Dha*_*bhi 5 signature crypto++ ios swift xcode11.5
我确实使用下面的代码生成了一个签名,但是,我想要一个 IEEE P1336(长度 80)格式的签名
guard let signData = SecKeyCreateSignature(
key,
SecKeyAlgorithm.ecdsaSignatureMessageX962SHA256,
signatureString.data(using: .utf8)! as CFData, &error) else {
let e = error!.takeRetainedValue() as Error
print("Signing Error \( e.localizedDescription)")
return nil
}
let signedData = signData as Data
let signedString = signedData.base64EncodedString(options: [])
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