SM2_F_PKEY_SM2_PARAMGEN:277:pkey_sm2_paramgen
SM2_F_PKEY_SM2_SIGN:278:pkey_sm2_sign
SM2_F_SM2_COMPUTE_MSG_HASH:284:SM2_compute_msg_hash
+SM2_F_SM2_COMPUTE_USERID_DIGEST:286:SM2_compute_userid_digest
SM2_F_SM2_DECRYPT:279:SM2_decrypt
SM2_F_SM2_ENCRYPT:280:SM2_encrypt
+SM2_F_SM2_PLAINTEXT_SIZE:287:SM2_plaintext_size
SM2_F_SM2_SIGN:281:SM2_sign
SM2_F_SM2_SIG_GEN:285:SM2_sig_gen
SM2_F_SM2_SIG_VERIFY:282:SM2_sig_verify
SM2_R_UNKNOWN_GROUP:129:unknown group
SM2_R_UNKNOWN_ORDER:114:unknown order
SM2_R_UNSUPPORTED_FIELD:131:unsupported field
+SM2_R_USER_ID_TOO_LARGE:136:user id too large
SM2_R_WRONG_CURVE_PARAMETERS:145:wrong curve parameters
SM2_R_WRONG_ORDER:130:wrong order
SSL_R_APP_DATA_IN_HANDSHAKE:100:app data in handshake