Update

crypto/include/internal/sm2.h

@@ -0,0 +1,82 @@
+/*
+ * Copyright 2017-2018 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
+ */
+
+#ifndef HEADER_SM2_H
+# define HEADER_SM2_H
+# include <openssl/opensslconf.h>
+
+# ifndef OPENSSL_NO_SM2
+
+#  ifdef __cplusplus
+extern "C" {
+#  endif
+
+#  include <openssl/ec.h>
+
+/* The default user id as specified in GM/T 0009-2012 */
+#  define SM2_DEFAULT_USERID "1234567812345678"
+
+int sm2_compute_userid_digest(uint8_t *out,
+                              const EVP_MD *digest,
+                              const char *user_id, const EC_KEY *key);
+
+/*
+ * SM2 signature operation. Computes ZA (user id digest) and then signs
+ * H(ZA || msg) using SM2
+ */
+ECDSA_SIG *sm2_do_sign(const EC_KEY *key,
+                       const EVP_MD *digest,
+                       const char *user_id, const uint8_t *msg, size_t msg_len);
+
+int sm2_do_verify(const EC_KEY *key,
+                  const EVP_MD *digest,
+                  const ECDSA_SIG *signature,
+                  const char *user_id, const uint8_t *msg, size_t msg_len);
+
+/*
+ * SM2 signature generation. Assumes input is an SM3 digest
+ */
+int sm2_sign(int type, const unsigned char *dgst, int dgstlen,
+             unsigned char *sig, unsigned int *siglen, EC_KEY *eckey);
+
+/*
+ * SM2 signature verification. Assumes input is an SM3 digest
+ */
+int sm2_verify(int type, const unsigned char *dgst, int dgstlen,
+               const unsigned char *sig, int siglen, EC_KEY *eckey);
+
+
+/*
+ * SM2 encryption
+ */
+int sm2_ciphertext_size(const EC_KEY *key, const EVP_MD *digest, size_t msg_len,
+                        size_t *ct_size);
+
+int sm2_plaintext_size(const EC_KEY *key, const EVP_MD *digest, size_t msg_len,
+                       size_t *pt_size);
+
+int sm2_encrypt(const EC_KEY *key,
+                const EVP_MD *digest,
+                const uint8_t *msg,
+                size_t msg_len,
+                uint8_t *ciphertext_buf, size_t *ciphertext_len);
+
+int sm2_decrypt(const EC_KEY *key,
+                const EVP_MD *digest,
+                const uint8_t *ciphertext,
+                size_t ciphertext_len, uint8_t *ptext_buf, size_t *ptext_len);
+
+#  ifdef __cplusplus
+}
+#  endif
+
+# endif /* OPENSSL_NO_SM2 */
+#endif

crypto/include/internal/sm2err.h

@@ -0,0 +1,48 @@
+/*
+ * Generated by util/mkerr.pl DO NOT EDIT
+ * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * 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
+ */
+
+#ifndef HEADER_SM2ERR_H
+# define HEADER_SM2ERR_H
+
+# include <openssl/opensslconf.h>
+
+# ifndef OPENSSL_NO_SM2
+
+#  ifdef  __cplusplus
+extern "C"
+#  endif
+int ERR_load_SM2_strings(void);
+
+/*
+ * SM2 function codes.
+ */
+#  define SM2_F_SM2_COMPUTE_MSG_HASH                       100
+#  define SM2_F_SM2_COMPUTE_USERID_DIGEST                  101
+#  define SM2_F_SM2_DECRYPT                                102
+#  define SM2_F_SM2_ENCRYPT                                103
+#  define SM2_F_SM2_PLAINTEXT_SIZE                         104
+#  define SM2_F_SM2_SIGN                                   105
+#  define SM2_F_SM2_SIG_GEN                                106
+#  define SM2_F_SM2_SIG_VERIFY                             107
+#  define SM2_F_SM2_VERIFY                                 108
+
+/*
+ * SM2 reason codes.
+ */
+#  define SM2_R_ASN1_ERROR                                 100
+#  define SM2_R_BAD_SIGNATURE                              101
+#  define SM2_R_INVALID_DIGEST                             102
+#  define SM2_R_INVALID_DIGEST_TYPE                        103
+#  define SM2_R_INVALID_ENCODING                           104
+#  define SM2_R_INVALID_FIELD                              105
+#  define SM2_R_USER_ID_TOO_LARGE                          106
+
+# endif
+#endif