The Google Authenticator (GoA) source project is a C library providing a mechanism for creating and using one-time passwords to authenticate access to a service. Google Authenticator uses challenge-response protocols, which are used to generate and verify one-time passwords. GoA does not define the algorithms used, and leaves that choice to the implementations. An implementation may use a symmetric key algorithm, or a cryptographic hash function (more specifically, a one-way function). Many implementations (such as libgost, the BSD-licensed implementation used by the OpenSSH client and server) use a symmetric key algorithm, so they can interoperate with SSH public keys; this is an important motivation for this design. The GoA library provides one-time passcodes as strings of hex digits, but a variety of other formats are possible. The base32 and base64 encodings are commonly used, and it is easy to convert between them. Although the GoA library supports one-time passwords for any type of key exchange, the RFC 6238 PGP key exchange and the RSA-PSS key exchange are typically the most secure. The GoA library also supports generating password reset codes. The GoA library is designed to work with a single service, but multiple services can be used simultaneously. Google Authenticator is an implementation of the Google Authenticator source, designed to work on Windows platforms. The Google Authenticator source project includes implementations of one-time passcode generators for several mobile platforms, as well as a pluggable authentication module (PAM). One-time passcodes are generated using open standards developed by the Initiative for Open Authentication (OATH) (which is unrelated to OAuth) Google Authenticator Description: The Google Authenticator (GoA) source project is a C library providing a mechanism for creating and using one-time passwords to authenticate access to a service. Google Authenticator uses challenge-response protocols, which are used to generate and verify one-time passwords. GoA does not define the algorithms used, and leaves that choice to the implementations. An implementation may use a symmetric key algorithm, or a cryptographic hash function (more specifically, a one-way function). Many implementations (such as libgost, the BSD-licensed implementation used by the OpenSSH client and server) use a symmetric key algorithm, so they can interoperate with SSH public keys; this is an important motivation for this design. The GoA
KEYMACRO Macro includes 12 hash functions (1 – 12) and variables to specify length of input string, number of characters to use for input (it can be any number from 0 to that specified length), and the key to use. KEYMAKE Description: KEYMAKE Macro includes 12 hash functions (1 – 12) and variables to specify length of input string, number of characters to use for input (it can be any number from 0 to that specified length), and the key to use. The OATH.PAYLOAD token is a placeholder for the payload of a one-time passcode request. This token is used only when the Requester handles the request, and is not visible or used by a Substitute request. This token is used only in certain cases to ease API development. Loot; Keep and View Loot; and Get Account Information tokens are used to send sensitive information to Google (which must have the Google+ APIs enabled). The loot tokens and details are sent only to the owner of the account and may not be visible by other users. The loot tokens and details are sent only to the owner of the account and may not be visible by other users. The details of the loot tokens and their lifetime can be changed with changes to the Google+ APIs. Loot; Keep and View Loot; and Get Account Information tokens are used to send sensitive information to Google (which must have the Google+ APIs enabled). The loot tokens and details are sent only to the owner of the account and may not be visible by other users. The loot tokens and details are sent only to the owner of the account and may not be visible by other users. The details of the loot tokens and their lifetime can be changed with changes to the Google+ APIs. POST to to get an access token and refresh token. Use the access token to access G+ on behalf of the user, and the refresh token to get a new access token when needed. If a token expires, the refresh token will be used to get a new access token. The returned credentials will include the access token, the token secret, the OAuth 2.0 client ID, the OAuth 2.0 client secret, and the refresh token. POST to to get an access token, token secret, and refresh token. b78a707d53
Google Authenticator is a free, open source application for creating and using one-time passcodes. Google Authenticator Homepage Google Authenticator Windows Download Edit: The OP also asked for an alternative to Google Authenticator for Windows. There are many of these. My recommendation is the Google Authenticator replacement for Windows called FreeOTP which is well documented and has some benefits over Google Authenticator. A: Google Authenticator is still the only one I use. If you're on a Windows box, you might also consider using the.NET one time password provider for Windows forms (OTP.NET) - which is the same Google Authenticator code (the project is open source), but a.NET library. It has a big advantage over Google Authenticator in that it works with the Windows login dialogs. I used to use a Java version, but I could never get the XML version to work reliably. A: KeepassXC has a nice user interface, and is open source. --- description: "Compiler Error CS0489" title: "Compiler Error CS0489" ms.date: 07/20/2015 f1_keywords: - "CS0489" helpviewer_keywords: - "CS0489" ms.assetid: 66f53b4f-b379-4c9d-8f7c-3a8b6025e9fc --- # Compiler Error CS0489 Cannot serialize an interface to an interface type A type that implements an interface cannot be serialized because it is not [ISerializable](../interfaces/isexternal-in-interface.md). The following sample generates CS0489: ```csharp // Compile error CS0489.cs public interface IMyClass { } public interface IMyClass2 { } public interface IExternalInterface { int Run(string cmd); } public class MyClass : IExternalInterface { public
Google Authenticator is a free, open source application that helps you easily create, store and use one-time passwords (OTPs) securely. Your OTPs are stored on your computer and never leave it, so if it's lost, stolen or destroyed, you can create a new one. Google Authenticator is a pluggable authentication module (PAM) that helps applications authenticate users with any web site, even if that site is behind a firewall. Google Authenticator is designed to work with web services that support the OAuth 1.0 protocol for authenticating an end user, and will work for any application that can authenticate users using OAuth. Google Authenticator doesn't try to be a replacement for other password managers like KeePass or 1Password; it's a tool for managing your OTPs. In addition, it is compatible with the Google Accounts and Google Apps accounts applications. Google Authenticator Tutorials: Google Authenticator Screenshots: Google Authenticator Settings: In order to integrate Google Authenticator with a specific web service, you need to generate a pair of OAuth credentials and add those credentials to your web service. The Google Authenticator URL that is sent to you, will have a query string parameter named 'authenticator-uri'. Google authenticator takes that URL, generates an OTP and a verification code. After the user types their verification code, Google Authenticator will tell you, using the 'authenticator-uri' parameter, whether or not the user's OTP has been verified. It will also tell you if the user needs to be re-authenticated, or if the verification code was invalid. If the verification code is valid, Google Authenticator will redirect the user back to the Google Authenticator URL, with the 'authenticator-uri' parameter, and the user's OTP. Here is an example of the Google Authenticator URL to tell you if a user has been successfully verified: &redirect_uri= Instead of adding the OAuth credential to your web service, you can also use the OAuth tool included with Google Authenticator, and generate a new OAuth credential on the fly. This is the procedure for generating a new OAuth credential, using the Google Authenticator OAuth tool: 1. Go to the Google Authenticator URL that is sent to you when the user successfully verifies their OTP. In this example, the URL would be
Downloads: With the user-friendly web interface and fast downloads, emuTOS 2 is the most efficient tool to download and install the latest updates of emulators and troubleshoot issues. Platform requirements: OS: Windows 10 CPU: Intel Core i5-2500K 3.30 GHz or AMD Phenom II X4 945 GHz RAM: 12 GB Hard disk space: 20 GB Browser: Chrome, Firefox or Internet Explorer Graphics card: ATI Radeon HD 69
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