27. HMAC

HMAC

Question:

Start Quiz:

import hmac

# Implement the hash_str function to use HMAC and our SECRET instead of md5
SECRET = 'imsosecret'
def hash_str(s):
    ###Your code here

def make_secure_val(s):
    return "%s|%s" % (s, hash_str(s))

def check_secure_val(h):
    val = h.split('|')[0]
    if h == make_secure_val(val):
        return val

User's Answer:

(Note: The answer done by the user is not guaranteed to be correct)

import hmac

# Implement the hash_str function to use HMAC and our SECRET instead of md5
SECRET = 'imsosecret'
def hash_str(s):
    return hmac.new(SECRET, s).digest()

def make_secure_val(s):
    return "%s|%s" % (s, hash_str(s))

def check_secure_val(h):
    val = h.split('|')[0]
    if h == make_secure_val(val):
        return val
Solution: