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(Tcl) Generate an RSA Key and Get as Base64 DERDemonstrates how to generate a 2048-bit RSA key and return the public and private parts as unencrypted Base64 encoded DER. Note: This example requires Chilkat v11.0.0 or greater.
load ./chilkat.dll set success 0 # This example assumes the Chilkat API to have been previously unlocked. # See Global Unlock Sample for sample code. set rsa [new_CkRsa] # Generate a 2048-bit key. set privKey [new_CkPrivateKey] set success [CkRsa_GenKey $rsa 2048 $privKey] if {$success == 0} then { puts [CkRsa_lastErrorText $rsa] delete_CkRsa $rsa delete_CkPrivateKey $privKey exit } # Get the public part of the key. set pubKey [new_CkPublicKey] CkPrivateKey_ToPublicKey $privKey $pubKey # There are two possible formats for representing the RSA public key # in ASN.1 (DER). The possible formats are PKCS1 and PKCS8. # We can get either by setting bChoosePkcs1 to 1 or 0. set bChoosePkcs1 1 set pubKeyBase64Der [CkPublicKey_getEncoded $pubKey $bChoosePkcs1 "base64"] puts "Public Key Base64 DER:" puts "$pubKeyBase64Der" # Get the private key as Base64 DER: # We can get PKCS1 or PKCS8, but with different methods: set privKeyPkcs1 [CkPrivateKey_getPkcs1ENC $privKey "base64"] puts "Private Key PKCS1 Base64 DER:" puts "$privKeyPkcs1" set privKeyPkcs8 [CkPrivateKey_getPkcs8ENC $privKey "base64"] puts "Private Key PKCS8 Base64 DER:" puts "$privKeyPkcs8" delete_CkRsa $rsa delete_CkPrivateKey $privKey delete_CkPublicKey $pubKey |
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