb8, 0x3c, 0xc7, 0xd8, 0xdf, 0x5d, 0x85, 0xc0, 0xfd,
+  0x1e, 0x67, 0x0d, 0x20, 0xe3, 0x8a, 0x8c, 0x05, 0x0c, 0x43, 0x69, 0xfc, 0xc9, 0x43, 0xce, 0x43,
+  0x29, 0xad, 0xc5, 0xa7, 0x92, 0xba, 0x1d, 0x8f, 0xd3, 0x75, 0xdf, 0x30, 0x44, 0x1c, 0x66, 0xab,
+  0x67, 0xc5, 0x44, 0x8c, 0x51, 0xb0, 0x13, 0x16, 0x10, 0x7f, 0x69, 0x47, 0x7b, 0xc1, 0xfb, 0x60,
+  0x47, 0xd2, 0x4b, 0xb3, 0x05, 0xbc, 0xea, 0xd9, 0x4e, 0xce, 0xd9, 0x8a, 0xda, 0xc3, 0xd5, 0x51,
+  0x07, 0x8d, 0x2e, 0x07, 0x00, 0x3d, 0xf6, 0x11, 0x02, 0x03, 0x01, 0x00, 0x01, 0xa3, 0x63, 0x30,
+  0x61, 0x30, 0x0e, 0x06, 0x03, 0x55, 0x1d, 0x0f, 0x01, 0x01, 0xff, 0x04, 0x04, 0x03, 0x02, 0x01,
+  0x06, 0x30, 0x0f, 0x06, 0x03, 0x55, 0x1d, 0x13, 0x01, 0x01, 0xff, 0x04, 0x05, 0x30, 0x03, 0x01,
+  0x01, 0xff, 0x30, 0x1d, 0x06, 0x03, 0x55, 0x1d, 0x0e, 0x04, 0x16, 0x04, 0x14, 0x2d, 0x7c, 0x48,
+  0x9c, 0x8b, 0x54, 0x14, 0x21, 0x3f, 0xe2, 0x75, 0xa5, 0x99, 0x8a, 0x77, 0x64, 0xdf, 0x2b, 0xd6,
+  0x88, 0x30, 0x1f, 0x06, 0x03, 0x55, 0x1d, 0x23, 0x04, 0x18, 0x30, 0x16, 0x80, 0x14, 0x2d, 0x7c,
+  0x48, 0x9c, 0x8b, 0x54, 0x14, 0x21, 0x3f, 0xe2, 0x75, 0xa5, 0x99, 0x8a, 0x77, 0x64, 0xdf, 0x2b,
+  0xd6, 0x88, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x0b, 0x05,
+  0x00, 0x03, 0x82, 0x02, 0x01, 0x00, 0x1b, 0xd7, 0xb6, 0xc1, 0x2d, 0x88, 0x9e, 0xf5, 0xe5, 0xa3,
+  0xf0, 0x58, 0x79, 0xf9, 0x31, 0x18, 0xf0, 0xb7, 0x2e, 0xe5, 0x0a, 0x83, 0xcb, 0x9e, 0x22, 0x45,
+  0x7b, 0x63, 0x68, 0xbb, 0x39, 0xf0, 0x8c, 0xc5, 0x3f, 0xbe, 0x87, 0x50, 0x40, 0x6c, 0x79, 0x6d,
+  0x89, 0x16, 0x74, 0xf5, 0xa1, 0x8c, 0xb9, 0xad, 0xd8, 0xe7, 0xe0, 0x41, 0x6e, 0x1d, 0x7d, 0xcb,
+  0x89, 0x84, 0xce, 0x19, 0x1b, 0xa7, 0xe4, 0xd8, 0x30, 0x9a, 0xcc, 0x31, 0x6e, 0xaf, 0x15, 0xd3,
+  0xf6, 0x5b, 0x6d, 0x49, 0xb9, 0x5f, 0x7b, 0x55, 0xad, 0x46, 0xcb, 0x41, 0x64, 0x07, 0x1d, 0xb3,
+  0x14, 0xe3, 0xa3, 0x16, 0xbe, 0x5c, 0xcf, 0xa1, 0x1d, 0x2e, 0xf0, 0x8d, 0xbc, 0x69, 0x53, 0x32,
+  0x8c, 0xee, 0x16, 0x53, 0x66, 0x7e, 0x61, 0x75, 0xfd, 0xa4, 0x67, 0x04, 0x55, 0x29, 0xb1, 0x38,
+  0x76, 0x85, 0x93, 0x04, 0x49, 0xa7, 0xbf, 0x88, 0x88, 0x94, 0xad, 0x71, 0x46, 0x7c, 0x82, 0xeb,
+  0xaa, 0xae, 0xc6, 0xd3, 0x6b, 0x62, 0xd6, 0x8c, 0xad, 0x0d, 0x95, 0x9e, 0xce, 0x10, 0xfa, 0x4c,
+  0x75, 0xc8, 0xf4, 0x82, 0xda, 0x97, 0x6c, 0xf7, 0xe5, 0x7b, 0x36, 0xb3, 0x13, 0xd5, 0x5c, 0xc3,
+  0x27, 0x7c, 0x85, 0xfe, 0x9c, 0x18, 0xaa, 0xb5, 0xa2, 0xba, 0xaa, 0xec, 0x7a, 0xeb, 0xa5, 0xd8,
+  0xef, 0xa7, 0x38, 0x80, 0x71, 0x74, 0x87, 0x70, 0x94, 0x4d, 0x03, 0x4b, 0xc6, 0xc2, 0x61, 0x8d,
+  0xc3, 0x24, 0xdd, 0x77, 0x86, 0xcd, 0x25, 0x14, 0xd2, 0x8e, 0x20, 0x52, 0xa9, 0xed, 0x68, 0xf0,
+  0x27, 0x85, 0x4e, 0x22, 0x1c, 0xe9, 0x52, 0x92, 0x67, 0xb6, 0xe1, 0x2a, 0x5c, 0x5f, 0x4b, 0x4a,
+  0xa7, 0x5f, 0xf1, 0x94, 0x60, 0xe9, 0xd5, 0x96, 0x01, 0x43, 0xdb, 0x39, 0x88, 0x70, 0xad, 0x34,
+  0x69, 0x36, 0x49, 0x27, 0xf9, 0x92, 0x33, 0x2c, 0xd6, 0x03, 0xaf, 0x22, 0x37, 0x72, 0x16, 0x86,
+  0xa3, 0x01, 0xca, 0x8c, 0x90, 0xdc, 0x1d, 0x23, 0xca, 0x0f, 0x50, 0xc3, 0x27, 0x9d, 0x70, 0xb7,
+  0x0f, 0x49, 0xb0, 0x42, 0x5a, 0xfa, 0xe4, 0x51, 0x8c, 0xc0, 0xd0, 0x3c, 0xed, 0x63, 0xda, 0x40,
+  0x89, 0x80, 0xc4, 0x82, 0x65, 0x5f, 0x82, 0x85, 0x6d, 0xcd, 0xc1, 0x4e, 0x74, 0xb4, 0x15, 0xe1,
+  0x7e, 0x51, 0xe0, 0x8a, 0x69, 0xa3, 0xb1, 0x22, 0xb8, 0x0e, 0x3c, 0xf6, 0x65, 0x50, 0x70, 0x2d,
+  0xb2, 0x17, 0x92, 0x7b, 0x0a, 0xf2, 0xde, 0xf9, 0xcf, 0xcc, 0x2c, 0xd8, 0xd0, 0x50, 0xa0, 0x51,
+  0x31, 0x53, 0xc4, 0xf7, 0x6b, 0xb8, 0x57, 0xda, 0x04, 0x46, 0xbf, 0xba, 0x3c, 0x27, 0xef, 0x2b,
+  0xab, 0x28, 0x0c, 0x27, 0x55, 0x16, 0xc2, 0x0d, 0x42, 0x53, 0x26, 0xc6, 0x63, 0x7f, 0x4a, 0xbf,
+  0xda, 0x58, 0xd1, 0xb3, 0xbc, 0x51, 0x9a, 0xbf, 0x4d, 0x66, 0xbb, 0x97, 0xc2, 0x87, 0x25, 0x96,
+  0xc3, 0xe4, 0x91, 0x6f, 0x3c, 0xc3, 0x0e, 0x63, 0x4d, 0x1b, 0xec, 0xda, 0x47, 0x7e, 0x8c, 0x57,
+  0x2e, 0x1c, 0xf1, 0x45, 0x1f, 0xe8, 0x73, 0x2c, 0xf3, 0xc1, 0x9a, 0x6c, 0x59, 0xd4, 0xca, 0x29,
+  0x7f, 0x60, 0x54, 0xfe, 0x52, 0xf8, 0xb7, 0x99, 0x9f, 0xd7, 0x38, 0x1d, 0xd1, 0x4d, 0x34, 0xc5,
+  0xea, 0x7a, 0x2f, 0x90, 0x5e, 0x61, 0xe5, 0xfc, 0x1f, 0x89, 0xfd, 0x92, 0x13, 0x07, 0x12, 0x0f,
+  0xf6, 0xe9, 0xc3, 0x17, 0x26, 0x6c, 0x4f, 0xc0, 0xe4, 0x6c, 0x3f, 0xc4, 0x3b, 0xed, 0x90, 0xef,
+  0x3a, 0xad, 0xd1, 0x52, 0xfb, 0x72, 0xaf, 0xb7, 0xc2, 0x84, 0x0e, 0xef, 0xa1, 0x09, 0x16, 0xd1,
+  0x08, 0xde, 0xa3, 0x00, 0xca, 0x94, 0x38, 0x19, 0xf8, 0x79, 0xc6, 0x92, 0x69, 0xd5, 0x5b, 0x05,
+  0xb5, 0xa3, 0x8a, 0x1f, 0x5e, 0x67
+};
+unsigned int test_der_len = 1526;
diff --git a/test/regression/interoperability_test/certificates/test_client.crt b/test/regression/interoperability_test/certificates/test_client.crt
new file mode 100644
index 00000000..6e537078
--- /dev/null
+++ b/test/regression/interoperability_test/certificates/test_client.crt
@@ -0,0 +1,33 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/test/regression/interoperability_test/certificates/test_client.der.c b/test/regression/interoperability_test/certificates/test_client.der.c
new file mode 100644
index 00000000..1f54b400
--- /dev/null
+++ b/test/regression/interoperability_test/certificates/test_client.der.c
@@ -0,0 +1,96 @@
+unsigned char test_client_der[] = {
