Add sm4 ciphers to default provider

[thirdparty/openssl.git] / providers / default / ciphers / cipher_sm4_hw.c

diff --git a/providers/default/ciphers/cipher_sm4_hw.c b/providers/default/ciphers/cipher_sm4_hw.c
new file mode 100644 (file)
index 0000000..9ecaf0b
--- /dev/null
+++ b/providers/default/ciphers/cipher_sm4_hw.c
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include "cipher_sm4.h"
+
+static int cipher_hw_sm4_initkey(PROV_CIPHER_CTX *ctx,
+                                 const unsigned char *key, size_t keylen)
+{
+    PROV_SM4_CTX *sctx =  (PROV_SM4_CTX *)ctx;
+    SM4_KEY *ks = &sctx->ks.ks;
+
+    SM4_set_key(key, ks);
+    ctx->ks = ks;
+    if (ctx->enc
+            || (ctx->mode != EVP_CIPH_ECB_MODE
+                && ctx->mode != EVP_CIPH_CBC_MODE))
+        ctx->block = (block128_f)SM4_encrypt;
+    else
+        ctx->block = (block128_f)SM4_decrypt;
+    return 1;
+}
+
+# define PROV_CIPHER_HW_sm4_mode(mode)                                         \
+static const PROV_CIPHER_HW sm4_##mode = {                                     \
+    cipher_hw_sm4_initkey,                                                     \
+    cipher_hw_chunked_##mode                                                   \
+};                                                                             \
+const PROV_CIPHER_HW *PROV_CIPHER_HW_sm4_##mode(size_t keybits)                \
+{                                                                              \
+    return &sm4_##mode;                                                        \
+}
+
+PROV_CIPHER_HW_sm4_mode(cbc)
+PROV_CIPHER_HW_sm4_mode(ecb)
+PROV_CIPHER_HW_sm4_mode(ofb128)
+PROV_CIPHER_HW_sm4_mode(cfb128)
+PROV_CIPHER_HW_sm4_mode(ctr)