英文:
Signing a string with an RSA key in Python - how can I translate this JavaScript code that uses SubtleCrypto to Python?
问题
我正在尝试使用Python中的RSA密钥对字符串进行签名。我有一个可以正常工作的JavaScript代码，它可以完成这个任务，但现在我需要在Python中使用Python-RSA来复制它。
特别是，这是我需要处理的两个JavaScript调用：
const key = await crypto.subtle.importKey(
'raw',
bytesOfSecretKey,
{ name: 'HMAC', hash: 'SHA-256' },
false,
['sign']);
和
const mac = await crypto.subtle.sign('HMAC', key, bytesOfStringToSign);
其中bytesOfSecretKey只是表示为字节的密钥字符串，而bytesOfStringToSign是我要签名的字符串。任何指导都将不胜感激！
英文:
I am trying to sign a string with an RSA key in Python. I have working JavaScript code that does it, but now I need to replicate it in Python using Python-RSA.
In particular, these are the two JavaScript calls that I need to deal with:
const key = await crypto.subtle.importKey(
'raw',
bytesOfSecretKey,
{ name: 'HMAC', hash: 'SHA-256' },
false,
['sign']);
and
const mac = await crypto.subtle.sign('HMAC', key, bytesOfStringToSign));
where bytesOfSecretKey is just a key string represented as bytes, and bytesOfStringToSign is the string I am signing. Any pointers would be appreciated!
答案1
得分: 1
根据评论者指出，JavaScript 代码使用 HMAC 生成签名。在 Python 中生成十六进制签名的等效代码如下：
import hmac
import hashlib
key = 'SECRET_KEY_STRING'
strToSign = 'STRING_TO_SIGN'
signature = hmac.new(key.encode("utf-8"),
strToSign.encode("utf-8"), hashlib.sha256).hexdigest()
英文:
As pointed out by the commenter, the JavaScript code uses HMAC to generate the signature. In python the equivalent code to generate the hexadecimal signature would be:
import hmac
import hashlib
key = 'SECRET_KEY_STRING'
strToSign = 'STRING_TO_SIGN'
signature = hmac.new(key.encode("utf-8"),
strToSign.encode("utf-8"), hashlib.sha256).hexdigest()
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