Add the SM4 block cipher from the Chinese standard GB/T 32907-2016.

This is an ISC licensed version based on the sources by Ribose Inc
that were ported to OpenSSL in 2017.

Patch from Daniel Wyatt with minor tweaks.
ok inoguchi, jsing

1 files changed, 11 insertions, 1 deletions

diff --git a/src/lib/libcrypto/evp/c_all.c b/src/lib/libcrypto/evp/c_all.c
index 5ed55f67f6..cce3640866 100644
--- a/src/lib/libcrypto/evp/c_all.c
+++ b/src/lib/libcrypto/evp/c_all.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: c_all.c,v 1.24 2018/12/26 15:11:04 tb Exp $ */
+/* $OpenBSD: c_all.c,v 1.25 2019/03/17 17:42:37 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -227,6 +227,16 @@ OpenSSL_add_all_ciphers_internal(void)
         EVP_add_cipher(EVP_gost2814789_cfb64());
         EVP_add_cipher(EVP_gost2814789_cnt());
 #endif
+
+#ifndef OPENSSL_NO_SM4
+        EVP_add_cipher(EVP_sm4_ecb());
+        EVP_add_cipher(EVP_sm4_cbc());
+        EVP_add_cipher(EVP_sm4_cfb());
+        EVP_add_cipher(EVP_sm4_ofb());
+        EVP_add_cipher(EVP_sm4_ctr());
+        EVP_add_cipher_alias(SN_sm4_cbc, "SM4");
+        EVP_add_cipher_alias(SN_sm4_cbc, "sm4");
+#endif
 }
 
 void