diff --git a/crypto/meson.build b/crypto/meson.build
index 95a6a83504..f659fc9035 100644
--- a/crypto/meson.build
+++ b/crypto/meson.build
@@ -38,6 +38,7 @@ crypto_ss.add(when: 'CONFIG_SECRET_KEYRING', if_true: files('secret_keyring.c'))
 crypto_ss.add(when: 'CONFIG_AF_ALG', if_true: files('afalg.c', 'cipher-afalg.c', 'hash-afalg.c'))
 crypto_ss.add(when: gnutls, if_true: files('tls-cipher-suites.c'))
 
+util_ss.add(files('sm4.c'))
 util_ss.add(files('aes.c'))
 util_ss.add(files('init.c'))
 if gnutls.found()
diff --git a/crypto/sm4.c b/crypto/sm4.c
new file mode 100644
index 0000000000..9f0cd452c7
--- /dev/null
+++ b/crypto/sm4.c
@@ -0,0 +1,49 @@
+/*
+ * QEMU crypto sm4 support
+ *
+ * Copyright (C) 2013 - 2018 Linaro Ltd <ard.biesheuvel@linaro.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ */
+
+#include "qemu/osdep.h"
+#include "crypto/sm4.h"
+
+uint8_t const sm4_sbox[] = {
+    0xd6, 0x90, 0xe9, 0xfe, 0xcc, 0xe1, 0x3d, 0xb7,
+    0x16, 0xb6, 0x14, 0xc2, 0x28, 0xfb, 0x2c, 0x05,
+    0x2b, 0x67, 0x9a, 0x76, 0x2a, 0xbe, 0x04, 0xc3,
+    0xaa, 0x44, 0x13, 0x26, 0x49, 0x86, 0x06, 0x99,
+    0x9c, 0x42, 0x50, 0xf4, 0x91, 0xef, 0x98, 0x7a,
+    0x33, 0x54, 0x0b, 0x43, 0xed, 0xcf, 0xac, 0x62,
+    0xe4, 0xb3, 0x1c, 0xa9, 0xc9, 0x08, 0xe8, 0x95,
+    0x80, 0xdf, 0x94, 0xfa, 0x75, 0x8f, 0x3f, 0xa6,
+    0x47, 0x07, 0xa7, 0xfc, 0xf3, 0x73, 0x17, 0xba,
+    0x83, 0x59, 0x3c, 0x19, 0xe6, 0x85, 0x4f, 0xa8,
+    0x68, 0x6b, 0x81, 0xb2, 0x71, 0x64, 0xda, 0x8b,
+    0xf8, 0xeb, 0x0f, 0x4b, 0x70, 0x56, 0x9d, 0x35,
+    0x1e, 0x24, 0x0e, 0x5e, 0x63, 0x58, 0xd1, 0xa2,
+    0x25, 0x22, 0x7c, 0x3b, 0x01, 0x21, 0x78, 0x87,
+    0xd4, 0x00, 0x46, 0x57, 0x9f, 0xd3, 0x27, 0x52,
+    0x4c, 0x36, 0x02, 0xe7, 0xa0, 0xc4, 0xc8, 0x9e,
+    0xea, 0xbf, 0x8a, 0xd2, 0x40, 0xc7, 0x38, 0xb5,
+    0xa3, 0xf7, 0xf2, 0xce, 0xf9, 0x61, 0x15, 0xa1,
+    0xe0, 0xae, 0x5d, 0xa4, 0x9b, 0x34, 0x1a, 0x55,
+    0xad, 0x93, 0x32, 0x30, 0xf5, 0x8c, 0xb1, 0xe3,
+    0x1d, 0xf6, 0xe2, 0x2e, 0x82, 0x66, 0xca, 0x60,
+    0xc0, 0x29, 0x23, 0xab, 0x0d, 0x53, 0x4e, 0x6f,
+    0xd5, 0xdb, 0x37, 0x45, 0xde, 0xfd, 0x8e, 0x2f,
+    0x03, 0xff, 0x6a, 0x72, 0x6d, 0x6c, 0x5b, 0x51,
+    0x8d, 0x1b, 0xaf, 0x92, 0xbb, 0xdd, 0xbc, 0x7f,
+    0x11, 0xd9, 0x5c, 0x41, 0x1f, 0x10, 0x5a, 0xd8,
+    0x0a, 0xc1, 0x31, 0x88, 0xa5, 0xcd, 0x7b, 0xbd,
+    0x2d, 0x74, 0xd0, 0x12, 0xb8, 0xe5, 0xb4, 0xb0,
+    0x89, 0x69, 0x97, 0x4a, 0x0c, 0x96, 0x77, 0x7e,
+    0x65, 0xb9, 0xf1, 0x09, 0xc5, 0x6e, 0xc6, 0x84,
+    0x18, 0xf0, 0x7d, 0xec, 0x3a, 0xdc, 0x4d, 0x20,
+    0x79, 0xee, 0x5f, 0x3e, 0xd7, 0xcb, 0x39, 0x48,
+};
+
diff --git a/include/crypto/sm4.h b/include/crypto/sm4.h
new file mode 100644
index 0000000000..9bd3ebc62e
--- /dev/null
+++ b/include/crypto/sm4.h
@@ -0,0 +1,6 @@
+#ifndef QEMU_SM4_H
+#define QEMU_SM4_H
+
+extern const uint8_t sm4_sbox[256];
+
+#endif
diff --git a/target/arm/crypto_helper.c b/target/arm/crypto_helper.c
index 28a84c2dbd..390020672a 100644
--- a/target/arm/crypto_helper.c
+++ b/target/arm/crypto_helper.c
@@ -15,6 +15,7 @@
 #include "exec/helper-proto.h"
 #include "tcg/tcg-gvec-desc.h"
 #include "crypto/aes.h"
+#include "crypto/sm4.h"
 #include "vec_internal.h"
 
