A Cryptography Project at Codam (42) - Hashing algorithms MD5 SHA1 SHA2

An introduction to cryptographic hashing algorithms. Recode part of the OpenSSL program, specifically the MD5 and SHA-256 hashing algorithms. Complete Subject

This project is tested and runs on MacOS.

Use Evaluation sheet or Test

Functions allowed for use:

open(3)
close(3)
malloc(3)
free(3)
read(2)
write(2)

Project must be written according to the 42 coding standards, the Norme.

Rewrite the following functions:

MD5 SHA256

• -p echo STDIN to STDOUT and append the checksum to STDOUT
• -q output only checksum
• -r reverse the format of the output
• -s "some string" print the sum of the given string

openssl man page

Extra functions: SHA1 SHA224 SHA384 SHA512

• clone repository, go to the cloned directory and run command in terminal:

sh 00_test.sh

or

./ft_ssl command [ command_opts ] [ command_args ]