},
 };
 
+/*
+ * SM4 test vector taken from the draft RFC
+ * https://tools.ietf.org/html/draft-crypto-sm4-00#ref-GBT.32907-2016
+ */
+
+static const struct cipher_testvec sm4_enc_tv_template[] = {
+       { /* SM4 Appendix A: Example Calculations. Example 1. */
+               .key    = "\x01\x23\x45\x67\x89\xAB\xCD\xEF"
+                         "\xFE\xDC\xBA\x98\x76\x54\x32\x10",
+               .klen   = 16,
+               .input  = "\x01\x23\x45\x67\x89\xAB\xCD\xEF"
+                         "\xFE\xDC\xBA\x98\x76\x54\x32\x10",
+               .ilen   = 16,
+               .result = "\x68\x1E\xDF\x34\xD2\x06\x96\x5E"
+                         "\x86\xB3\xE9\x4F\x53\x6E\x42\x46",
+               .rlen   = 16,
+       }, { /*
+             *  SM4 Appendix A: Example Calculations.
+             *  Last 10 iterations of Example 2.
+             */
+               .key    = "\x01\x23\x45\x67\x89\xAB\xCD\xEF"
+                         "\xFE\xDC\xBA\x98\x76\x54\x32\x10",
+               .klen   = 16,
+               .input  = "\x99\x4a\xc3\xe7\xc3\x57\x89\x6a"
+                         "\x81\xfc\xa8\xe\x38\x3e\xef\x80"
+                         "\xb1\x98\xf2\xde\x3f\x4b\xae\xd1"
+                         "\xf0\xf1\x30\x4c\x1\x27\x5a\x8f"
+                         "\x45\xe1\x39\xb7\xae\xff\x1f\x27"
+                         "\xad\x57\x15\xab\x31\x5d\xc\xef"
+                         "\x8c\xc8\x80\xbd\x11\x98\xf3\x7b"
+                         "\xa2\xdd\x14\x20\xf9\xe8\xbb\x82"
+                         "\xf7\x32\xca\x4b\xa8\xf7\xb3\x4d"
+                         "\x27\xd1\xcd\xe6\xb6\x65\x5a\x23"
+                         "\xc2\xf3\x54\x84\x53\xe3\xb9\x20"
+                         "\xa5\x37\x0\xbe\xe7\x7b\x48\xfb"
+                         "\x21\x3d\x9e\x48\x1d\x9e\xf5\xbf"
+                         "\x77\xd5\xb4\x4a\x53\x71\x94\x7a"
+                         "\x88\xa6\x6e\x6\x93\xca\x43\xa5"
+                         "\xc4\xf6\xcd\x53\x4b\x7b\x8e\xfe"
+                         "\xb4\x28\x7c\x42\x29\x32\x5d\x88"
+                         "\xed\xce\x0\x19\xe\x16\x2\x6e"
+                         "\x87\xff\x2c\xac\xe8\xe7\xe9\xbf"
+                         "\x31\x51\xec\x47\xc3\x51\x83\xc1",
+               .ilen   = 160,
+               .result = "\xb1\x98\xf2\xde\x3f\x4b\xae\xd1"
+                         "\xf0\xf1\x30\x4c\x1\x27\x5a\x8f"
+                         "\x45\xe1\x39\xb7\xae\xff\x1f\x27"
+                         "\xad\x57\x15\xab\x31\x5d\xc\xef"
+                         "\x8c\xc8\x80\xbd\x11\x98\xf3\x7b"
+                         "\xa2\xdd\x14\x20\xf9\xe8\xbb\x82"
+                         "\xf7\x32\xca\x4b\xa8\xf7\xb3\x4d"
+                         "\x27\xd1\xcd\xe6\xb6\x65\x5a\x23"
+                         "\xc2\xf3\x54\x84\x53\xe3\xb9\x20"
+                         "\xa5\x37\x0\xbe\xe7\x7b\x48\xfb"
+                         "\x21\x3d\x9e\x48\x1d\x9e\xf5\xbf"
+                         "\x77\xd5\xb4\x4a\x53\x71\x94\x7a"
+                         "\x88\xa6\x6e\x6\x93\xca\x43\xa5"
+                         "\xc4\xf6\xcd\x53\x4b\x7b\x8e\xfe"
+                         "\xb4\x28\x7c\x42\x29\x32\x5d\x88"
+                         "\xed\xce\x0\x19\xe\x16\x2\x6e"
+                         "\x87\xff\x2c\xac\xe8\xe7\xe9\xbf"
+                         "\x31\x51\xec\x47\xc3\x51\x83\xc1"
+                         "\x59\x52\x98\xc7\xc6\xfd\x27\x1f"
+                         "\x4\x2\xf8\x4\xc3\x3d\x3f\x66",
+               .rlen   = 160
+       }
+};
+
+static const struct cipher_testvec sm4_dec_tv_template[] = {
+       { /* SM4 Appendix A: Example Calculations. Example 1. */
+               .key    = "\x01\x23\x45\x67\x89\xAB\xCD\xEF"
+                         "\xFE\xDC\xBA\x98\x76\x54\x32\x10",
+               .klen   = 16,
+               .input  = "\x68\x1E\xDF\x34\xD2\x06\x96\x5E"
+                         "\x86\xB3\xE9\x4F\x53\x6E\x42\x46",
+               .ilen   = 16,
+               .result = "\x01\x23\x45\x67\x89\xAB\xCD\xEF"
+                         "\xFE\xDC\xBA\x98\x76\x54\x32\x10",
+               .rlen   = 16,
+       }, { /*
+             *  SM4 Appendix A: Example Calculations.
