Fix Remote Bolus OTP validation on Authy#19
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gestrich
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Apr 16, 2022
| @@ -70,7 +70,8 @@ public class OTPManager { | |||
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| private var secretStore: OTPSecretStore | |||
| private var nowDateSource: () -> Date | |||
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The fix: Changing SHA512 -> SHA1
Also adding "Issuer" as a property for reuse.
gestrich
commented
Apr 16, 2022
| @@ -143,7 +144,7 @@ public class OTPManager { | |||
| } | |||
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| let generator = Generator(factor: .timer(period: TimeInterval(self.tokenPeriod)), secret: secretKeyData, algorithm: algorithm, digits: passwordDigitCount)! | |||
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Use property and get rid of unnecessary string interpolation.
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SquareTheBase
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Apr 17, 2022
pbipin74
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Jul 1, 2026
Add APNS response feature with JWT management and secure messaging
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Remote bolus OTP validation was failing on Authy and possibly some other OTP clients. I was specifying the SHA512 algorithm for generating a QR code. The Google Authenticator spec, which I think these OTP standards were derived from, allows either {sha1, sha256, sha512}. However, it seems that Authy only supports SHA1. Some more background is here. Apparently this issue has been around for a long time.