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(Perl) RSA Signature using Private Key from .snk FileSee more RSA ExamplesA .snk file (Strong Name Key file) is a file format used in the .NET ecosystem to store an RSA public/private key pair. This key pair is typically used for strong-naming assemblies, which is a process of signing .NET assemblies to ensure their integrity and to uniquely identify them.This example loads a private key from a .snk file and creates an RSA signature.
use chilkat(); $rsa = chilkat::CkRsa->new(); # Load the .snk and return the private key as XML. $xmlStr = $rsa->snkToXml("./test.snk"); if ($rsa->get_LastMethodSuccess() == 0) { print $rsa->lastErrorText() . "\r\n"; exit; } $success = $rsa->ImportPrivateKey($xmlStr); if ($success == 0) { print $rsa->lastErrorText() . "\r\n"; exit; } # Sign the SHA-256 hash of the utf-8 byte representation of the contents of sb # Return the signature in base64 format. $rsa->put_EncodingMode("base64"); $rsa->put_Charset("utf-8"); $sigBase64 = $rsa->signStringENC("This is the text to be hashed and signed.","sha256"); if ($rsa->get_LastMethodSuccess() == 0) { print $rsa->lastErrorText() . "\r\n"; exit; } print "RSA signature as base64: " . $sigBase64 . "\r\n"; |
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