utils

Documentation

Index

• Constants
• func DecryptAES256GCM(aesKey, associatedData, nonce, ciphertext string) (plaintext string, err error)
• func DecryptOAEP(ciphertext string, privateKey *rsa.PrivateKey) (message string, err error)
• func EncryptOAEPWithCertificate(message string, certificate *x509.Certificate) (ciphertext string, err error)
• func EncryptOAEPWithPublicKey(message string, publicKey *rsa.PublicKey) (ciphertext string, err error)
• func GenerateNonce() (string, error)
• func GetCertificateSerialNumber(certificate x509.Certificate) string
• func IsCertExpired(certificate x509.Certificate, now time.Time) bool
• func IsCertValid(certificate x509.Certificate, now time.Time) bool
• func LoadCertificate(certificateStr string) (certificate *x509.Certificate, err error)
• func LoadCertificateWithPath(path string) (certificate *x509.Certificate, err error)
• func LoadPrivateKey(privateKeyStr string) (privateKey *rsa.PrivateKey, err error)
• func LoadPrivateKeyWithPath(path string) (privateKey *rsa.PrivateKey, err error)
• func LoadPublicKey(publicKeyStr string) (publicKey *rsa.PublicKey, err error)
• func LoadPublicKeyWithPath(path string) (publicKey *rsa.PublicKey, err error)
• func SignSHA256WithRSA(source string, privateKey *rsa.PrivateKey) (signature string, err error)

Constants

const (
	// NonceSymbols 随机字符串可用字符集
	NonceSymbols = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
	// NonceLength 随机字符串的长度
	NonceLength = 32
)

Functions

func DecryptAES256GCM

func DecryptAES256GCM(aesKey, associatedData, nonce, ciphertext string) (plaintext string, err error)

DecryptAES256GCM 使用 AEAD_AES_256_GCM 算法进行解密

你可以使用此算法完成微信支付平台证书和回调报文解密，详见： https://wechatpay-api.gitbook.io/wechatpay-api-v3/qian-ming-zhi-nan-1/zheng-shu-he-hui-tiao-bao-wen-jie-mi

func DecryptOAEP

func DecryptOAEP(ciphertext string, privateKey *rsa.PrivateKey) (message string, err error)

DecryptOAEP 使用私钥进行解密

func EncryptOAEPWithCertificate

func EncryptOAEPWithCertificate(message string, certificate *x509.Certificate) (ciphertext string, err error)

EncryptOAEPWithCertificate 先解析出证书中的公钥，然后使用公钥进行加密

func EncryptOAEPWithPublicKey

func EncryptOAEPWithPublicKey(message string, publicKey *rsa.PublicKey) (ciphertext string, err error)

EncryptOAEPWithPublicKey 使用公钥进行加密

func GenerateNonce

func GenerateNonce() (string, error)

GenerateNonce 生成一个长度为 NonceLength 的随机字符串（只包含大小写字母与数字）

func GetCertificateSerialNumber

func GetCertificateSerialNumber(certificate x509.Certificate) string

GetCertificateSerialNumber 从证书中获取证书序列号

func IsCertExpired

func IsCertExpired(certificate x509.Certificate, now time.Time) bool

IsCertExpired 判定证书在特定时间是否过期

func IsCertValid

func IsCertValid(certificate x509.Certificate, now time.Time) bool

IsCertValid 判定证书在特定时间是否有效

func LoadCertificate

func LoadCertificate(certificateStr string) (certificate *x509.Certificate, err error)

LoadCertificate 通过证书的文本内容加载证书

func LoadCertificateWithPath

func LoadCertificateWithPath(path string) (certificate *x509.Certificate, err error)

LoadCertificateWithPath 通过证书的文件路径加载证书

func LoadPrivateKey

func LoadPrivateKey(privateKeyStr string) (privateKey *rsa.PrivateKey, err error)

LoadPrivateKey 通过私钥的文本内容加载私钥

func LoadPrivateKeyWithPath

func LoadPrivateKeyWithPath(path string) (privateKey *rsa.PrivateKey, err error)

LoadPrivateKeyWithPath 通过私钥的文件路径内容加载私钥

func LoadPublicKey

func LoadPublicKey(publicKeyStr string) (publicKey *rsa.PublicKey, err error)

LoadPublicKey 通过公钥的文本内容加载公钥

func LoadPublicKeyWithPath

func LoadPublicKeyWithPath(path string) (publicKey *rsa.PublicKey, err error)

LoadPublicKeyWithPath 通过公钥的文件路径加载公钥

func SignSHA256WithRSA

func SignSHA256WithRSA(source string, privateKey *rsa.PrivateKey) (signature string, err error)

SignSHA256WithRSA 通过私钥对字符串以 SHA256WithRSA 算法生成签名信息