86 lines
2.5 KiB
Go
86 lines
2.5 KiB
Go
package controller
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import (
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"crypto/rand"
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"crypto/rsa"
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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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"fmt"
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"testing"
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)
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// 私钥生成
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// openssl genrsa -out rsa_private_key.pem 1024
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var privateKey = []byte(`
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-----BEGIN RSA PRIVATE KEY-----
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MIICXgIBAAKBgQDlQ1WoxfQUmNHKFQiRLSq7Bu+vUHV4UIpEf6qgJ1m9ExIAsTGT
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BVu5v4U1A8Z1uprov2vb+a6XA1I61liZ0Z7aaYDr8IhY/wuktmNLxqIkzE3Vhvk/
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TGJIkLC8RUYxnzyIgGK4UuzfOj1S/o2ymjZo44+sBXEhAF+PWgpqFVtewwIDAQAB
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AoGBAOS11qdmy0cc6PSDJSfG+kDX+5ZWWsnq9vS8s5fPicuAUc5U9pKnnsjf0eCA
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YqShwtX72Hr7S3ulOYwutvbEUoXHMC7dVLmAaoby86A7lJYaDABbKN13PFMwIvGi
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lcQCqxTzz0Uvd5Jx3QettIBjNOi/rfa2ZNLcCn2uPU5cEdM5AkEA/UxTgFOdIWPN
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WdMeBDw1aXjSGgpVRFhLbBmVfpdi63l6CZbANu14D9ljaF2/XViM4ynOb+n0rca0
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toJLdm0+bwJBAOe1YF1NjUDtsdYSH0RNyOSXfUqClPfFOIuPKxvPnTn8R/AnLAwc
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51iQx4vldXYFnW1vBc7WyOTBI5+PsqtZju0CQQDMCgfZf4E7vGFW0jGDx9xesezM
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/TXicB2RXqqF5vzQInKj9sOve2sTmVHyaFIWp5YWBz8794IZ2c8IlbykESwRAkEA
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38gl1Jb0yHOIoMaJ2g8B6fyBLjglpZKdhPP133tJT1pfJArBGMXFjZzujCdFpYHQ
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xINIaba4+W2reQxws9rgFQJAPOB0/ymfTRDNgKZBB/MFHQcRA4z3L591lwEFN9Bl
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qE6UU5JMf5egQk1A9kyz1RIXaEC+L2LTi9TiWoy+XxGrAg==
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-----END RSA PRIVATE KEY-----
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`)
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// 公钥: 根据私钥生成
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// openssl rsa -in rsa_private_key.pem -pubout -out rsa_public_key.pem
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var publicKey = []byte(`
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-----BEGIN PUBLIC KEY-----
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MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDlQ1WoxfQUmNHKFQiRLSq7Bu+v
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UHV4UIpEf6qgJ1m9ExIAsTGTBVu5v4U1A8Z1uprov2vb+a6XA1I61liZ0Z7aaYDr
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8IhY/wuktmNLxqIkzE3Vhvk/TGJIkLC8RUYxnzyIgGK4UuzfOj1S/o2ymjZo44+s
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BXEhAF+PWgpqFVtewwIDAQAB
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-----END PUBLIC KEY-----
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`)
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// 加密
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func RsaEncrypt(origData []byte) ([]byte, error) {
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//解密pem格式的公钥
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block, _ := pem.Decode(publicKey)
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if block == nil {
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return nil, errors.New("public key error")
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}
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// 解析公钥
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pubInterface, err := x509.ParsePKIXPublicKey(block.Bytes)
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if err != nil {
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return nil, err
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}
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// 类型断言
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pub := pubInterface.(*rsa.PublicKey)
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//加密
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return rsa.EncryptPKCS1v15(rand.Reader, pub, origData)
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}
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// 解密
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func RsaDecrypt(ciphertext []byte) ([]byte, error) {
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//解密
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block, _ := pem.Decode(privateKey)
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if block == nil {
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return nil, errors.New("private key error!")
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}
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//解析PKCS1格式的私钥
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priv, err := x509.ParsePKCS1PrivateKey(block.Bytes)
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if err != nil {
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return nil, err
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}
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// 解密
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return rsa.DecryptPKCS1v15(rand.Reader, priv, ciphertext)
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}
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func TestGen(t *testing.T) {
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data, _ := RsaEncrypt([]byte("李旺林"))
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//fmt.Println(string(data))
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fmt.Println(base64.StdEncoding.EncodeToString(data))
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origData, _ := RsaDecrypt(data)
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fmt.Println(string(origData))
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}
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