+  0x30, 0x82, 0x05, 0xc6, 0x30, 0x82, 0x03, 0xae, 0xa0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x01, 0x08,
+  0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x0b, 0x05, 0x00, 0x30,
+  0x81, 0x89, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31,
+  0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x08, 0x0c, 0x0a, 0x43, 0x61, 0x6c, 0x69, 0x66, 0x6f,
+  0x72, 0x6e, 0x69, 0x61, 0x31, 0x16, 0x30, 0x14, 0x06, 0x03, 0x55, 0x04, 0x07, 0x0c, 0x0d, 0x53,
+  0x61, 0x6e, 0x20, 0x46, 0x72, 0x61, 0x6e, 0x63, 0x69, 0x73, 0x63, 0x6f, 0x31, 0x10, 0x30, 0x0e,
+  0x06, 0x03, 0x55, 0x04, 0x0a, 0x0c, 0x07, 0x45, 0x4c, 0x20, 0x49, 0x6e, 0x63, 0x2e, 0x31, 0x13,
+  0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x0b, 0x0c, 0x0a, 0x4f, 0x70, 0x65, 0x72, 0x61, 0x74, 0x69,
+  0x6f, 0x6e, 0x73, 0x31, 0x26, 0x30, 0x24, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0c, 0x1d, 0x45, 0x4c,
+  0x20, 0x49, 0x6e, 0x63, 0x2e, 0x20, 0x43, 0x65, 0x72, 0x74, 0x69, 0x66, 0x69, 0x63, 0x61, 0x74,
+  0x65, 0x20, 0x41, 0x75, 0x74, 0x68, 0x6f, 0x72, 0x69, 0x74, 0x79, 0x30, 0x1e, 0x17, 0x0d, 0x31,
+  0x38, 0x30, 0x36, 0x30, 0x35, 0x30, 0x37, 0x31, 0x37, 0x34, 0x31, 0x5a, 0x17, 0x0d, 0x32, 0x38,
+  0x30, 0x36, 0x30, 0x32, 0x30, 0x37, 0x31, 0x37, 0x34, 0x31, 0x5a, 0x30, 0x81, 0x82, 0x31, 0x0b,
+  0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31, 0x13, 0x30, 0x11, 0x06,
+  0x03, 0x55, 0x04, 0x08, 0x13, 0x0a, 0x43, 0x61, 0x6c, 0x69, 0x66, 0x6f, 0x72, 0x6e, 0x69, 0x61,
+  0x31, 0x16, 0x30, 0x14, 0x06, 0x03, 0x55, 0x04, 0x07, 0x13, 0x0d, 0x53, 0x61, 0x6e, 0x20, 0x46,
+  0x72, 0x61, 0x6e, 0x63, 0x69, 0x73, 0x63, 0x6f, 0x31, 0x0f, 0x30, 0x0d, 0x06, 0x03, 0x55, 0x04,
+  0x0a, 0x13, 0x06, 0x45, 0x4c, 0x20, 0x49, 0x6e, 0x63, 0x31, 0x19, 0x30, 0x17, 0x06, 0x09, 0x2a,
+  0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x09, 0x01, 0x16, 0x0a, 0x4f, 0x70, 0x65, 0x72, 0x61, 0x74,
+  0x69, 0x6f, 0x6e, 0x73, 0x31, 0x1a, 0x30, 0x18, 0x06, 0x03, 0x55, 0x04, 0x03, 0x14, 0x11, 0x74,
+  0x65, 0x73, 0x74, 0x5f, 0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x2e, 0x6c, 0x6f, 0x63, 0x61, 0x6c,
+  0x30, 0x82, 0x01, 0x22, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01,
+  0x01, 0x05, 0x00, 0x03, 0x82, 0x01, 0x0f, 0x00, 0x30, 0x82, 0x01, 0x0a, 0x02, 0x82, 0x01, 0x01,
+  0x00, 0xa1, 0x38, 0x47, 0x6a, 0xac, 0x77, 0xbf, 0x80, 0x5d, 0xab, 0xcd, 0x84, 0x6b, 0x6f, 0xfd,
+  0x94, 0x1e, 0x28, 0x4d, 0x2b, 0x4b, 0xb6, 0xf2, 0xe5, 0x4a, 0x9f, 0x59, 0xe5, 0x94, 0x12, 0x00,
+  0xab, 0xdc, 0x4c, 0xdc, 0xde, 0xa6, 0x32, 0x72, 0x94, 0x5d, 0xd1, 0xc5, 0x4d, 0x9d, 0x35, 0x50,
+  0x13, 0xf9, 0x64, 0x84, 0x68, 0xae, 0xee, 0xf2, 0x39, 0x32, 0xc5, 0x46, 0xe7, 0x75, 0xbf, 0x99,
+  0xc6, 0x6d, 0x5b, 0x62, 0xdb, 0x35, 0xa4, 0x72, 0xea, 0xe1, 0x0e, 0xb4, 0xeb, 0x48, 0x08, 0xd0,
+  0x4e, 0x1c, 0x1c, 0xc2, 0xed, 0xe7, 0x4f, 0x91, 0xe1, 0xa9, 0x07, 0x74, 0x69, 0xa0, 0x7f, 0x14,
+  0xb7, 0xc4, 0x37, 0x30, 0xbb, 0x65, 0xef, 0xe9, 0x7f, 0x0a, 0x90, 0xf3, 0x06, 0xec, 0xd6, 0x48,
+  0xc8, 0x1d, 0xe0, 0x8e, 0xad, 0xbe, 0x98, 0xc3, 0x9c, 0x60, 0x30, 0x63, 0xe8, 0xa4, 0x50, 0x6c,
+  0xd7, 0x50, 0xe2, 0x1f, 0x00, 0xfb, 0x67, 0x34, 0xfd, 0x72, 0xb8, 0x63, 0x49, 0xc3, 0xc6, 0x7a,
+  0x8c, 0x73, 0x09, 0x27, 0x8f, 0xed, 0x81, 0x56, 0x5a, 0x50, 0x57, 0xde, 0xeb, 0x96, 0xb6, 0x60,
+  0x37, 0x37, 0xf2, 0x70, 0xfb, 0x16, 0x9b, 0x88, 0x10, 0xb0, 0x83, 0x2b, 0x02, 0x64, 0xf5, 0x42,
+  0xf3, 0x43, 0x55, 0xf3, 0xdb, 0x5f, 0xf0, 0x40, 0x75, 0x2c, 0x74, 0x1e, 0xb4, 0x52, 0x63, 0x75,
+  0x8b, 0x76, 0x49, 0xa4, 0xd3, 0x5c, 0x7c, 0x27, 0x81, 0xea, 0x84, 0x78, 0xa7, 0xe2, 0xee, 0x9b,
+  0xf6, 0xf0, 0xdc, 0x6b, 0x14, 0x02, 0x4b, 0x03, 0x97, 0xa7, 0x2e, 0x43, 0x6a, 0x60, 0xc4, 0xcf,
+  0x3f, 0xb5, 0x93, 0x88, 0xe9, 0x22, 0x1a, 0xcd, 0xdf, 0x97, 0xa7, 0x74, 0xf4, 0x0d, 0xe2, 0x97,
+  0xe0, 0x12, 0x83, 0x3d, 0x3e, 0x89, 0xbf, 0xd4, 0xaf, 0x5e, 0xb6, 0xc8, 0xb4, 0x78, 0xac, 0x37,
+  0xf1, 0x02, 0x03, 0x01, 0x00, 0x01, 0xa3, 0x82, 0x01, 0x3c, 0x30, 0x82, 0x01, 0x38, 0x30, 0x09,
+  0x06, 0x03, 0x55, 0x1d, 0x13, 0x04, 0x02, 0x30, 0x00, 0x30, 0x0b, 0x06, 0x03, 0x55, 0x1d, 0x0f,
+  0x04, 0x04, 0x03, 0x02, 0x05, 0xe0, 0x30, 0x31, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x86, 0xf8,
+  0x42, 0x01, 0x0d, 0x04, 0x24, 0x16, 0x22, 0x4f, 0x70, 0x65, 0x6e, 0x53, 0x53, 0x4c, 0x20, 0x47,
+  0x65, 0x6e, 0x65, 0x72, 0x61, 0x74, 0x65, 0x64, 0x20, 0x55, 0x73, 0x65, 0x72, 0x20, 0x43, 0x65,
+  0x72, 0x74, 0x69, 0x66, 0x69, 0x63, 0x61, 0x74, 0x65, 0x30, 0x1d, 0x06, 0x03, 0x55, 0x1d, 0x0e,
+  0x04, 0x16, 0x04, 0x14, 0x14, 0x39, 0x5b, 0xa8, 0xdd, 0x0e, 0xe4, 0xfc, 0xdf, 0x65, 0xad, 0xac,
+  0x35, 0xf3, 0x04, 0xbc, 0xce, 0xb8, 0xee, 0xa8, 0x30, 0x81, 0xb6, 0x06, 0x03, 0x55, 0x1d, 0x23,
+  0x04, 0x81, 0xae, 0x30, 0x81, 0xab, 0x80, 0x14, 0x2d, 0x7c, 0x48, 0x9c, 0x8b, 0x54, 0x14, 0x21,
+  0x3f, 0xe2, 0x75, 0xa5, 0x99, 0x8a, 0x77, 0x64, 0xdf, 0x2b, 0xd6, 0x88, 0xa1, 0x81, 0x8f, 0xa4,
+  0x81, 0x8c, 0x30, 0x81, 0x89, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02,
+  0x55, 0x53, 0x31, 0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x08, 0x0c, 0x0a, 0x43, 0x61, 0x6c,
