(Tcl) Workaround for the deprecated Crypt2.OpaqueSignBytes method

Shows how to replace the deprecated OpaqueSignBytes method. (Chilkat is moving away from the use of CkByteData.)

Note: This example requires Chilkat v11.0.0 or greater.

Chilkat Tcl Extension Downloads Chilkat Tcl Extension Downloads

load ./chilkat.dll

set crypt [new_CkCrypt2]

set cert [new_CkCert]

# ...
# Load the cert from a source such as a .pfx/.p12 file, smart card, USB token, Apple keychain, Windows certificate store, etc.
# 
set success [CkCrypt2_SetSigningCert $crypt $cert]

# ...
# ...
# ...

set path "c:/someDir/example.dat"

# ------------------------------------------------------------------------
# The OpaqueSignBytes method is deprecated:

set inData [new_CkByteData]

CkByteData_loadFile $inData $path

set outData [new_CkByteData]

set success [CkCrypt2_OpaqueSignBytes $crypt $inData $outData]

# ------------------------------------------------------------------------
# Workaround.
# (Chilkat is moving away from using CkByteData)

set bd [new_CkBinData]

CkBinData_LoadFile $bd $path

# If successful, the contents of bd are replaced with the PKCS#7 signed-data.
set success [CkCrypt2_OpaqueSignBd $crypt $bd]

delete_CkCrypt2 $crypt
delete_CkCert $cert
delete_CkByteData $inData
delete_CkByteData $outData
delete_CkBinData $bd