golang rsa公钥私钥pem文件生成

funcmain() {

    //rsa 密钥文件产生

    GenRsaKey(1024)

}

//RSA公钥私钥产生

func GenRsaKey(bits int) error {

    // 生成私钥文件

    privateKey, err := rsa.GenerateKey(rand.Reader, bits)

    if err != nil {

        return err

    }

    derStream := x509.MarshalPKCS1PrivateKey(privateKey)

    block := &pem.Block{

        Type:  "RSA PRIVATE KEY",

        Bytes: derStream,

    }

    file, err := os.Create("private.pem")

    if err != nil {

        return err

    }

    err = pem.Encode(file, block)

    if err != nil {

        return err

    }

    // 生成公钥文件

    publicKey := &privateKey.PublicKey

    derPkix, err := x509.MarshalPKIXPublicKey(publicKey)

    if err != nil {

        return err

    }

    block = &pem.Block{

        Type:  "PUBLIC KEY",

        Bytes: derPkix,

    }

    file, err = os.Create("public.pem")

    if err != nil {

        return err

    }

    err = pem.Encode(file, block)

    if err != nil {

        return err

    }

    return nil

}-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----


-----BEGIN PUBLIC KEY-----
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDVuvoH3yDBXhAG7KFk5aaoPKkG
x2PlOfJni/uZgz/oBEgIY38P+frDL42ehjcAn6fIstZGUpZUjxwGSWqWvzA8TX96
4r3cIF6XT60GybDoHYRFmkLuKI3Ba560DKHgCw+0lHn/qiS12IXneSqL508qVo37
TwWl86I+8hy40xyu+wIDAQAB
-----END PUBLIC KEY-----