+  0x69, 0x66, 0x6f, 0x72, 0x6e, 0x69, 0x61, 0x31, 0x16, 0x30, 0x14, 0x06, 0x03, 0x55, 0x04, 0x07,
+  0x0c, 0x0d, 0x53, 0x61, 0x6e, 0x20, 0x46, 0x72, 0x61, 0x6e, 0x63, 0x69, 0x73, 0x63, 0x6f, 0x31,
+  0x10, 0x30, 0x0e, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x0c, 0x07, 0x45, 0x4c, 0x20, 0x49, 0x6e, 0x63,
+  0x2e, 0x31, 0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x0b, 0x0c, 0x0a, 0x4f, 0x70, 0x65, 0x72,
+  0x61, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x31, 0x26, 0x30, 0x24, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0c,
+  0x1d, 0x45, 0x4c, 0x20, 0x49, 0x6e, 0x63, 0x2e, 0x20, 0x43, 0x65, 0x72, 0x74, 0x69, 0x66, 0x69,
+  0x63, 0x61, 0x74, 0x65, 0x20, 0x41, 0x75, 0x74, 0x68, 0x6f, 0x72, 0x69, 0x74, 0x79, 0x82, 0x01,
+  0x01, 0x30, 0x13, 0x06, 0x03, 0x55, 0x1d, 0x25, 0x04, 0x0c, 0x30, 0x0a, 0x06, 0x08, 0x2b, 0x06,
+  0x01, 0x05, 0x05, 0x07, 0x03, 0x02, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d,
+  0x01, 0x01, 0x0b, 0x05, 0x00, 0x03, 0x82, 0x02, 0x01, 0x00, 0x75, 0x12, 0x06, 0x74, 0x6d, 0x28,
+  0x81, 0xf0, 0x17, 0xec, 0x8f, 0x05, 0x01, 0xeb, 0x98, 0x9b, 0xf0, 0x3c, 0x12, 0x56, 0x0a, 0xe0,
+  0xa0, 0x1d, 0x7e, 0xbd, 0x75, 0x86, 0x75, 0xba, 0x2a, 0xc8, 0x2a, 0x04, 0x8c, 0x1e, 0x56, 0x1c,
+  0x45, 0x28, 0xec, 0x9e, 0x3a, 0x95, 0xb4, 0x30, 0x6f, 0xbe, 0x0d, 0x8c, 0x1d, 0x26, 0x53, 0x95,
+  0x92, 0xa0, 0xde, 0x01, 0xcb, 0xc6, 0x52, 0x32, 0x01, 0xf3, 0xde, 0xbf, 0x7b, 0xf2, 0x8b, 0xc8,
+  0x86, 0x3b, 0xa2, 0x23, 0xd5, 0x98, 0xa4, 0x49, 0x71, 0xcf, 0x91, 0x5e, 0x5f, 0xf7, 0x27, 0xa0,
+  0xfd, 0xd1, 0xb1, 0x9a, 0x70, 0x89, 0x14, 0x49, 0x52, 0x47, 0xf8, 0x68, 0xe3, 0x69, 0xc3, 0x8b,
+  0x79, 0x47, 0x35, 0xb1, 0x8c, 0x89, 0x48, 0x7a, 0xb3, 0x71, 0xa3, 0xf7, 0xe4, 0x1a, 0x49, 0x39,
+  0x32, 0x92, 0x35, 0x7a, 0x88, 0x10, 0xcc, 0xae, 0x2c, 0x36, 0xa2, 0xb7, 0x20, 0x21, 0x59, 0x1e,
+  0x7d, 0xd8, 0x34, 0x23, 0x15, 0x8b, 0x14, 0x77, 0xa0, 0xab, 0x1f, 0xc0, 0x25, 0x00, 0xa5, 0xda,
+  0x10, 0xe9, 0x83, 0x92, 0x96, 0x78, 0xf5, 0x69, 0x8e, 0x1b, 0x80, 0xb2, 0x4e, 0xf5, 0x97, 0x38,
+  0x73, 0xe8, 0xd0, 0xcb, 0xec, 0x98, 0x1b, 0x1e, 0x84, 0x6c, 0xce, 0x65, 0x61, 0xdc, 0x37, 0xe7,
+  0xeb, 0xba, 0x8e, 0xe7, 0xa8, 0xe3, 0xaa, 0x71, 0x1e, 0x85, 0xb9, 0x78, 0x56, 0x8a, 0x40, 0xe9,
+  0x87, 0x72, 0xcd, 0x89, 0x49, 0x79, 0xab, 0x2a, 0x9d, 0x05, 0x33, 0xf6, 0x8b, 0x64, 0xc3, 0xbe,
+  0x16, 0xe6, 0x61, 0x95, 0x14, 0x8d, 0x91, 0x76, 0x7e, 0x4d, 0xa6, 0xe0, 0xba, 0x7f, 0x9c, 0x25,
+  0x42, 0x85, 0x93, 0x24, 0x52, 0x72, 0x43, 0x28, 0x37, 0x38, 0x49, 0x31, 0x17, 0x7a, 0x27, 0x3e,
+  0x9f, 0x94, 0x5e, 0xc7, 0xfe, 0x6c, 0x13, 0x40, 0x93, 0x4f, 0x46, 0x91, 0xb6, 0x2d, 0xd8, 0xa1,
+  0x56, 0x1c, 0x36, 0xf9, 0xd3, 0x5f, 0xb4, 0xc2, 0x29, 0xac, 0xeb, 0xe9, 0x5d, 0x05, 0x26, 0x78,
+  0x84, 0x23, 0x99, 0x5b, 0xc5, 0x9f, 0xf0, 0x44, 0x21, 0xe8, 0x1c, 0x30, 0xd2, 0xbb, 0xc1, 0xc9,
+  0xaa, 0x39, 0xe9, 0x12, 0x70, 0x7d, 0x26, 0x48, 0x81, 0xf7, 0x75, 0xc5, 0x8e, 0x9a, 0x8b, 0xea,
+  0x15, 0xa8, 0xff, 0x57, 0xb9, 0xc0, 0xf2, 0x09, 0x7e, 0xd2, 0xb8, 0xdc, 0xa1, 0x81, 0x27, 0x15,
+  0xa3, 0xfc, 0x81, 0x4d, 0xd9, 0x95, 0xb1, 0x61, 0xd7, 0x86, 0x15, 0x67, 0x6d, 0xdc, 0x8e, 0xb9,
+  0xcd, 0x9d, 0x64, 0x8e, 0x5e, 0x34, 0x4c, 0x23, 0x86, 0xfa, 0xa2, 0x5a, 0x3d, 0x4e, 0x0a, 0x5f,
+  0x5a, 0x27, 0x8e, 0x18, 0xf0, 0x5e, 0xdf, 0x90, 0x22, 0xc4, 0x88, 0xba, 0xb2, 0xec, 0x4f, 0x2e,
+  0x80, 0x7d, 0xdd, 0x03, 0x63, 0xca, 0x77, 0xee, 0xeb, 0xbf, 0xe2, 0x06, 0xa3, 0xd8, 0x19, 0xbc,
+  0xaa, 0x20, 0xbf, 0xe4, 0xea, 0x48, 0x9e, 0x6c, 0xbc, 0x25, 0x0f, 0x5a, 0xc5, 0x04, 0x82, 0x73,
+  0x81, 0x3e, 0xcf, 0x62, 0xa6, 0xe9, 0x1d, 0xdc, 0x0d, 0x1c, 0x45, 0x08, 0x8b, 0xef, 0x33, 0x81,
+  0x98, 0x6c, 0x34, 0x74, 0x2a, 0xf9, 0x5a, 0x3a, 0x13, 0x98, 0x6f, 0xe5, 0x4b, 0x10, 0x7d, 0xdd,
+  0x97, 0x87, 0x92, 0x67, 0xa3, 0x58, 0x56, 0xc5, 0x86, 0x64, 0x0f, 0x3a, 0xa6, 0x3f, 0x64, 0xc5,
+  0xba, 0xf7, 0x91, 0xc2, 0xf6, 0x81, 0x1a, 0xcc, 0xe7, 0x67, 0x1d, 0x21, 0x9e, 0x23, 0x18, 0x38,
+  0x95, 0x1f, 0xb7, 0xc8, 0x77, 0x44, 0xae, 0xfb, 0xbb, 0x32, 0x1b, 0x4a, 0x09, 0x0e, 0xde, 0xdc,
+  0x43, 0xc6, 0x67, 0xbd, 0xa7, 0xe4, 0xa9, 0x5c, 0xce, 0xd0, 0x2e, 0xf2, 0x7b, 0xca, 0x2c, 0x71,
+  0xdb, 0x1f, 0x84, 0xb0, 0x93, 0xa9, 0xed, 0xf1, 0x53, 0x73
+};
+unsigned int test_client_der_len = 1482;
diff --git a/test/regression/interoperability_test/certificates/test_client.key b/test/regression/interoperability_test/certificates/test_client.key
new file mode 100644
index 00000000..7d0a9382
--- /dev/null
+++ b/test/regression/interoperability_test/certificates/test_client.key
@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----
diff --git a/test/regression/interoperability_test/certificates/test_client.key.der.c b/test/regression/interoperability_test/certificates/test_client.key.der.c
new file mode 100644
index 00000000..49e80e3c
--- /dev/null
+++ b/test/regression/interoperability_test/certificates/test_client.key.der.c
@@ -0,0 +1,78 @@
+unsigned char test_client_key_der[] = {
+  0x30, 0x82, 0x04, 0xa5, 0x02, 0x01, 0x00, 0x02, 0x82, 0x01, 0x01, 0x00, 0xa1, 0x38, 0x47, 0x6a,
+  0xac, 0x77, 0xbf, 0x80, 0x5d, 0xab, 0xcd, 0x84, 0x6b, 0x6f, 0xfd, 0x94, 0x1e, 0x28, 0x4d, 0x2b,
