(Tcl) Load P7B and List Certificates

Demonstrates how to load a .p7b containing certificates and accesses each individual certificate.

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load ./chilkat.dll

# Unlock the Chilkat API.
# Starting in v9.5.0.49, all Chilkat classes can be unlocked at once at the beginning of a program
# by calling UnlockBundle.  It requires a Bundle unlock code.
set chilkatGlob [new_CkGlobal]

set success [CkGlobal_UnlockBundle $chilkatGlob "Anything for 30-day trial."]
if {$success != 1} then {
    puts [CkGlobal_lastErrorText $chilkatGlob]
    delete_CkGlobal $chilkatGlob
    exit
}

set pem [new_CkPem]

# Load the .p7b from a file.
set success [CkPem_LoadP7bFile $pem "/Users/chilkat/testData/p7b/myCerts.p7b"]
if {$success != 1} then {
    puts [CkPem_lastErrorText $pem]
    delete_CkGlobal $chilkatGlob
    delete_CkPem $pem
    exit
}

set numCerts [CkPem_get_NumCerts $pem]
if {$numCerts == 0} then {
    puts "Error: Expected the .p7b to contain certificates."
    delete_CkGlobal $chilkatGlob
    delete_CkPem $pem
    exit
}

# Access each certificate and show the DN (Distinguished Name)
for {set i 1} {$i <= $numCerts} {incr i} {
    # cert is a CkCert
    set cert [CkPem_GetCert $pem [expr $i - 1]]
    puts "$i: [CkCert_subjectDN $cert]"
    delete_CkCert $cert

}

delete_CkGlobal $chilkatGlob
delete_CkPem $pem