+             *  Last 10 iterations of Example 2.
+             */
+               .key    = "\x01\x23\x45\x67\x89\xAB\xCD\xEF"
+                         "\xFE\xDC\xBA\x98\x76\x54\x32\x10",
+               .klen   = 16,
+               .input  = "\xb1\x98\xf2\xde\x3f\x4b\xae\xd1"
+                         "\xf0\xf1\x30\x4c\x1\x27\x5a\x8f"
+                         "\x45\xe1\x39\xb7\xae\xff\x1f\x27"
+                         "\xad\x57\x15\xab\x31\x5d\xc\xef"
+                         "\x8c\xc8\x80\xbd\x11\x98\xf3\x7b"
+                         "\xa2\xdd\x14\x20\xf9\xe8\xbb\x82"
+                         "\xf7\x32\xca\x4b\xa8\xf7\xb3\x4d"
+                         "\x27\xd1\xcd\xe6\xb6\x65\x5a\x23"
+                         "\xc2\xf3\x54\x84\x53\xe3\xb9\x20"
+                         "\xa5\x37\x0\xbe\xe7\x7b\x48\xfb"
+                         "\x21\x3d\x9e\x48\x1d\x9e\xf5\xbf"
+                         "\x77\xd5\xb4\x4a\x53\x71\x94\x7a"
+                         "\x88\xa6\x6e\x6\x93\xca\x43\xa5"
+                         "\xc4\xf6\xcd\x53\x4b\x7b\x8e\xfe"
+                         "\xb4\x28\x7c\x42\x29\x32\x5d\x88"
+                         "\xed\xce\x0\x19\xe\x16\x2\x6e"
+                         "\x87\xff\x2c\xac\xe8\xe7\xe9\xbf"
+                         "\x31\x51\xec\x47\xc3\x51\x83\xc1"
+                         "\x59\x52\x98\xc7\xc6\xfd\x27\x1f"
+                         "\x4\x2\xf8\x4\xc3\x3d\x3f\x66",
+               .ilen   = 160,
+               .result = "\x99\x4a\xc3\xe7\xc3\x57\x89\x6a"
+                         "\x81\xfc\xa8\xe\x38\x3e\xef\x80"
+                         "\xb1\x98\xf2\xde\x3f\x4b\xae\xd1"
+                         "\xf0\xf1\x30\x4c\x1\x27\x5a\x8f"
+                         "\x45\xe1\x39\xb7\xae\xff\x1f\x27"
+                         "\xad\x57\x15\xab\x31\x5d\xc\xef"
+                         "\x8c\xc8\x80\xbd\x11\x98\xf3\x7b"
+                         "\xa2\xdd\x14\x20\xf9\xe8\xbb\x82"
+                         "\xf7\x32\xca\x4b\xa8\xf7\xb3\x4d"
+                         "\x27\xd1\xcd\xe6\xb6\x65\x5a\x23"
+                         "\xc2\xf3\x54\x84\x53\xe3\xb9\x20"
+                         "\xa5\x37\x0\xbe\xe7\x7b\x48\xfb"
+                         "\x21\x3d\x9e\x48\x1d\x9e\xf5\xbf"
+                         "\x77\xd5\xb4\x4a\x53\x71\x94\x7a"
+                         "\x88\xa6\x6e\x6\x93\xca\x43\xa5"
+                         "\xc4\xf6\xcd\x53\x4b\x7b\x8e\xfe"
+                         "\xb4\x28\x7c\x42\x29\x32\x5d\x88"
+                         "\xed\xce\x0\x19\xe\x16\x2\x6e"
+                         "\x87\xff\x2c\xac\xe8\xe7\xe9\xbf"
+                         "\x31\x51\xec\x47\xc3\x51\x83\xc1",
+               .rlen   = 160
+       }
+};
+
 /*
  * Speck test vectors taken from the original paper:
  * "The Simon and Speck Families of Lightweight Block Ciphers"