(Tcl) Workaround for the deprecated Crypt2.MacBytesENC method

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

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

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load ./chilkat.dll

set crypt [new_CkCrypt2]

# Do HMAC using SHA-256.
CkCrypt2_put_MacAlgorithm $crypt "hmac"
CkCrypt2_put_HashAlgorithm $crypt "sha256"

set keyHex "000102030405060708090A0B0C0D0E0F"
set success [CkCrypt2_SetMacKeyEncoded $crypt $keyHex "hex"]

# Return the HMAC using the lowercase hex encoding.
CkCrypt2_put_EncodingMode $crypt "hex_lower"

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

# ------------------------------------------------------------------------
# The MacBytesENC method is deprecated:

set inData [new_CkByteData]

CkByteData_loadFile $inData $path

set hmac_hex [CkCrypt2_macBytesENC $crypt $inData]
puts "$hmac_hex"

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

set bdIn [new_CkBinData]

CkBinData_LoadFile $bdIn $path

set hmac_hex [CkCrypt2_macBdENC $crypt $bdIn]
puts "$hmac_hex"

delete_CkCrypt2 $crypt
delete_CkByteData $inData
delete_CkBinData $bdIn