CkPython

Compute Glacier SHA256 Tree Hash of a File

See more Amazon Glacier Examples

Computes the Amazon Glacier SHA256 tree hash for a file.

Note: This example requires Chilkat v9.5.0.78 or greater.

CkPython

import chilkat

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

crypt = chilkat.CkCrypt2()

# For more information about Amazon Glacier tree hashes, see Computing Glacier Checksums
# Chilkat added the "sha256-tree-hash" algorithm in v9.5.0.78 to make it easy to compute the Glacier tree hash checksum
# of a file or from bytes in memory.
crypt.put_HashAlgorithm("sha256-tree-hash")

# Return the hash in lowercase hexidecimal format.
crypt.put_EncodingMode("hexlower")

treeHashHex = crypt.hashFileENC("qa_data/jpg/penguins.jpg")
print("SHA256 tree hash = " + treeHashHex)