增加荣耀支付
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60
package/pay/honor/honor.go
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60
package/pay/honor/honor.go
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@@ -0,0 +1,60 @@
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package honor
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import (
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"crypto"
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"crypto/rsa"
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"crypto/sha256"
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"crypto/x509"
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"encoding/base64"
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"encoding/pem"
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"errors"
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)
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type Pay struct {
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PubKey string `json:"pubKey"`
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AppId string `json:"appId"`
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}
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func New() *Pay {
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return &Pay{}
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}
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// VerifyRSASignature 验证RSA数字签名
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// data: 原始数据字节
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// sign: 签名的Base64编码字符串
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// pubKey: PEM格式的公钥字符串
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// 返回验证结果和可能的错误
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func (p *Pay) VerifyRSASignature(data []byte, sign string) (bool, error) {
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// 解码Base64格式的签名
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signBytes, err := base64.StdEncoding.DecodeString(sign)
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if err != nil {
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return false, errors.New("签名解码失败: " + err.Error())
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}
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// 解析PEM格式的公钥
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block, _ := pem.Decode([]byte(p.PubKey))
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if block == nil {
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return false, errors.New("无效的PEM格式公钥")
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}
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// 解析公钥
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publicKey, err := x509.ParsePKIXPublicKey(block.Bytes)
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if err != nil {
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return false, errors.New("公钥解析失败: " + err.Error())
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}
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// 类型断言为公钥
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rsaPubKey, ok := publicKey.(*rsa.PublicKey)
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if !ok {
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return false, errors.New("不是有效的RSA公钥")
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}
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// 计算数据的SHA-256哈希
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hasher := sha256.New()
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hasher.Write(data)
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hash := hasher.Sum(nil)
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// 验证签名
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err = rsa.VerifyPKCS1v15(rsaPubKey, crypto.SHA256, hash, signBytes)
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return err == nil, err
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}
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