+  0x4b, 0xb6, 0xf2, 0xe5, 0x4a, 0x9f, 0x59, 0xe5, 0x94, 0x12, 0x00, 0xab, 0xdc, 0x4c, 0xdc, 0xde,
+  0xa6, 0x32, 0x72, 0x94, 0x5d, 0xd1, 0xc5, 0x4d, 0x9d, 0x35, 0x50, 0x13, 0xf9, 0x64, 0x84, 0x68,
+  0xae, 0xee, 0xf2, 0x39, 0x32, 0xc5, 0x46, 0xe7, 0x75, 0xbf, 0x99, 0xc6, 0x6d, 0x5b, 0x62, 0xdb,
+  0x35, 0xa4, 0x72, 0xea, 0xe1, 0x0e, 0xb4, 0xeb, 0x48, 0x08, 0xd0, 0x4e, 0x1c, 0x1c, 0xc2, 0xed,
+  0xe7, 0x4f, 0x91, 0xe1, 0xa9, 0x07, 0x74, 0x69, 0xa0, 0x7f, 0x14, 0xb7, 0xc4, 0x37, 0x30, 0xbb,
+  0x65, 0xef, 0xe9, 0x7f, 0x0a, 0x90, 0xf3, 0x06, 0xec, 0xd6, 0x48, 0xc8, 0x1d, 0xe0, 0x8e, 0xad,
+  0xbe, 0x98, 0xc3, 0x9c, 0x60, 0x30, 0x63, 0xe8, 0xa4, 0x50, 0x6c, 0xd7, 0x50, 0xe2, 0x1f, 0x00,
+  0xfb, 0x67, 0x34, 0xfd, 0x72, 0xb8, 0x63, 0x49, 0xc3, 0xc6, 0x7a, 0x8c, 0x73, 0x09, 0x27, 0x8f,
+  0xed, 0x81, 0x56, 0x5a, 0x50, 0x57, 0xde, 0xeb, 0x96, 0xb6, 0x60, 0x37, 0x37, 0xf2, 0x70, 0xfb,
+  0x16, 0x9b, 0x88, 0x10, 0xb0, 0x83, 0x2b, 0x02, 0x64, 0xf5, 0x42, 0xf3, 0x43, 0x55, 0xf3, 0xdb,
+  0x5f, 0xf0, 0x40, 0x75, 0x2c, 0x74, 0x1e, 0xb4, 0x52, 0x63, 0x75, 0x8b, 0x76, 0x49, 0xa4, 0xd3,
+  0x5c, 0x7c, 0x27, 0x81, 0xea, 0x84, 0x78, 0xa7, 0xe2, 0xee, 0x9b, 0xf6, 0xf0, 0xdc, 0x6b, 0x14,
+  0x02, 0x4b, 0x03, 0x97, 0xa7, 0x2e, 0x43, 0x6a, 0x60, 0xc4, 0xcf, 0x3f, 0xb5, 0x93, 0x88, 0xe9,
+  0x22, 0x1a, 0xcd, 0xdf, 0x97, 0xa7, 0x74, 0xf4, 0x0d, 0xe2, 0x97, 0xe0, 0x12, 0x83, 0x3d, 0x3e,
+  0x89, 0xbf, 0xd4, 0xaf, 0x5e, 0xb6, 0xc8, 0xb4, 0x78, 0xac, 0x37, 0xf1, 0x02, 0x03, 0x01, 0x00,
+  0x01, 0x02, 0x82, 0x01, 0x01, 0x00, 0x9f, 0xf7, 0x1a, 0x8d, 0x92, 0xd1, 0x42, 0x97, 0x58, 0xda,
+  0x36, 0x12, 0x95, 0x13, 0xca, 0xd5, 0x23, 0xd3, 0x33, 0x36, 0xa9, 0x6a, 0xbe, 0xb9, 0x9a, 0x00,
+  0x61, 0x0f, 0x75, 0x8b, 0x23, 0x55, 0x63, 0x42, 0x74, 0xc9, 0x0a, 0xb8, 0xf5, 0x8d, 0x97, 0x45,
+  0xa3, 0xf2, 0xad, 0xf1, 0x0f, 0x22, 0xb2, 0x8a, 0xf5, 0x02, 0x75, 0xc8, 0xab, 0x58, 0xeb, 0xb2,
+  0x68, 0xf7, 0x12, 0x93, 0x69, 0x3e, 0x44, 0x95, 0xaf, 0x91, 0xf8, 0x38, 0xd2, 0xb9, 0x91, 0x53,
+  0xa9, 0x59, 0xe6, 0xe0, 0xaf, 0xe7, 0x40, 0xe7, 0x9c, 0xd6, 0xb7, 0x73, 0xf1, 0x38, 0xaa, 0x21,
+  0xb6, 0x75, 0x74, 0x05, 0x84, 0x06, 0x0e, 0xd0, 0x00, 0x2f, 0x81, 0x26, 0xba, 0x55, 0x0e, 0xa3,
+  0xe2, 0x2f, 0xd5, 0xe1, 0x8c, 0xd7, 0xdb, 0x25, 0x4c, 0x0c, 0xc3, 0x18, 0x0a, 0xc7, 0x67, 0x7d,
+  0xbc, 0x34, 0x42, 0x8d, 0x76, 0x5f, 0xde, 0x9c, 0xda, 0x2c, 0x02, 0xd9, 0x07, 0x02, 0xe9, 0x0c,
+  0x04, 0x47, 0xee, 0x7f, 0x1c, 0x51, 0x01, 0xcb, 0xc3, 0x53, 0xd0, 0xbf, 0x17, 0x88, 0xae, 0x3d,
+  0xf6, 0x16, 0xde, 0xaf, 0x22, 0x22, 0x89, 0xeb, 0x96, 0x45, 0xcf, 0x72, 0x44, 0xbf, 0x02, 0x02,
+  0xd6, 0x53, 0xaf, 0x14, 0xf9, 0xfb, 0xb0, 0xa5, 0xf8, 0xb6, 0x93, 0x47, 0x7e, 0x2d, 0x70, 0x50,
+  0xd6, 0x4d, 0xe5, 0x61, 0xf2, 0x30, 0x6b, 0x84, 0x40, 0x58, 0x63, 0x71, 0x04, 0x94, 0xe4, 0x75,
+  0x2a, 0x1d, 0xab, 0x32, 0x3d, 0xc9, 0x23, 0x0c, 0x1a, 0xc3, 0xbe, 0xf0, 0x10, 0xb7, 0x6c, 0x52,
+  0xcf, 0x01, 0xe6, 0x8b, 0xe2, 0x7b, 0x7d, 0xbb, 0x71, 0xdc, 0x48, 0xe5, 0xfb, 0x8c, 0x0a, 0xd0,
+  0x00, 0x80, 0x7d, 0xbc, 0xd6, 0x07, 0xf6, 0x0c, 0xa5, 0x84, 0x92, 0x13, 0xb5, 0x3f, 0x2e, 0xce,
+  0x35, 0x9e, 0x16, 0xdc, 0x47, 0xed, 0x02, 0x81, 0x81, 0x00, 0xd6, 0xd9, 0x85, 0x4b, 0x45, 0x90,
+  0xab, 0x4b, 0xff, 0x77, 0x0f, 0x04, 0xe7, 0xd6, 0x71, 0xff, 0xc9, 0xd1, 0xe0, 0x64, 0x47, 0x5c,
+  0xb4, 0x22, 0x28, 0xe6, 0xe4, 0x65, 0x0f, 0x30, 0x35, 0xef, 0xcc, 0xcc, 0xdc, 0x14, 0xbc, 0xab,
+  0x10, 0x43, 0x4e, 0x34, 0x96, 0x57, 0x60, 0xf3, 0xba, 0xf5, 0x0e, 0x8d, 0x6b, 0xbd, 0x5e, 0x48,
+  0x4f, 0x0f, 0x47, 0xdb, 0x3e, 0x74, 0x5d, 0x75, 0xb3, 0x61, 0xd4, 0x44, 0xbb, 0x40, 0x7d, 0xf7,
+  0x86, 0xa7, 0x11, 0x87, 0x67, 0xe6, 0x92, 0x8e, 0x52, 0xa3, 0xaa, 0x4b, 0x47, 0xd8, 0x0f, 0xf0,
+  0xfb, 0xe8, 0x93, 0xea, 0xb1, 0x2b, 0x66, 0x6c, 0xb3, 0x57, 0x2b, 0x3b, 0xdb, 0x30, 0x60, 0x7c,
+  0x7d, 0x40, 0x38, 0x4d, 0x00, 0x23, 0x77, 0x81, 0x2e, 0xfd, 0xca, 0x91, 0x13, 0x01, 0x98, 0xc2,
+  0xb4, 0x14, 0x8c, 0x22, 0xad, 0x60, 0xcd, 0x80, 0x7b, 0xf7, 0x02, 0x81, 0x81, 0x00, 0xc0, 0x19,
+  0x2f, 0xe7, 0x79, 0xc4, 0x0f, 0x17, 0xbf, 0x98, 0x2f, 0xa3, 0x13, 0x7d, 0x71, 0xe7, 0x03, 0xc0,
+  0x84, 0xeb, 0xd9, 0x37, 0x46, 0x00, 0x06, 0x0f, 0xf8, 0x50, 0x4c, 0xed, 0xa8, 0x3b, 0x2c, 0xbf,
+  0x63, 0x84, 0xc5, 0x33, 0xa8, 0x33, 0x56, 0x42, 0xc8, 0xe0, 0x4c, 0x8a, 0x16, 0x70, 0xc3, 0xed,
+  0x7b, 0x38, 0xd1, 0xfa, 0x13, 0x3e, 0x41, 0x4a, 0xe7, 0x99, 0xd6, 0xf4, 0x51, 0xa2, 0x87, 0xb0,
+  0xe4, 0xa8, 0x74, 0xa6, 0xba, 0xa2, 0x31, 0x4d, 0x9a, 0x4f, 0xfb, 0xbb, 0x13, 0xdc, 0x98, 0xc4,
+  0x55, 0x36, 0x77, 0xc1, 0x76, 0xaf, 0x49, 0xa5, 0x77, 0x8f, 0x35, 0x4f, 0x90, 0xe4, 0xc3, 0x9e,
+  0xa0, 0x31, 0x20, 0x30, 0x13, 0xfe, 0xcd, 0xbc, 0xe3, 0x35, 0x96, 0xf6, 0x3d, 0x07, 0x49, 0x71,
+  0x88, 0xea, 0xf9, 0x6b, 0x9c, 0xf5, 0x2e, 0x2e, 0xd9, 0x93, 0xa3, 0xe2, 0xe1, 0x57, 0x02, 0x81,
+  0x80, 0x23, 0x1b, 0x76, 0x39, 0x7f, 0x8b, 0x8d, 0x42, 0x24, 0xe3, 0x7a, 0x93, 0xcd, 0xa2, 0x70,
+  0x0c, 0x61, 0x19, 0x27, 0x76, 0x9b, 0x66, 0x9d, 0x94, 0xbb, 0x64, 0x47, 0x4b, 0xf0, 0x38, 0x6b,
+  0x87, 0xdc, 0xca, 0x58, 0xe8, 0x16, 0x90, 0x49, 0x5f, 0x06, 0x27, 0x77, 0xad, 0x9d, 0x8d, 0x16,
+  0x2e, 0xb7, 0x0b, 0x0a, 0xe0, 0xed, 0xc8, 0x19, 0x0b, 0x21, 0x2d, 0xc5, 0x3d, 0xd4, 0x8b, 0xc8,
