我正在尝试使用 HMAC SHA256 签名执行签名的 API 请求。
我如何提出签名请求?我无法生成正确的签名:
{"code":-1022,"msg":"Signature for this request is not valid."}
static func binanceAccountSnapshot(timeStamp: Int) {
let semaphore = DispatchSemaphore (value: 0)
let urlWithoutSignature = "https://api.binance.com/sapi/v1/capital/config/getall?timestamp=\(timeStamp)"
let secretString = "aN345refdcx78iygkhbrefdoyilhukB6prefd98uoixjk(api secret)"
let key = SymmetricKey(data: secretString.data(using: .utf8)!)
let signature = HMAC<SHA256>.authenticationCode(for: urlWithoutSignature.data(using: .utf8)!, using: key)
let signatureString = Data(signature).map { String(format: "%02hhx", $0) }.joined()
var request = URLRequest(url: URL(string: "https://api.binance.com/sapi/v1/capital/config/getall?timestamp=\(timeStamp)&signature=\(signatureString)")!,timeoutInterval: Double.infinity)
request.addValue("application/json", forHTTPHeaderField: "Content-Type")
request.addValue("p4t98weflsudichjkxwtrfsduoxhckjnwe8isdokjx(api key)", forHTTPHeaderField: "X-MBX-APIKEY")
request.httpMethod = "GET"
let task = URLSession.shared.dataTask(with: request) { data, response, error in
guard let data = data else {
print(String(describing: error))
semaphore.signal()
return
}
print(String(data: data, encoding: .utf8)!)
semaphore.signal()
}
task.resume()
}
最佳答案
你的代码几乎可以工作,签名的字符串应该只是网址的参数,而不是整个网址(字符串应该只是网址中 ?
之后的那些字符)
static func binanceAccountSnapshot(timeStamp: Int) {
let semaphore = DispatchSemaphore (value: 0)
let params = timestamp=\(timeStamp)
let urlWithoutSignature = "https://api.binance.com/sapi/v1/capital/config/getall?\(params)"
let secretString = "aN345refdcx78iygkhbrefdoyilhukB6prefd98uoixjk(api secret)"
let key = SymmetricKey(data: secretString.data(using: .utf8)!)
let signature = HMAC<SHA256>.authenticationCode(for: params.data(using: .utf8)!, using: key)
let signatureString = Data(signature).map { String(format: "%02hhx", $0) }.joined()
var request = URLRequest(url: URL(string: "https://api.binance.com/sapi/v1/capital/config/getall?timestamp=\(timeStamp)&signature=\(signatureString)")!,timeoutInterval: Double.infinity)
request.addValue("application/json", forHTTPHeaderField: "Content-Type")
request.addValue("p4t98weflsudichjkxwtrfsduoxhckjnwe8isdokjx(api key)", forHTTPHeaderField: "X-MBX-APIKEY")
request.httpMethod = "GET"
let task = URLSession.shared.dataTask(with: request) { data, response, error in
guard let data = data else {
print(String(describing: error))
semaphore.signal()
return
}
print(String(data: data, encoding: .utf8)!)
semaphore.signal()
}
task.resume()
}
关于json - 如何在 Swift 中进行签名 API 调用,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/66921923/