Overview

Calculate HMAC (Hash-based Message Authentication Code).

Usage

Installation:

pip3 install calc_hmac
# or
python3 -m pip install calc_hmac

Examples

With all options:

calculate_hmac \
   -l 64 \
   -d "sha512" \
   -b "utf-8" \
   -t "stdin" \
   -i "This is the content to be verified." \
   -k "keyhexifnotgeneratingrandomly" \
   -e "hmachexifcomparingvalues"

With defaults:

calculate_hmac \
   -t "stdin" \
   -i "This is the content to be verified." \
   -k "keyhexifnotgeneratingrandomly" \
   -e "hmachexifcomparingvalues"

Example Output

Compare values:

Key: "generatedorspecifiedkeyhex"
Calculated HMAC: "calculatedhmacvalue"
HMAC is valid.

Generate hash:

Key: "generatedorspecifiedkeyhex"
Calculated HMAC: "calculatedhmacvalue"