{
"custNo": "86000123",
"orderNo": "202504001399",
"lang": "zh-CN"
}Last updated
custNo=86000123&lang=zh-CN&orderNo=202504001399custNo=86000123&lang=zh-CN&orderNo=202504001399&time=1742723373000HMAC-SHA256(secretKey, payload)import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import java.nio.charset.StandardCharsets;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.util.*;
public class BlockATMSigner {
public static String generateSignature(Map<String, String> params, long timestamp, String secretKey)
throws NoSuchAlgorithmException, InvalidKeyException {
// 步骤1：按 ASCII 排序参数
Map<String, String> sortedMap = new TreeMap<>(params);
List<String> paramList = new ArrayList<>();
for (Map.Entry<String, String> entry : sortedMap.entrySet()) {
paramList.add(entry.getKey() + "=" + entry.getValue());
}
String sortedParams = String.join("&", paramList);
// 步骤2：拼接时间戳
String payload = sortedParams + "&time=" + timestamp;
// 步骤3：计算 HMAC-SHA256
Mac sha256Hmac = Mac.getInstance("HmacSHA256");
SecretKeySpec secretKeySpec = new SecretKeySpec(
secretKey.getBytes(StandardCharsets.UTF_8),
"HmacSHA256"
);
sha256Hmac.init(secretKeySpec);
byte[] hash = sha256Hmac.doFinal(payload.getBytes(StandardCharsets.UTF_8));
// 转换为十六进制字符串
StringBuilder signature = new StringBuilder();
for (byte b : hash) {
signature.append(String.format("%02x", b));
}
return signature.toString();
}
}import hmac
import hashlib
from urllib.parse import urlencode
def generate_signature(params: dict, timestamp: int, secret_key: str) -> str:
# 步骤1：按 key 排序
sorted_params = sorted(params.items())
query_string = urlencode(sorted_params)
# 步骤2：拼接时间戳
payload = f"{query_string}&time={timestamp}"
# 步骤3：计算 HMAC-SHA256
signature = hmac.new(
secret_key.encode('utf-8'),
payload.encode('utf-8'),
hashlib.sha256
).hexdigest()
return signaturepackage main
import (
"crypto/hmac"
"crypto/sha256"
"encoding/hex"
"fmt"
"sort"
"strings"
)
func generateSignature(params map[string]string, timestamp int64, secretKey string) string {
// 步骤1：按 key 排序
keys := make([]string, 0, len(params))
for k := range params {
keys = append(keys, k)
}
sort.Strings(keys)
// 拼接
var queryParts []string
for _, k := range keys {
queryParts = append(queryParts, fmt.Sprintf("%s=%s", k, params[k]))
}
queryString := strings.Join(queryParts, "&")
// 步骤2：拼接时间戳
payload := fmt.Sprintf("%s&time=%d", queryString, timestamp)
// 步骤3：计算 HMAC-SHA256
h := hmac.New(sha256.New, []byte(secretKey))
h.Write([]byte(payload))
return hex.EncodeToString(h.Sum(nil))
}function generateSignature(array $params, int $timestamp, string $secretKey): string {
// 步骤1：按 key 排序
ksort($params);
$queryString = http_build_query($params);
// 步骤2：拼接时间戳
$payload = $queryString . "&time=" . $timestamp;
// 步骤3：计算 HMAC-SHA256
$signature = hash_hmac('sha256', $payload, $secretKey);
return $signature;
}