+  0x1d, 0x23, 0x47, 0x7b, 0xe5, 0xa4, 0xef, 0xce, 0x93, 0xfc, 0x3c, 0x49, 0x11, 0x17, 0x3f, 0xa4,
+  0x67, 0x54, 0x0b, 0x6b, 0x18, 0xf6, 0x39, 0xe5, 0x9f, 0xf2, 0x93, 0xb6, 0x11, 0xa6, 0x71, 0xfa,
+  0xb8, 0x32, 0xbb, 0x5c, 0x2c, 0xc2, 0x87, 0x75, 0x1c, 0x0a, 0x57, 0x22, 0xbf, 0xa8, 0xe6, 0x76,
+  0x1c, 0x48, 0x7e, 0x7e, 0x41, 0x93, 0x89, 0xb5, 0x4d, 0x6a, 0x3c, 0xbc, 0x62, 0x06, 0x12, 0x89,
+  0xaf, 0x02, 0x81, 0x81, 0x00, 0x90, 0xc7, 0x2a, 0xdc, 0x89, 0x60, 0x23, 0x83, 0xe1, 0x89, 0xa0,
+  0x75, 0x86, 0xad, 0xe7, 0xd7, 0x95, 0x73, 0x56, 0x7a, 0xae, 0x76, 0x43, 0x12, 0xa7, 0x7f, 0x07,
+  0xc5, 0xf5, 0x84, 0xb4, 0x63, 0x0c, 0xe1, 0x9d, 0xee, 0xa5, 0xf5, 0xbd, 0xd2, 0x1b, 0x34, 0x30,
+  0x53, 0x24, 0x3c, 0x7a, 0x97, 0x38, 0x83, 0x56, 0x78, 0x47, 0x80, 0xf3, 0x59, 0xdb, 0x39, 0xc9,
+  0xfd, 0x9f, 0x0c, 0xfa, 0x2d, 0xc5, 0x98, 0xa3, 0x6c, 0xf6, 0xa5, 0xe6, 0x49, 0x71, 0x61, 0x2c,
+  0x69, 0x15, 0xaf, 0x34, 0x53, 0xf0, 0xeb, 0x1f, 0xd1, 0xf2, 0x45, 0xe3, 0xde, 0x4e, 0x62, 0x20,
+  0x0e, 0xd5, 0xbe, 0x06, 0xd4, 0xf3, 0x3e, 0x2d, 0x3b, 0x79, 0x27, 0xe3, 0x1a, 0x0a, 0x13, 0x4f,
+  0x26, 0xc7, 0x85, 0x04, 0x0f, 0xe6, 0xe1, 0x63, 0xb0, 0xbc, 0x94, 0xc7, 0x71, 0xde, 0x01, 0xbf,
+  0x47, 0xcf, 0x9f, 0xa1, 0xf7, 0x02, 0x81, 0x81, 0x00, 0x94, 0xbb, 0x72, 0xb9, 0xff, 0xa3, 0x90,
+  0x71, 0x63, 0xb2, 0xa5, 0xdc, 0x91, 0x2d, 0x91, 0xc9, 0x89, 0x3f, 0xf8, 0x20, 0xe9, 0x09, 0xbb,
+  0x99, 0x99, 0x30, 0xbd, 0x42, 0xe4, 0xa8, 0xb2, 0x52, 0xf6, 0xb1, 0xc5, 0xa3, 0x8f, 0x45, 0xd3,
+  0x74, 0x86, 0xd8, 0xa5, 0x14, 0x81, 0x81, 0xbc, 0xd9, 0x02, 0x4e, 0x65, 0xbf, 0x49, 0x84, 0xe3,
+  0xf2, 0xe1, 0x19, 0x75, 0x1e, 0x5e, 0x87, 0x1a, 0x8b, 0xbf, 0x44, 0x77, 0xa0, 0xb9, 0x00, 0x47,
+  0x24, 0xc6, 0x8a, 0x23, 0xa3, 0x82, 0xef, 0x43, 0xcb, 0xa5, 0x9f, 0xc7, 0x51, 0x99, 0x95, 0x02,
+  0x99, 0x5b, 0xa5, 0x22, 0x13, 0x3f, 0xfc, 0x07, 0xcd, 0x75, 0x9a, 0xa3, 0x31, 0x4d, 0x92, 0x7b,
+  0xcd, 0x2a, 0x99, 0x7b, 0xe5, 0x3d, 0x6b, 0xc6, 0x72, 0xb6, 0x93, 0x16, 0x2c, 0x7f, 0x21, 0x80,
+  0x6f, 0x5f, 0xf9, 0x20, 0x53, 0x2f, 0x41, 0x03, 0x55
+};
+unsigned int test_client_key_der_len = 1193;
diff --git a/test/regression/interoperability_test/certificates/test_server.crt b/test/regression/interoperability_test/certificates/test_server.crt
new file mode 100644
index 00000000..81851ed7
--- /dev/null
+++ b/test/regression/interoperability_test/certificates/test_server.crt
@@ -0,0 +1,34 @@
+-----BEGIN CERTIFICATE-----
+MIIF5TCCA82gAwIBAgIBBzANBgkqhkiG9w0BAQsFADCBiTELMAkGA1UEBhMCVVMx
+EzARBgNVBAgMCkNhbGlmb3JuaWExFjAUBgNVBAcMDVNhbiBGcmFuY2lzY28xEDAO
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+hkiG9w0BCQEWCk9wZXJhdGlvbnMxGjAYBgNVBAMUEXRlc3Rfc2VydmVyLmxvY2Fs
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++QIDAQABo4IBWzCCAVcwCQYDVR0TBAIwADARBglghkgBhvhCAQEEBAMCBkAwMwYJ
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+VQQIDApDYWxpZm9ybmlhMRYwFAYDVQQHDA1TYW4gRnJhbmNpc2NvMRAwDgYDVQQK
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+IENlcnRpZmljYXRlIEF1dGhvcml0eYIBATAdBgNVHSUEFjAUBggrBgEFBQcDAQYI
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+muusukRM6uBnt/u8Q9e+HOOoQysewMmIqStcEOhPI5ZAekEfoHFvXK9l8Z9hxSG7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+-----END CERTIFICATE-----
diff --git a/test/regression/interoperability_test/certificates/test_server.der.c b/test/regression/interoperability_test/certificates/test_server.der.c
new file mode 100644
index 00000000..0cbd741b
--- /dev/null
+++ b/test/regression/interoperability_test/certificates/test_server.der.c
@@ -0,0 +1,98 @@
+unsigned char test_server_der[] = {
+  0x30, 0x82, 0x05, 0xe5, 0x30, 0x82, 0x03, 0xcd, 0xa0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x01, 0x07,
+  0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x0b, 0x05, 0x00, 0x30,
+  0x81, 0x89, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31,
+  0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x08, 0x0c, 0x0a, 0x43, 0x61, 0x6c, 0x69, 0x66, 0x6f,
+  0x72, 0x6e, 0x69, 0x61, 0x31, 0x16, 0x30, 0x14, 0x06, 0x03, 0x55, 0x04, 0x07, 0x0c, 0x0d, 0x53,
+  0x61, 0x6e, 0x20, 0x46, 0x72, 0x61, 0x6e, 0x63, 0x69, 0x73, 0x63, 0x6f, 0x31, 0x10, 0x30, 0x0e,
+  0x06, 0x03, 0x55, 0x04, 0x0a, 0x0c, 0x07, 0x45, 0x4c, 0x20, 0x49, 0x6e, 0x63, 0x2e, 0x31, 0x13,
+  0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x0b, 0x0c, 0x0a, 0x4f, 0x70, 0x65, 0x72, 0x61, 0x74, 0x69,
+  0x6f, 0x6e, 0x73, 0x31, 0x26, 0x30, 0x24, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0c, 0x1d, 0x45, 0x4c,
+  0x20, 0x49, 0x6e, 0x63, 0x2e, 0x20, 0x43, 0x65, 0x72, 0x74, 0x69, 0x66, 0x69, 0x63, 0x61, 0x74,
+  0x65, 0x20, 0x41, 0x75, 0x74, 0x68, 0x6f, 0x72, 0x69, 0x74, 0x79, 0x30, 0x1e, 0x17, 0x0d, 0x31,
+  0x38, 0x30, 0x36, 0x30, 0x35, 0x30, 0x37, 0x31, 0x37, 0x31, 0x38, 0x5a, 0x17, 0x0d, 0x32, 0x38,
+  0x30, 0x36, 0x30, 0x32, 0x30, 0x37, 0x31, 0x37, 0x31, 0x38, 0x5a, 0x30, 0x81, 0x82, 0x31, 0x0b,
+  0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31, 0x13, 0x30, 0x11, 0x06,
+  0x03, 0x55, 0x04, 0x08, 0x13, 0x0a, 0x43, 0x61, 0x6c, 0x69, 0x66, 0x6f, 0x72, 0x6e, 0x69, 0x61,
+  0x31, 0x16, 0x30, 0x14, 0x06, 0x03, 0x55, 0x04, 0x07, 0x13, 0x0d, 0x53, 0x61, 0x6e, 0x20, 0x46,
