•   almost 12 years ago

Verify Sender Certificate

The Sample code to Verify Sender Certificate on
http://developer.mintchipchallenge.com/devguide/developing/common/message-validation.html uses "openssl_x509_checkpurpose" to check if the Sender's certificate was signed by one of the three MintChip CA certificates. "openssl_x509_checkpurpose" can also return "-1" on an error so the certificate check will not fail on error unless you add a check to see if $res returns -1

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