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Tcl Examples

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(Tcl) Get Public Key from Certificate PEM

Loads a certificate from a PEM file and gets the cert's public key.

Chilkat Tcl Extension Downloads

Chilkat Tcl Extension Downloads

load ./chilkat.dll

set cert [new_CkCert]

set success [CkCert_LoadFromFile $cert "qa_data/certs/someCert.pem"]
if {$success != 1} then {
    puts [CkCert_lastErrorText $cert]
    delete_CkCert $cert
    exit
}

# Get the certificate's public key:
# pubkey is a CkPublicKey
set pubkey [CkCert_ExportPublicKey $cert]
if {[CkCert_get_LastMethodSuccess $cert] != 1} then {
    puts [CkCert_lastErrorText $cert]
    delete_CkCert $cert
    exit
}

puts [CkPublicKey_getPem $pubkey 0]

# OK.. we have the public key which can be used in other Chilkat classes/methods...

delete_CkPublicKey $pubkey


delete_CkCert $cert

 

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