将JSON公钥/私钥对转换为rsa.PrivateKey和rsa.PublicKey

泽德·布莱德

如标题所示,我有一个基于https://mkjwk.org/生成的JSON文件,现在我想使用生成的值对JWT进行签名。我将为多个“客户端”执行此操作,每个“客户端”都有自己的签名。然后,将针对包含不同“客户端”的公共密钥的一组JWKS进行验证。

但是,我正在努力了解如何使用生成的JSON值。

我知道我可以直接在crypto/rsa模块中生成一个priv / pub密钥我也看到了一些示例,其中ppk以X509格式作为输入提供,尽管我试图尽可能避免使用它(我想我只是挑剔,因为我更希望能够读取文件的内容而不是读取文件的内容看到随机字符。)

从我完成的多个示例和大量搜索中,我还没有看到执行json文件并生成rsa.privateKey的过程。我还使用jwt-gojwx模块来处理其余的用例,但是这个逃避了我。

那么,我想念什么?如何从下面的JSON转换为rsa.PrivateKey

{
    "p": "vQXloZI9y5..._PPE6m05J-VqhIF6-FQjvwc",
    "kty": "RSA",
    "q": "u1OqnCCLyEZDMoSfK...SfcIGNSd90PEcPs",
    "d": "eoAj0Z0PkK3A0pc5t...9Q8iqGntoxMVARBtQ",
    "e": "AQAB",
    "use": "sig",
    "kid": "r9cuFC3...HiAc7VhSME",
    "qi": "upOjfCF_na...H4a7Bs2pWGoS6w5mcqXU",
    "dp": "HKGzCclEEP...GdofDVR5Yas",
    "alg": "RS256",
    "dq": "PDyRNhc5G7OMVChVTm61kn2ShRFTe...BLytOxGBm5ntJv4V0HRBU",
    "n": "ilEVn6tSuh7-tZBV8qXmlvzWDE5jTS...sNH8-wPf6gKCuZzEyyS2AyZE8S4NzqoFkaepVpdoOPtb3Q"
}

谢谢

jps

JWX包有一个函数来分析一个JWK:

func ParseString(s string)

您可以使用它来解析JWK,如下所示:

package main

import(
  "log"

  "github.com/lestrrat-go/jwx/jwk"
  "github.com/lestrrat-go/jwx/jws"
  "github.com/lestrrat-go/jwx/jwa"
)

func main() {

  var keysJWK = `{
    "keys": [
        {
            "p": "59pSssPVWNBMd1dFBhkSx0P6uo3b3WC2MOitj7UI-9VS9gKPbPsqtDJSPdbRjK7JWXarFt_h4aPf9NPFLieu1k22jp3ProCH87geazJ8tNtV_SpaUtWQFZ-dvgGrIM-3MLf_fG7Tq5sV5R0vA9wg_INkYJ2uX5EdmVyHhxvh0eM",
            "kty": "RSA",
            "q": "jeofLDkteXfWcpif3JmX3xv8S6jWX2Axrwe9tLkWzlgxYDWvXExxD0sc4XfbVbSrqTkAdW48DYL_wcziFLYHxOYv2stqWvElF9CqdKJJrQAc7Z_qKXpWckDYZBJAO9W2WGXTBfdJfw_KQPHHTbY90ngdxMXuiwYbfbFY4H_XDM0",
            "d": "Qrx8U40tLhsy4tdnKuEmjlGF-VkB6F_DawLXwuZ2a5ZS7cwFUDRHNz9Jbl9MxvNcNMSMGaAN8lxTSDlpfT0jDqKF6lel88rUtCnN6h1FNdkD5TjkbWs-dfhftDFc1Sy8RdWPZ8LiTo0TbZaf3rPvdLw_S9FE-itnKV_1il572rT-1PvlyrPctnREQCKL5wArD4eYHwRjfVm-KvlIvo9rLj4NYzATBAAwh6PsEnSganEf1ErOvFH8qhrVqsy2kevLsFbCA0hIfoDNhL7hxlaMSJTJie3V2Ie0Kb7j_L2LsQXka3kshO1T6re-d-nGgaRp7b0buUtwS6aTax0H2cZuOQ",
            "e": "AQAB",
            "use": "sig",
            "kid": "223",
            "qi": "moGHNM3TFLeSQeM6V4izMcK6wwapSwo67r7DXk7vK_2FaSUQtijwQCHFx3nrhbQAVdwFt7pSYlmlFPlaAXixrBBNtNULnR7z6-WrRuWgqoL9LN8xARB42l94HmiOL0pp8ORyw2W338k3LHuzUy1NKZrL6a8zPIkva_Z5hFULhQE",
            "dp": "TcUm3j3gL3VXYOSOC5iXeu2ria4R5PUOx-MUbNLd25NXy5taPsUVMvJ6MbIAAj-S3IZ4pyib3RMaCUaLqoq3E71nkfkPc8o7UB4fXffGaufztQLi30wxk39B6z0mCNCD8zyU30lRiQtxUbPzVEkfa3QrVFkv53CGzC2EbGaG3d8",
            "alg": "RS256",
            "dq": "L1emNJOShw4iXTJrSiV3E7f7T6YwdbraeECF2c9RO18Sgb0HFixuHyL4rILWid3u0lIww_wVTpCgD5_w3-Xl65q65iur_FCsBijXZHdrSqpZ_C-350RnqE_XoHKyOQPPg-fcIQZg32F-IHJIAbXFI_xsOeOp83kDHMhYFPSw4hU",
            "n": "gIdJV4qWKyt3wkS66yBG5Ii9ew-eofuPU49TjlRIU5Iu5jX2mRMoHdcI7V78iKYSQHKYxz17cqzQyERxKnEiDgy_gwouStRgvPdm3H4rq__7p0t15SunsG2T1rEVf0sZEDnQ5qRkm7iqs6ZG1NqqIUtnOTd1Pd1MhbEqeENFtaPHvN37eZL82WmsQlJviFH4I9iZQVR_QT4GREQlRro8IjJTaloUyeDQTOQ-4ll1-4-g_ug2tZ-s9xleLzl5L9ZKSVJFhtMLn8WGaVldagarwa7kMLfuiVe8B5Lr7poQa4NCAR54ECPWoOHrABdPZKrkkxjVypTXUzL5cPzmzFC2xw"
        }
    ]
  }`


  set, err := jwk.ParseString(keysJWK )
  if err != nil {
    log.Printf("failed to parse JWK: %s", err)
    return
  }
  
  rsaPrivatekey := set.Keys[0]

  
  token, err := jws.Sign([]byte(`{"userId":1}`), jwa.RS256, rsaPrivatekey)
  if err != nil {
    log.Printf("failed to created JWS message: %s", err)
    return
  }
  log.Printf("Token! -> %s", token)
 
}

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