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since ‎Apr-17-2023
ChristofMoser
ChristofMoser
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Re: PHP REST API webhook verification not successf...

by ChristofMoser in REST APIs
‎Apr-17-2023 07:41 AM
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‎Apr-17-2023 07:41 AM
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Hey, it looks like you were very close.   This is how i solved that problem: $success = ( openssl_verify( data: implode(separator: '|', array: [ $httpPayPalTransmissionId, $httpPayPalTransmissionTime, $webhookID, crc32(string: $rawRequestBody), ]), signature: base64_decode(string: $httpPayPalTransmissionSignature), public_key: openssl_pkey_get_public(public_key: file_get_contents(filename: $httpPayPalCertUrl)), algorithm: 'sha256WithRSAEncryption' ) === 1 ); ... View more
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