英文:
Creating JWT signing method for AWS key in Go
问题
我生成了一个使用ECDSA_SHA_512签名算法的ECC_NIST_P521规范密钥。我正在尝试创建一个jwt.SigningMethod，但我不确定应该使用哪些值来填充字段。以下是我目前的代码：
signingMethod := jwt.SigningMethodECDSA {
Name: "ECC_NIST_P521",
Hash: crypto.SHA512,
}
具体来说，我不确定名称是否正确，也不知道KeySize和CurveBits字段应该使用什么值。希望能得到帮助。
英文:
I generated an ECC_NIST_P521 spec key, which uses the ECDSA_SHA_512 signing algorithm. I'm trying to create a jwt.SigningMethod with this in mind, but I'm not sure which values to use for the fields. This is what I have so far:
signingMethod := jwt.SigningMethodECDSA {
Name: "ECC_NIST_P521",
Hash: crypto.SHA512,
}
Specifically, I'm not sure if the name is correct and I don't know what to use for the KeySize and CurveBits fields. Any help would be appreciated.
答案1
得分: 1
你需要指定Hash、CurveBits和KeySize。Name的值将被忽略：
signingMethod := jwt.SigningMethodECDSA{
Name: "ECC_NIST_P521",
Hash: crypto.SHA512,
CurveBits: 521,
KeySize: 66,
}
521位 - 曲线域的大小。
66 - 适合曲线上点的紧凑表示的字节数。
完整的签名和验证签名示例：https://go.dev/play/p/bEnLN2PJv4a
英文:
You need to specify Hash, CurveBits and KeySize. The value of Name is ignored:
signingMethod := jwt.SigningMethodECDSA{
Name: "ECC_NIST_P521",
Hash: crypto.SHA512,
CurveBits: 521,
KeySize: 66,
}
521 bits - the size of curve field.
66 - number of bytes that fit a compact representation of a point on the curve.
Full example to sign and verify signature: https://go.dev/play/p/bEnLN2PJv4a
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