(Tcl) Load Certificate from PFX (PKCS#12)

Loads a digital certificate (and private key, if available) from a PFX file.(also known as PKCS#12)

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load ./chilkat.dll

set cert [new_CkCert]

# Load from the PFX file
set pfxFilename "/Users/chilkat/testData/pfx/chilkat_ssl_pwd_is_test.pfx"
set pfxPassword "test"

# A PFX typically contains certificates in the chain of authentication.
# The Chilkat cert object will choose the certificate w/
# private key farthest from the root authority cert.
# To access all the certificates in a PFX, use the 
# Chilkat certificate store object instead.
set success [CkCert_LoadPfxFile $cert $pfxFilename $pfxPassword]
if {$success != 1} then {
    puts [CkCert_lastErrorText $cert]
    delete_CkCert $cert
    exit
}

# Get some information about the digital certificate, 
# then get the private key...

# DN = "Distinguished Name"
puts "SubjectDN:[CkCert_subjectDN $cert]"

puts "Common Name:[CkCert_subjectCN $cert]"
puts "Issuer Common Name:[CkCert_issuerCN $cert]"

puts "Serial Number:[CkCert_serialNumber $cert]"

# Now for the private key...
# privKey is a CkPrivateKey

set privKey [CkCert_ExportPrivateKey $cert]
if {[CkCert_get_LastMethodSuccess $cert] == 0} then {
    puts [CkCert_lastErrorText $cert]
    delete_CkCert $cert
    exit
}

# The private key object may be used in any Chilkat methods
# (in other objects/classes) that expect a private key argument.

# In this case, save the private key to a PKCS8 Encrypted PEM format file:
set pemPassword "secret"
set pemPath "/Users/chilkat/testData/pem/chilkat_privKey.pem"
set success [CkPrivateKey_SavePkcs8EncryptedPemFile $privKey $pemPassword $pemPath]
if {$success != 1} then {
    puts [CkPrivateKey_lastErrorText $privKey]
    delete_CkPrivateKey $privKey

    delete_CkCert $cert
    exit
}

delete_CkPrivateKey $privKey

puts "Private key saved to PKCS8 Encrypted PEM..."

delete_CkCert $cert