 union CRYPTO_STATE {
@@ -694,41 +695,6 @@ DO_SM3TT(crypto_sm3tt2b, 3)
 
 #undef DO_SM3TT
 
-static uint8_t const sm4_sbox[] = {
-    0xd6, 0x90, 0xe9, 0xfe, 0xcc, 0xe1, 0x3d, 0xb7,
-    0x16, 0xb6, 0x14, 0xc2, 0x28, 0xfb, 0x2c, 0x05,
-    0x2b, 0x67, 0x9a, 0x76, 0x2a, 0xbe, 0x04, 0xc3,
-    0xaa, 0x44, 0x13, 0x26, 0x49, 0x86, 0x06, 0x99,
-    0x9c, 0x42, 0x50, 0xf4, 0x91, 0xef, 0x98, 0x7a,
-    0x33, 0x54, 0x0b, 0x43, 0xed, 0xcf, 0xac, 0x62,
-    0xe4, 0xb3, 0x1c, 0xa9, 0xc9, 0x08, 0xe8, 0x95,
-    0x80, 0xdf, 0x94, 0xfa, 0x75, 0x8f, 0x3f, 0xa6,
-    0x47, 0x07, 0xa7, 0xfc, 0xf3, 0x73, 0x17, 0xba,
-    0x83, 0x59, 0x3c, 0x19, 0xe6, 0x85, 0x4f, 0xa8,
-    0x68, 0x6b, 0x81, 0xb2, 0x71, 0x64, 0xda, 0x8b,
-    0xf8, 0xeb, 0x0f, 0x4b, 0x70, 0x56, 0x9d, 0x35,
-    0x1e, 0x24, 0x0e, 0x5e, 0x63, 0x58, 0xd1, 0xa2,
-    0x25, 0x22, 0x7c, 0x3b, 0x01, 0x21, 0x78, 0x87,
-    0xd4, 0x00, 0x46, 0x57, 0x9f, 0xd3, 0x27, 0x52,
-    0x4c, 0x36, 0x02, 0xe7, 0xa0, 0xc4, 0xc8, 0x9e,
-    0xea, 0xbf, 0x8a, 0xd2, 0x40, 0xc7, 0x38, 0xb5,
-    0xa3, 0xf7, 0xf2, 0xce, 0xf9, 0x61, 0x15, 0xa1,
-    0xe0, 0xae, 0x5d, 0xa4, 0x9b, 0x34, 0x1a, 0x55,
-    0xad, 0x93, 0x32, 0x30, 0xf5, 0x8c, 0xb1, 0xe3,
-    0x1d, 0xf6, 0xe2, 0x2e, 0x82, 0x66, 0xca, 0x60,
-    0xc0, 0x29, 0x23, 0xab, 0x0d, 0x53, 0x4e, 0x6f,
-    0xd5, 0xdb, 0x37, 0x45, 0xde, 0xfd, 0x8e, 0x2f,
-    0x03, 0xff, 0x6a, 0x72, 0x6d, 0x6c, 0x5b, 0x51,
-    0x8d, 0x1b, 0xaf, 0x92, 0xbb, 0xdd, 0xbc, 0x7f,
-    0x11, 0xd9, 0x5c, 0x41, 0x1f, 0x10, 0x5a, 0xd8,
-    0x0a, 0xc1, 0x31, 0x88, 0xa5, 0xcd, 0x7b, 0xbd,
-    0x2d, 0x74, 0xd0, 0x12, 0xb8, 0xe5, 0xb4, 0xb0,
-    0x89, 0x69, 0x97, 0x4a, 0x0c, 0x96, 0x77, 0x7e,
-    0x65, 0xb9, 0xf1, 0x09, 0xc5, 0x6e, 0xc6, 0x84,
-    0x18, 0xf0, 0x7d, 0xec, 0x3a, 0xdc, 0x4d, 0x20,
-    0x79, 0xee, 0x5f, 0x3e, 0xd7, 0xcb, 0x39, 0x48,
-};
-
 static void do_crypto_sm4e(uint64_t *rd, uint64_t *rn, uint64_t *rm)
 {
     union CRYPTO_STATE d = { .l = { rn[0], rn[1] } };
