python hash

1import hashlib
2hash_object = hashlib.sha256(b'Hello World')
3hex_dig = hash_object.hexdigest()
4print(hex_dig)
5

1# Hash Function 
2# SHA hash algorithms. 
3
4import hashlib 
5
6# initializing string 
7str = "TYCS"
8
9# encoding TYCS using encode() 
10# then sending to SHA1() 
11result = hashlib.sha1(str.encode()) 
12
13# printing the equivalent hexadecimal value. 
14print("The hexadecimal equivalent of SHA1 is : ") 
15print(result.hexdigest()) 
16
17# encoding TYCS using encode() 
18# then sending to SHA224() 
19result = hashlib.sha224(str.encode()) 
20
21# printing the equivalent hexadecimal value. 
22print("The hexadecimal equivalent of SHA224 is : ") 
23print(result.hexdigest())
24
25# encoding TYCS using encode() 
26# then sending to SHA256() 
27result = hashlib.sha256(str.encode()) 
28
29# printing the equivalent hexadecimal value. 
30print("The hexadecimal equivalent of SHA256 is : ") 
31print(result.hexdigest()) 
32
33# initializing string 
34str = "TYCS"
35
36# encoding TYCS using encode() 
37# then sending to SHA384() 
38result = hashlib.sha384(str.encode()) 
39
40# printing the equivalent hexadecimal value. 
41print("The hexadecimal equivalent of SHA384 is : ") 
42print(result.hexdigest()) 
43
44# initializing string 
45str = "TYCS" 
46
47# initializing string 
48str = "TYCS"
49
50# encoding TYCS using encode() 
51# then sending to SHA512() 
52result = hashlib.sha512(str.encode()) 
53
54# printing the equivalent hexadecimal value. 
55print("The hexadecimal equivalent of SHA512 is : ") 
56print(result.hexdigest())

1import uuid
2import hashlib
3 
4def hash_password(password):
5    # uuid is used to generate a random number
6    salt = uuid.uuid4().hex
7    return hashlib.sha256(salt.encode() + password.encode()).hexdigest() + ':' + salt
8    
9def check_password(hashed_password, user_password):
10    password, salt = hashed_password.split(':')
11    return password == hashlib.sha256(salt.encode() + user_password.encode()).hexdigest()
12 
13new_pass = input('Please enter a password: ')
14hashed_password = hash_password(new_pass)
15print('The string to store in the db is: ' + hashed_password)
16old_pass = input('Now please enter the password again to check: ')
17if check_password(hashed_password, old_pass):
18    print('You entered the right password')
19else:
20    print('I am sorry but the password does not match')
21

1# hash for integer unchanged
2print('Hash for 181 is:', hash(181))
3# hash for decimal
4print('Hash for 181.23 is:',hash(181.23))
5# hash for string
6print('Hash for Python is:', hash('Python'))
7

1from hashlib import blake2b
2import time
3k = str(time.time()).encode('utf-8')
4h = blake2b(key=k, digest_size=16)
5h.hexdigest()

1Hashing implementation at this link:
2
3https://github.com/shreyasvedpathak/Data-Structure-Python/tree/master/Hashing