+  0x72, 0x61, 0x6e, 0x63, 0x69, 0x73, 0x63, 0x6f, 0x31, 0x0f, 0x30, 0x0d, 0x06, 0x03, 0x55, 0x04,
+  0x0a, 0x13, 0x06, 0x45, 0x4c, 0x20, 0x49, 0x6e, 0x63, 0x31, 0x19, 0x30, 0x17, 0x06, 0x09, 0x2a,
+  0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x09, 0x01, 0x16, 0x0a, 0x4f, 0x70, 0x65, 0x72, 0x61, 0x74,
+  0x69, 0x6f, 0x6e, 0x73, 0x31, 0x1a, 0x30, 0x18, 0x06, 0x03, 0x55, 0x04, 0x03, 0x14, 0x11, 0x74,
+  0x65, 0x73, 0x74, 0x5f, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x2e, 0x6c, 0x6f, 0x63, 0x61, 0x6c,
+  0x30, 0x82, 0x01, 0x22, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01,
+  0x01, 0x05, 0x00, 0x03, 0x82, 0x01, 0x0f, 0x00, 0x30, 0x82, 0x01, 0x0a, 0x02, 0x82, 0x01, 0x01,
+  0x00, 0xd0, 0x6a, 0x52, 0x6e, 0xe6, 0x36, 0x44, 0x08, 0x62, 0x8c, 0xbb, 0xfe, 0xa2, 0xcf, 0xa6,
+  0xd2, 0x80, 0xd7, 0x56, 0x88, 0x43, 0xfb, 0x48, 0xeb, 0xfe, 0x53, 0x92, 0xbf, 0xee, 0x6a, 0xa2,
+  0x44, 0x3c, 0x69, 0xfa, 0x9e, 0x2f, 0x44, 0x0d, 0x98, 0x2e, 0x2f, 0x72, 0x64, 0xf7, 0x86, 0xfe,
+  0x4c, 0x18, 0x1a, 0x99, 0xcb, 0x85, 0xc9, 0xb7, 0x66, 0x9e, 0xc8, 0xfb, 0x33, 0xed, 0x6f, 0x32,
+  0x87, 0x96, 0xae, 0xb1, 0x62, 0x11, 0xed, 0x30, 0xf4, 0x87, 0xf2, 0x32, 0x46, 0x21, 0x00, 0x25,
+  0x97, 0xff, 0xf7, 0xf8, 0x71, 0xbb, 0x7e, 0x84, 0xf2, 0xd6, 0x1a, 0x5b, 0xd7, 0x57, 0xa0, 0x1e,
+  0xf8, 0x8e, 0xe0, 0x04, 0xe6, 0x71, 0xa4, 0xcd, 0xd0, 0xe1, 0x8c, 0x0d, 0x3d, 0xd9, 0x20, 0x7c,
+  0x2c, 0x56, 0xde, 0x02, 0xec, 0xdb, 0x3f, 0x4e, 0x4a, 0x77, 0xdf, 0x23, 0xa4, 0xc1, 0x8c, 0x0b,
+  0x03, 0x46, 0x21, 0x76, 0x4c, 0x85, 0x2c, 0x55, 0xa7, 0x6d, 0x05, 0x2d, 0x0f, 0x91, 0x94, 0xc3,
+  0x60, 0xfc, 0x1d, 0xd5, 0xd6, 0x94, 0x19, 0x0b, 0x22, 0xb0, 0x5b, 0xc0, 0x94, 0x16, 0x66, 0x2c,
+  0xe4, 0x7a, 0x5c, 0x11, 0xad, 0x7d, 0x40, 0xb1, 0x84, 0x78, 0x04, 0xb1, 0xa6, 0x1c, 0x73, 0xaa,
+  0xb5, 0xfa, 0xcd, 0x18, 0xa5, 0x50, 0xfe, 0xb9, 0xab, 0xb0, 0x7d, 0xce, 0x0d, 0x49, 0x46, 0x57,
+  0x65, 0x53, 0x4c, 0xec, 0x55, 0xe1, 0xc5, 0x05, 0x95, 0xbd, 0x52, 0x7e, 0xf1, 0x0c, 0xad, 0x84,
+  0x24, 0xd9, 0xce, 0xc8, 0x8e, 0x47, 0x57, 0x00, 0xaf, 0x03, 0x8b, 0x31, 0x28, 0x3e, 0xbc, 0xc4,
+  0x6c, 0x14, 0x79, 0xc2, 0x87, 0x63, 0xd8, 0x89, 0xdc, 0x35, 0x1f, 0x8f, 0x55, 0x62, 0xf0, 0xa8,
+  0x8e, 0xdd, 0x82, 0xf0, 0x6b, 0x90, 0x02, 0xc8, 0x8f, 0x80, 0x1a, 0x82, 0xb4, 0x82, 0xd3, 0x4b,
+  0xf9, 0x02, 0x03, 0x01, 0x00, 0x01, 0xa3, 0x82, 0x01, 0x5b, 0x30, 0x82, 0x01, 0x57, 0x30, 0x09,
+  0x06, 0x03, 0x55, 0x1d, 0x13, 0x04, 0x02, 0x30, 0x00, 0x30, 0x11, 0x06, 0x09, 0x60, 0x86, 0x48,
+  0x01, 0x86, 0xf8, 0x42, 0x01, 0x01, 0x04, 0x04, 0x03, 0x02, 0x06, 0x40, 0x30, 0x33, 0x06, 0x09,
+  0x60, 0x86, 0x48, 0x01, 0x86, 0xf8, 0x42, 0x01, 0x0d, 0x04, 0x26, 0x16, 0x24, 0x4f, 0x70, 0x65,
+  0x6e, 0x53, 0x53, 0x4c, 0x20, 0x47, 0x65, 0x6e, 0x65, 0x72, 0x61, 0x74, 0x65, 0x64, 0x20, 0x53,
+  0x65, 0x72, 0x76, 0x65, 0x72, 0x20, 0x43, 0x65, 0x72, 0x74, 0x69, 0x66, 0x69, 0x63, 0x61, 0x74,
+  0x65, 0x30, 0x1d, 0x06, 0x03, 0x55, 0x1d, 0x0e, 0x04, 0x16, 0x04, 0x14, 0x36, 0x20, 0xd3, 0x52,
+  0xa2, 0x16, 0x07, 0x94, 0x04, 0xb5, 0x37, 0xb6, 0xab, 0x53, 0xa5, 0xf3, 0xe9, 0x25, 0xcb, 0x3a,
+  0x30, 0x81, 0xb6, 0x06, 0x03, 0x55, 0x1d, 0x23, 0x04, 0x81, 0xae, 0x30, 0x81, 0xab, 0x80, 0x14,
+  0x2d, 0x7c, 0x48, 0x9c, 0x8b, 0x54, 0x14, 0x21, 0x3f, 0xe2, 0x75, 0xa5, 0x99, 0x8a, 0x77, 0x64,
+  0xdf, 0x2b, 0xd6, 0x88, 0xa1, 0x81, 0x8f, 0xa4, 0x81, 0x8c, 0x30, 0x81, 0x89, 0x31, 0x0b, 0x30,
+  0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31, 0x13, 0x30, 0x11, 0x06, 0x03,
+  0x55, 0x04, 0x08, 0x0c, 0x0a, 0x43, 0x61, 0x6c, 0x69, 0x66, 0x6f, 0x72, 0x6e, 0x69, 0x61, 0x31,
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+  0x68, 0x6f, 0x72, 0x69, 0x74, 0x79, 0x82, 0x01, 0x01, 0x30, 0x1d, 0x06, 0x03, 0x55, 0x1d, 0x25,
+  0x04, 0x16, 0x30, 0x14, 0x06, 0x08, 0x2b, 0x06, 0x01, 0x05, 0x05, 0x07, 0x03, 0x01, 0x06, 0x08,
+  0x2b, 0x06, 0x01, 0x05, 0x05, 0x08, 0x02, 0x02, 0x30, 0x0b, 0x06, 0x03, 0x55, 0x1d, 0x0f, 0x04,
+  0x04, 0x03, 0x02, 0x05, 0xa0, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01,
+  0x01, 0x0b, 0x05, 0x00, 0x03, 0x82, 0x02, 0x01, 0x00, 0xbe, 0x9f, 0x3c, 0x88, 0xdc, 0x8a, 0xc3,
+  0xdc, 0x5a, 0xbe, 0x68, 0x5b, 0xea, 0xac, 0x2a, 0x83, 0x6d, 0xb9, 0xd0, 0xb0, 0x7b, 0x19, 0x5a,
+  0xef, 0x09, 0x46, 0x3b, 0x6e, 0x58, 0xeb, 0xec, 0x08, 0x0b, 0xc8, 0x7b, 0x94, 0x5d, 0xab, 0x67,
+  0x03, 0x6c, 0x8a, 0x35, 0x18, 0x4d, 0x2a, 0x1f, 0x8d, 0xa2, 0x78, 0xae, 0x89, 0x90, 0x78, 0x49,
+  0x9a, 0xeb, 0xac, 0xba, 0x44, 0x4c, 0xea, 0xe0, 0x67, 0xb7, 0xfb, 0xbc, 0x43, 0xd7, 0xbe, 0x1c,
+  0xe3, 0xa8, 0x43, 0x2b, 0x1e, 0xc0, 0xc9, 0x88, 0xa9, 0x2b, 0x5c, 0x10, 0xe8, 0x4f, 0x23, 0x96,
+  0x40, 0x7a, 0x41, 0x1f, 0xa0, 0x71, 0x6f, 0x5c, 0xaf, 0x65, 0xf1, 0x9f, 0x61, 0xc5, 0x21, 0xbb,
+  0x05, 0x7f, 0x89, 0x72, 0x55, 0x9a, 0x71, 0x37, 0x45, 0x36, 0xe4, 0x75, 0x67, 0xf8, 0x5b, 0x3c,
+  0x6c, 0x7b, 0xf0, 0x5d, 0x23, 0xc6, 0x46, 0x2d, 0x64, 0x27, 0x58, 0x26, 0xc5, 0x54, 0xc9, 0x86,
+  0x75, 0x76, 0x95, 0xf4, 0xf7, 0x64, 0xe1, 0x1b, 0x7a, 0x6b, 0xf5, 0x52, 0x8e, 0x05, 0x93, 0xf9,
+  0x9d, 0x50, 0x95, 0xd1, 0xaf, 0x7d, 0xfd, 0x89, 0x7d, 0x30, 0xbe, 0xd7, 0x16, 0xb7, 0xb0, 0x3b,
