Google pay token decryption, Encrypting and decrypting payloads with multiple PGP keys

Google pay token decryption, To follow this guide, you will need: Google Pay™ Merchant Account: You must be registered as a merchant with Google. Feb 20, 2026 · Note: We recommend that you use the Tink paymentmethodtoken library to decrypt Google Pay tokens, as in the paymentmethodtoken example library. To perform signature verification and message decryption, use the Tink paymentmethodtoken library. Create a new GooglePayTokenDecryptor object and decrypt a token using the decrypt_token method: The payment network returns the appropriate token and cryptogram to the Google Pay service. Aug 17, 2021 · The Google Pay documentation describes the process of verifying and decrypting tokens. Then decrypt using the keys. Encrypting and decrypting payloads with multiple PGP keys. pem file, fetch the Google singing keys and create a new GooglePaymentToken with the token from Google Pay. If you are PCI-compliant you can handle the token decryption and pass raw card details to Adyen. Decryption of Web-safe base64 encoded payloads. Decryption: You use the corresponding private key—configured in Basis Theory—to decrypt and securely tokenize the data. Google creates encrypted payment data using the gateway-specific key that is supplied in the Wallet request and includes it in the Google API response. Feb 19, 2026 · Encryption: When a customer pays, Google encrypts the data using your public key. NET idiomatic library that performs the steps outlined in Payment data cryptography. Google Pay tokenised transactions provide a secure and convenient way for customers to pay using their Google devices. Google also developed a Java library, Tink, which can be used to decrypt these tokens. When customers initiate transactions using Google Pay, their sensitive payment information, such as credit card details, is replaced with a unique token Google Pay tokens let you securely pass the data of your shoppers to a payment service provider, like Adyen, to process payments. Google Pay - payment data cryptography in C# Overview . Note: If you had implemented support for ECv1, your implementation still works. In Google's test environment it is always "merchant:12345678901234567890". Aug 12, 2021 · It should be in the format "merchant:". Decrypting Google Pay™ tokens Learn about Google Pay network-based tokenisation and the available decryption methods. Internally, it relies on Bouncy Castle C# and has no other external To decrypt the token, import the . It supports versions ECv1 and ECv2. PGP public keys provided to Google must have a subkey used for encryption. . Verifying a payload with multiple signatures, any one of which can be the signature with the key provided by Google. Contribute to yoyowallet/google-pay-token-decryption development by creating an account on GitHub. A Python package to decrypt Google Pay tokens. Feb 20, 2026 · This guide provides information on how to generate a public key to request a Google-signed and encrypted payment method token, and details the steps to take to verify and decrypt the token. It allows you to decrypt and verify a PaymentMethodToken object generated by the Google Pay API. Generate your merchant private and public keys by following this documentation. The Google Pay call back returns the encrypted payment data. Signing payloads with multiple PGP keys. This guide applies only to protocolVersion = ECv2. To decrypt the token, import the .


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