zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libssl/openssl-1.1.1o/crypto/evp/e_sm4.c b/ap/lib/libssl/openssl-1.1.1o/crypto/evp/e_sm4.c
new file mode 100644
index 0000000..fce3279
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/crypto/evp/e_sm4.c
@@ -0,0 +1,100 @@
+/*
+ * Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2017 Ribose Inc. All Rights Reserved.
+ * Ported from Ribose contributions from Botan.
+ *
+ * Licensed under the OpenSSL license (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 "internal/cryptlib.h"
+#ifndef OPENSSL_NO_SM4
+# include <openssl/evp.h>
+# include <openssl/modes.h>
+# include "crypto/sm4.h"
+# include "crypto/evp.h"
+
+typedef struct {
+ SM4_KEY ks;
+} EVP_SM4_KEY;
+
+static int sm4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+ const unsigned char *iv, int enc)
+{
+ SM4_set_key(key, EVP_CIPHER_CTX_get_cipher_data(ctx));
+ return 1;
+}
+
+static void sm4_cbc_encrypt(const unsigned char *in, unsigned char *out,
+ size_t len, const SM4_KEY *key,
+ unsigned char *ivec, const int enc)
+{
+ if (enc)
+ CRYPTO_cbc128_encrypt(in, out, len, key, ivec,
+ (block128_f)SM4_encrypt);
+ else
+ CRYPTO_cbc128_decrypt(in, out, len, key, ivec,
+ (block128_f)SM4_decrypt);
+}
+
+static void sm4_cfb128_encrypt(const unsigned char *in, unsigned char *out,
+ size_t length, const SM4_KEY *key,
+ unsigned char *ivec, int *num, const int enc)
+{
+ CRYPTO_cfb128_encrypt(in, out, length, key, ivec, num, enc,
+ (block128_f)SM4_encrypt);
+}
+
+static void sm4_ecb_encrypt(const unsigned char *in, unsigned char *out,
+ const SM4_KEY *key, const int enc)
+{
+ if (enc)
+ SM4_encrypt(in, out, key);
+ else
+ SM4_decrypt(in, out, key);
+}
+
+static void sm4_ofb128_encrypt(const unsigned char *in, unsigned char *out,
+ size_t length, const SM4_KEY *key,
+ unsigned char *ivec, int *num)
+{
+ CRYPTO_ofb128_encrypt(in, out, length, key, ivec, num,
+ (block128_f)SM4_encrypt);
+}
+
+IMPLEMENT_BLOCK_CIPHER(sm4, ks, sm4, EVP_SM4_KEY, NID_sm4,
+ 16, 16, 16, 128, EVP_CIPH_FLAG_DEFAULT_ASN1,
+ sm4_init_key, 0, 0, 0, 0)
+
+static int sm4_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len)
+{
+ unsigned int num = EVP_CIPHER_CTX_num(ctx);
+ EVP_SM4_KEY *dat = EVP_C_DATA(EVP_SM4_KEY, ctx);
+
+ CRYPTO_ctr128_encrypt(in, out, len, &dat->ks,
+ EVP_CIPHER_CTX_iv_noconst(ctx),
+ EVP_CIPHER_CTX_buf_noconst(ctx), &num,
+ (block128_f)SM4_encrypt);
+ EVP_CIPHER_CTX_set_num(ctx, num);
+ return 1;
+}
+
+static const EVP_CIPHER sm4_ctr_mode = {
+ NID_sm4_ctr, 1, 16, 16,
+ EVP_CIPH_CTR_MODE,
+ sm4_init_key,
+ sm4_ctr_cipher,
+ NULL,
+ sizeof(EVP_SM4_KEY),
+ NULL, NULL, NULL, NULL
+};
+
+const EVP_CIPHER *EVP_sm4_ctr(void)
+{
+ return &sm4_ctr_mode;
+}
+
+#endif