• SHA-1 (Secure Hash Algorithm 1) is a cryptographic hash function which takes an input and produces a 160-bit (20-byte) hash value. Wiki
• SHA-2 (Secure Hash Algorithm 2) is a set of cryptographic hash functions designed by the United States National Security Agency (NSA). Wiki

nimble install https://github.com/forlan-ua/nim-libsha

git clone https://github.com/forlan-ua/nim-libsha
cd nim-libsh
nimble install

You can use nimble develop instead of nimble install

Clone the repo then:

nimble install nake
cd tests
nake

Look into nakefile.nim for more tests

• SHA1: libsha / sha1
• SHA224: libsha / sha224
• SHA256: libsha / sha256
• SHA384: libsha / sha384
• SHA512: libsha / sha512
• SHA512/224: libsha / sha512m224
• SHA512/256: libsha / sha512m256

import libsha / sha256

let sha = newSha256()
sha.add("The quick brown ")
sha.add("fox jumps over the lazy dog")
echo sha.hexdigest()

or:

import libsha / sha256

echo sha256hexdigest("The quick brown fox jumps over the lazy dog")