+  0x03, 0xe3, 0xfe, 0x64, 0x57, 0x1e, 0x70, 0x9f, 0x54, 0xa4, 0xd5, 0x75, 0x45, 0xad, 0x34, 0x5f,
+  0x86, 0xbb, 0xb9, 0x20, 0x01, 0x9a, 0xd7, 0xc8, 0x9d, 0xb4, 0xc2, 0x70, 0xd3, 0x7e, 0x06, 0xd4,
+  0x60, 0xfd, 0x3e, 0x67, 0xd6, 0x91, 0x25, 0xc8, 0x1f, 0x43, 0x0a, 0xcc, 0x3f, 0x68, 0xfc, 0x68,
+  0xe2, 0xf8, 0xf8, 0xe8, 0xc3, 0xae, 0xcb, 0x9a, 0xbb, 0x68, 0x65, 0xf1, 0x93, 0x89, 0x4a, 0x23,
+  0x86, 0x46, 0xe7, 0xe1, 0x4b, 0x85, 0xf9, 0xb6, 0x49, 0x00, 0x0d, 0x00, 0xe8, 0x66, 0x92, 0x38,
+  0x75, 0xc0, 0xf6, 0x9a, 0x61, 0xae, 0x26, 0xe0, 0x4f, 0x5c, 0x4b, 0x2c, 0x05, 0x54, 0x83, 0xb4,
+  0x12, 0xc4, 0xc1, 0x3f, 0xde, 0x48, 0x54, 0xa9, 0x74, 0x5b, 0x77, 0x15, 0x0f, 0x1b, 0xf2, 0x21,
+  0xe3, 0x29, 0x0b, 0xb6, 0x3b, 0xc9, 0x66, 0x6e, 0x76, 0x32, 0xd1, 0x86, 0x8b, 0xe7, 0x1f, 0xb5,
+  0xc3, 0xc6, 0x57, 0x35, 0xdd, 0x28, 0x7c, 0x49, 0x40, 0x3a, 0x45, 0xc6, 0xfd, 0xfe, 0x15, 0x57,
+  0x69, 0x74, 0x11, 0x09, 0xd0, 0x5c, 0x55, 0x60, 0x23, 0xd3, 0xa0, 0x64, 0xd0, 0xb8, 0x11, 0xd2,
+  0x6b, 0xc5, 0x9b, 0x1b, 0x40, 0x37, 0x0f, 0x05, 0x6b, 0xdf, 0xde, 0xb1, 0x88, 0xdb, 0x1e, 0x8a,
+  0xb2, 0x36, 0x9e, 0x28, 0x51, 0x34, 0xf9, 0x1c, 0xe2, 0xe3, 0xb0, 0xf9, 0xdf, 0x12, 0x1a, 0x3a,
+  0x5e, 0x8e, 0xb5, 0x45, 0x4c, 0x64, 0xdc, 0x70, 0xf6, 0x27, 0xd1, 0x03, 0xc2, 0x55, 0xab, 0x9d,
+  0x25, 0x49, 0x13, 0xec, 0xd0, 0xee, 0xac, 0x2b, 0x46, 0xe8, 0xcc, 0x51, 0x11, 0x50, 0x25, 0x94,
+  0xa2, 0xd1, 0x5e, 0xed, 0xfb, 0x47, 0x4e, 0xbd, 0xba, 0xb6, 0x0a, 0x72, 0xac, 0x4e, 0x60, 0xd4,
+  0x38, 0xb0, 0x58, 0x25, 0x46, 0xff, 0x1f, 0xb2, 0x04, 0x2b, 0xd2, 0x3f, 0xb5, 0xcb, 0xfe, 0x9f,
+  0x3f, 0xc2, 0x6b, 0x68, 0x12, 0x36, 0x0a, 0xbe, 0x66, 0xde, 0xc9, 0x80, 0xab, 0x14, 0x55, 0x92,
+  0x0a, 0x2f, 0xc1, 0x1e, 0x5b, 0xbb, 0xa9, 0x71, 0xda, 0x92, 0xca, 0xfc, 0xed, 0x59, 0x73, 0x70,
+  0x6a, 0x9d, 0xaa, 0xff, 0x46, 0x12, 0xed, 0xa0, 0xdb, 0xb1, 0xfd, 0xf4, 0x04, 0xc4, 0xd6, 0xaa,
+  0x61, 0x4c, 0xdc, 0xd7, 0xd5, 0xfa, 0x26, 0x06, 0x93, 0x06, 0x5c, 0x3b, 0x44, 0x55, 0x5c, 0x32,
+  0x6b, 0xe9, 0x21, 0x10, 0x1c, 0xc6, 0xbd, 0x9a, 0xd9, 0x63, 0x7e, 0xae, 0xb7, 0x66, 0x86, 0x34,
+  0x6b, 0x3f, 0xbb, 0x63, 0xed, 0x39, 0x0e, 0x9e, 0x04
+};
+unsigned int test_server_der_len = 1513;
diff --git a/test/regression/interoperability_test/certificates/test_server.key b/test/regression/interoperability_test/certificates/test_server.key
new file mode 100644
index 00000000..c9c06366
--- /dev/null
+++ b/test/regression/interoperability_test/certificates/test_server.key
@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----
diff --git a/test/regression/interoperability_test/certificates/test_server.key.der.c b/test/regression/interoperability_test/certificates/test_server.key.der.c
new file mode 100644
index 00000000..b8cb7f6d
--- /dev/null
+++ b/test/regression/interoperability_test/certificates/test_server.key.der.c
@@ -0,0 +1,78 @@
+unsigned char test_server_key_der[] = {
+  0x30, 0x82, 0x04, 0xa4, 0x02, 0x01, 0x00, 0x02, 0x82, 0x01, 0x01, 0x00, 0xd0, 0x6a, 0x52, 0x6e,
+  0xe6, 0x36, 0x44, 0x08, 0x62, 0x8c, 0xbb, 0xfe, 0xa2, 0xcf, 0xa6, 0xd2, 0x80, 0xd7, 0x56, 0x88,
+  0x43, 0xfb, 0x48, 0xeb, 0xfe, 0x53, 0x92, 0xbf, 0xee, 0x6a, 0xa2, 0x44, 0x3c, 0x69, 0xfa, 0x9e,
+  0x2f, 0x44, 0x0d, 0x98, 0x2e, 0x2f, 0x72, 0x64, 0xf7, 0x86, 0xfe, 0x4c, 0x18, 0x1a, 0x99, 0xcb,
+  0x85, 0xc9, 0xb7, 0x66, 0x9e, 0xc8, 0xfb, 0x33, 0xed, 0x6f, 0x32, 0x87, 0x96, 0xae, 0xb1, 0x62,
+  0x11, 0xed, 0x30, 0xf4, 0x87, 0xf2, 0x32, 0x46, 0x21, 0x00, 0x25, 0x97, 0xff, 0xf7, 0xf8, 0x71,
+  0xbb, 0x7e, 0x84, 0xf2, 0xd6, 0x1a, 0x5b, 0xd7, 0x57, 0xa0, 0x1e, 0xf8, 0x8e, 0xe0, 0x04, 0xe6,
+  0x71, 0xa4, 0xcd, 0xd0, 0xe1, 0x8c, 0x0d, 0x3d, 0xd9, 0x20, 0x7c, 0x2c, 0x56, 0xde, 0x02, 0xec,
+  0xdb, 0x3f, 0x4e, 0x4a, 0x77, 0xdf, 0x23, 0xa4, 0xc1, 0x8c, 0x0b, 0x03, 0x46, 0x21, 0x76, 0x4c,
+  0x85, 0x2c, 0x55, 0xa7, 0x6d, 0x05, 0x2d, 0x0f, 0x91, 0x94, 0xc3, 0x60, 0xfc, 0x1d, 0xd5, 0xd6,
+  0x94, 0x19, 0x0b, 0x22, 0xb0, 0x5b, 0xc0, 0x94, 0x16, 0x66, 0x2c, 0xe4, 0x7a, 0x5c, 0x11, 0xad,
+  0x7d, 0x40, 0xb1, 0x84, 0x78, 0x04, 0xb1, 0xa6, 0x1c, 0x73, 0xaa, 0xb5, 0xfa, 0xcd, 0x18, 0xa5,
+  0x50, 0xfe, 0xb9, 0xab, 0xb0, 0x7d, 0xce, 0x0d, 0x49, 0x46, 0x57, 0x65, 0x53, 0x4c, 0xec, 0x55,
+  0xe1, 0xc5, 0x05, 0x95, 0xbd, 0x52, 0x7e, 0xf1, 0x0c, 0xad, 0x84, 0x24, 0xd9, 0xce, 0xc8, 0x8e,
+  0x47, 0x57, 0x00, 0xaf, 0x03, 0x8b, 0x31, 0x28, 0x3e, 0xbc, 0xc4, 0x6c, 0x14, 0x79, 0xc2, 0x87,
+  0x63, 0xd8, 0x89, 0xdc, 0x35, 0x1f, 0x8f, 0x55, 0x62, 0xf0, 0xa8, 0x8e, 0xdd, 0x82, 0xf0, 0x6b,
+  0x90, 0x02, 0xc8, 0x8f, 0x80, 0x1a, 0x82, 0xb4, 0x82, 0xd3, 0x4b, 0xf9, 0x02, 0x03, 0x01, 0x00,
+  0x01, 0x02, 0x82, 0x01, 0x01, 0x00, 0xbf, 0x1a, 0x4e, 0xbd, 0xeb, 0x8f, 0xa4, 0xb0, 0x3f, 0x95,
+  0x26, 0x28, 0x65, 0xa7, 0x9c, 0x22, 0xf7, 0x0a, 0xfd, 0x08, 0x73, 0xb5, 0x6d, 0x77, 0x1f, 0x3c,
+  0x08, 0x9a, 0xbf, 0x05, 0xbe, 0x06, 0x6d, 0x93, 0x0b, 0xbf, 0x92, 0x3d, 0x87, 0x6d, 0x9c, 0x23,
+  0xdb, 0x73, 0xe3, 0x58, 0x3f, 0xc3, 0x0c, 0x73, 0x0f, 0xc4, 0x83, 0xc7, 0xa3, 0xc8, 0x90, 0x1e,
+  0x5f, 0xe0, 0x8c, 0x7d, 0x62, 0xca, 0xdb, 0x0b, 0x12, 0x11, 0x87, 0xb8, 0x83, 0x24, 0x25, 0xa7,
+  0x9a, 0x1b, 0x9d, 0xd4, 0xe1, 0xa3, 0xcf, 0x8c, 0xd3, 0x9d, 0x8d, 0xbb, 0x84, 0x32, 0x9a, 0xc9,
