Argon2

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Argon2
PHC
​spec​
In order to understand hex and type parameters read HASH​
Argon2
​spec​
Description: Password hashing winner of PHC.
Outputs: Variable
Uses: Highest resistance against GPU cracking attacks, safest against side-channel attacks.
How to ???
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import requests
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import json
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import os,binascii
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​
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def sending(message):
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    url = 'http://127.0.0.1:6613/'
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    response=requests.post(url, data=message)
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    print response.content
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        return response.content
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​
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​
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def argon(data_js):
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    req=json.loads(data_js)
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    print "Hash passwd \n " + json.dumps(req) +"\n"
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    data_js_n=sending(json.dumps(req))
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    answ=json.loads(data_js_n)
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    print "Recived Argon2 hash: \n" + (json.dumps(answ)) +"\n\n\n"
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    verify= '{ "version": 1 , "algorithm":"ARGON2" ,"family":"argon2i","plaintext": "Hello world!","hex":0,"pwd":"", "operation":"verify"}';
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    req=json.loads(verify)
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    req["pwd"]=answ["hash"]
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    print "Verify passwd \n " + json.dumps(req) +"\n"
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    data_js_n=sending(json.dumps(req))
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    answ_1=json.loads(data_js_n)
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    print "Recived Argon verification: \n" + (json.dumps(answ_1)) +"\n\n\n"
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​
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​
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argon2_js='{ "version": 1 , "algorithm":"ARGON2" ,"family":"argon2i","plaintext": "Hello world!","t_cost":10,"m_cost":16,"parallelism":4,\
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"salt":"ABABABABABABABABABABABABABABABAB","hashlen":32, "hex":0, "operation":"hash"}'
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​
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argon(argon2_js)
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In this example We generate hash and validate password with argon2i from string Hello world! with t_cost, m_cost, parallelism and salt parameters given.
In order to understand t_cost, m_cost, parallelism and salt parameters, please read spec.
On argon2_js["family"] can be one of {argon2i, argon2d, argon2id}
On argon2_js["operation"] can be {hash, verify}
ARGON2 only supports "type":"string"
Json to hash
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{ "version": 1 , "algorithm":"ARGON2" ,"family":"argon2 flavor",
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"plaintext": "your password","t_cost":INT,"m_cost":INT,"parallelism":INT,
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"salt":"hex string","hashlen":INT, "hex": BOOL, "operation":"hash"}
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Json to verify
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{ "version": 1 , "algorithm":"ARGON2" ,"family":"argon2 flavor",
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"plaintext": "your password","hex":BOOL,"pwd":"Hex (hash arong2 string) ", 
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"operation":"verify"}
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In this tutorial We are protecting user's credentials with TLS and Argon2. It means the information is protected in motion, at rest, in use. End to end user credentials protection​
Hash
Poly1305
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Contents
PHC
Argon2
How to ???