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(PHP ActiveX) Duplicate openssl dgst -sha256 -sign private.pem -out sha256.sig in.datDemonstrates how to duplicate this OpenSSL command: openssl dgst -sha256 -sign private.pem -out sha256.sig in.datThe in.dat file can contain text or binary data of any type. The OpenSSL command does the following:
<?php // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.PrivateKey') $pkey = new COM("Chilkat.PrivateKey"); // Load the private key from an PEM file: $success = $pkey->LoadPemFile('private.pem'); if ($success != 1) { print $pkey->LastErrorText . "\n"; exit; } // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.Rsa') $rsa = new COM("Chilkat.Rsa"); // Import the private key into the RSA component: $success = $rsa->ImportPrivateKeyObj($pkey); if ($success != 1) { print $rsa->LastErrorText . "\n"; exit; } // OpenSSL uses big-endian. $rsa->LittleEndian = 0; // Load the file to be signed. // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.BinData') $bdFileData = new COM("Chilkat.BinData"); $success = $bdFileData->LoadFile('in.dat'); // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.BinData') $bdSig = new COM("Chilkat.BinData"); $success = $rsa->SignBd($bdFileData,'sha256',$bdSig); if ($success != 1) { print $rsa->LastErrorText . "\n"; exit; } // Save the binary signature to a file. $success = $bdSig->WriteFile('signature.sig'); if ($success != 1) { print 'Failed to write signature.sig.' . "\n"; exit; } print 'Success.' . "\n"; ?> |
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