+  0x8e, 0x9f, 0x15, 0x74, 0xf8, 0x11, 0x18, 0x09, 0x27, 0xd5, 0x1a, 0x2d, 0x70, 0x9f, 0x70, 0xc1,
+  0x17, 0xbf, 0x37, 0x61, 0xc7, 0x1a, 0x6d, 0x08, 0xa3, 0x8c, 0x05, 0xb9, 0xb5, 0x93, 0x28, 0xf9,
+  0x4d, 0x58, 0x9c, 0x34, 0x4a, 0x3f, 0x2d, 0xab, 0x3c, 0x4d, 0x21, 0x84, 0xa7, 0x5b, 0xf3, 0x90,
+  0x1d, 0xce, 0x13, 0x63, 0x29, 0x47, 0xdf, 0xfe, 0x8e, 0x9b, 0x95, 0x91, 0x9e, 0x73, 0xb7, 0xf8,
+  0xf9, 0x18, 0x43, 0x9e, 0x10, 0x21, 0xb3, 0xb3, 0x7c, 0x54, 0x99, 0x30, 0x59, 0xd0, 0x00, 0x37,
+  0x11, 0x7f, 0x13, 0x2d, 0x0c, 0xec, 0xb6, 0x64, 0x1c, 0xd2, 0x39, 0x75, 0xdb, 0x9b, 0x4a, 0x73,
+  0xb8, 0x64, 0xaf, 0x01, 0x13, 0x89, 0xb9, 0x69, 0xd4, 0x02, 0x28, 0xaa, 0xae, 0x39, 0xf0, 0x57,
+  0x85, 0x80, 0x1c, 0x2e, 0xe5, 0xec, 0x79, 0x2d, 0x1c, 0x80, 0x12, 0x2f, 0x6b, 0x43, 0xdf, 0x8c,
+  0x95, 0xcc, 0xb9, 0x8d, 0x3b, 0x29, 0xee, 0x3b, 0x41, 0xda, 0x6f, 0xb0, 0x51, 0xa0, 0xfb, 0x5d,
+  0x9a, 0x05, 0xf4, 0x46, 0x1b, 0xb4, 0x65, 0xf6, 0xf6, 0x6f, 0xfa, 0xd3, 0x3d, 0x47, 0x5d, 0xb1,
+  0x68, 0xd1, 0x04, 0x08, 0x59, 0xa5, 0x02, 0x81, 0x81, 0x00, 0xe7, 0xc9, 0x3d, 0x5c, 0xdb, 0x01,
+  0x1c, 0xc3, 0x2e, 0x57, 0x07, 0x42, 0xee, 0x26, 0x6f, 0xc6, 0x94, 0xd5, 0xe4, 0x38, 0x3a, 0x23,
+  0xc6, 0x84, 0x54, 0x30, 0x5b, 0x71, 0x4e, 0xf8, 0x55, 0x85, 0x6d, 0x4d, 0x06, 0x42, 0x38, 0x00,
+  0xed, 0x0a, 0x5b, 0x63, 0x8f, 0x93, 0x4a, 0x0a, 0x32, 0x56, 0xfd, 0x43, 0x6e, 0x4a, 0xff, 0x7f,
+  0x19, 0x9a, 0xe1, 0x99, 0xb6, 0x81, 0x9c, 0x53, 0x9a, 0x9b, 0x51, 0x53, 0x90, 0x0d, 0x12, 0xd5,
+  0x4e, 0xe1, 0x8e, 0x2e, 0x03, 0xd5, 0x04, 0x5e, 0x19, 0xe2, 0x27, 0xbb, 0xa7, 0xb8, 0x44, 0x7d,
+  0xc8, 0x9b, 0xb5, 0x2b, 0x5d, 0x51, 0x85, 0xcd, 0xcb, 0xb9, 0x4c, 0x3b, 0x49, 0xfa, 0x1d, 0x60,
+  0x56, 0x2f, 0x4a, 0x94, 0x5c, 0x96, 0xbf, 0xab, 0xc6, 0xcb, 0xeb, 0x87, 0x93, 0x6b, 0x67, 0xe2,
+  0xd0, 0xc6, 0xa2, 0x2e, 0x86, 0x97, 0x40, 0x60, 0x4e, 0xf7, 0x02, 0x81, 0x81, 0x00, 0xe6, 0x30,
+  0x11, 0x32, 0x5e, 0x9b, 0xe7, 0xdb, 0xbb, 0xcb, 0x35, 0x4f, 0x37, 0x90, 0xad, 0x48, 0x15, 0xc6,
+  0x91, 0x40, 0x45, 0x7a, 0xa5, 0x72, 0xca, 0x62, 0x07, 0xb4, 0x00, 0x65, 0xc2, 0xd2, 0x5e, 0x0c,
+  0xe0, 0x48, 0x00, 0xe4, 0x6f, 0x9c, 0x5b, 0xbd, 0xf1, 0xf4, 0x9b, 0x4f, 0xd1, 0xe6, 0xcc, 0xc3,
+  0xd9, 0x36, 0x4a, 0x30, 0x1b, 0x4b, 0xbe, 0xf3, 0x24, 0xb8, 0x63, 0x34, 0x08, 0x8d, 0x08, 0x9b,
+  0xe0, 0x37, 0xf8, 0x3e, 0x1d, 0xc9, 0x45, 0xf7, 0x49, 0x5b, 0x98, 0x0d, 0xa1, 0x77, 0x11, 0x82,
+  0xab, 0xbf, 0x52, 0xc8, 0x42, 0x00, 0x07, 0xb8, 0x1e, 0xbd, 0xfc, 0xaa, 0x17, 0x7b, 0x1c, 0x29,
+  0x87, 0x2f, 0xbd, 0x2f, 0x8e, 0xd2, 0x8e, 0xe1, 0xb9, 0x03, 0xe7, 0xb7, 0x1a, 0x50, 0xe2, 0x29,
+  0xa8, 0xf1, 0xec, 0x39, 0x22, 0xcb, 0xc1, 0x5d, 0x01, 0xa3, 0x45, 0xf6, 0x50, 0x8f, 0x02, 0x81,
+  0x80, 0x44, 0x27, 0x11, 0xd9, 0xe9, 0xb3, 0x4c, 0x07, 0xbf, 0xea, 0x6b, 0x02, 0x2d, 0x10, 0x34,
+  0x31, 0x89, 0xb5, 0xd2, 0xa3, 0x0d, 0xc5, 0x53, 0x2b, 0xb9, 0xad, 0x76, 0x55, 0xbc, 0xc8, 0x9c,
+  0x2c, 0xdd, 0x54, 0x96, 0x90, 0x85, 0xf3, 0x0f, 0xbf, 0xc9, 0xdb, 0x5e, 0x6e, 0x0a, 0x89, 0x31,
+  0x00, 0x0e, 0xfb, 0xf2, 0xc4, 0x2e, 0x97, 0xea, 0xa9, 0x75, 0xc8, 0x42, 0xb7, 0x9d, 0x85, 0x9f,
+  0xa2, 0x27, 0xa9, 0x90, 0x63, 0xa7, 0xb3, 0xfc, 0xbb, 0xa9, 0x98, 0xb2, 0x1b, 0xc2, 0x6b, 0x00,
+  0xe5, 0x54, 0x95, 0x82, 0xdd, 0x55, 0x96, 0x3e, 0x94, 0x3a, 0x13, 0x04, 0x1f, 0x62, 0x5e, 0x7e,
+  0x96, 0x7f, 0x69, 0xb7, 0x78, 0xc9, 0x86, 0x78, 0x10, 0xf3, 0xb6, 0xe7, 0xfa, 0x93, 0x65, 0x28,
+  0xd0, 0xf0, 0xf2, 0x2e, 0x50, 0x98, 0x7d, 0x42, 0xb2, 0x05, 0x21, 0xf5, 0x05, 0x28, 0x32, 0xa9,
+  0x45, 0x02, 0x81, 0x81, 0x00, 0xbb, 0xff, 0x63, 0xfc, 0x24, 0x62, 0xe6, 0xb1, 0x82, 0xa5, 0xcb,
+  0x8b, 0x40, 0x51, 0x6c, 0x04, 0xa4, 0xac, 0x41, 0x33, 0x21, 0xcb, 0xb2, 0x56, 0x97, 0x4e, 0x0b,
+  0x06, 0x8b, 0x10, 0x91, 0x56, 0x28, 0xb4, 0x11, 0x75, 0x1d, 0x2d, 0x74, 0xae, 0x5a, 0x0b, 0x3f,
+  0x12, 0x4c, 0xca, 0x9b, 0x1f, 0x09, 0xfb, 0xa6, 0x6a, 0x7d, 0x9a, 0xde, 0xa0, 0x35, 0x7a, 0xf5,
+  0x71, 0x96, 0xac, 0x07, 0x93, 0xd0, 0x05, 0x26, 0xd1, 0xef, 0x70, 0x23, 0xf9, 0x9f, 0xa8, 0x00,
+  0x84, 0xcb, 0x21, 0xce, 0xce, 0xa5, 0x41, 0x78, 0xad, 0xd0, 0x99, 0x77, 0xb5, 0xf8, 0x97, 0xfa,
+  0x9b, 0xa6, 0x40, 0xf0, 0xde, 0x7e, 0x38, 0xb8, 0x8d, 0x57, 0xd1, 0x00, 0xaf, 0x9d, 0x3c, 0x63,
+  0x53, 0xfa, 0x2a, 0x84, 0x56, 0xac, 0xef, 0xe3, 0x68, 0x7a, 0x4a, 0x8b, 0xcd, 0xa7, 0xc6, 0x23,
+  0x31, 0x4b, 0x51, 0x89, 0xa7, 0x02, 0x81, 0x80, 0x38, 0xdc, 0xdb, 0x2e, 0x32, 0x05, 0xf5, 0x81,
+  0xa7, 0x0a, 0x9d, 0x08, 0x8e, 0x09, 0x0e, 0x33, 0xd2, 0x42, 0xdd, 0x86, 0x13, 0xe5, 0x5f, 0xeb,
+  0xe5, 0xe9, 0xbd, 0x16, 0x21, 0x6e, 0x30, 0x0e, 0xc4, 0x4c, 0x40, 0xac, 0x88, 0xda, 0x11, 0x1b,
+  0xd6, 0x16, 0xd3, 0x3a, 0x61, 0x03, 0x43, 0x02, 0x69, 0xf0, 0x0a, 0xa8, 0xa1, 0xa4, 0x66, 0x14,
+  0xc2, 0x2c, 0x68, 0xc8, 0x43, 0x5d, 0x19, 0x75, 0x4b, 0xee, 0x4f, 0xd3, 0xff, 0xd3, 0x67, 0x47,
+  0x9d, 0x1a, 0xb1, 0x6b, 0x1d, 0x31, 0xd4, 0xa9, 0x71, 0xec, 0x09, 0x87, 0xc9, 0xf8, 0xe2, 0x3b,
+  0xef, 0x6e, 0x9b, 0xd2, 0xa3, 0x5d, 0xcb, 0x27, 0x1c, 0xef, 0xcb, 0x25, 0x36, 0x00, 0x05, 0xfe,
+  0x26, 0xd7, 0xed, 0xa0, 0xb1, 0x7f, 0x1a, 0xdb, 0x4a, 0xd6, 0x0e, 0xb0, 0x06, 0x51, 0xa9, 0x90,
+  0x2c, 0x5a, 0x71, 0xa1, 0xa9, 0xc0, 0x3f, 0xaf
+};
+unsigned int test_server_key_der_len = 1192;