How can hashes be unique if they are limited in number?
136965
SHA-256 "almost unique"?
20749
Why is SHA-1 considered broken?
95659
Is 512 bits a more secure hashing than 256 bits?
11080
Are common cryptographic hashes bijective when hashing a single block of the same size as the output?
53294
Why can't we reverse hashes?
82195
How do I copy a hash in Ruby?
109037
Differences between hash- and encryption algorithms?
124040
Testing if a hash has any of a number of keys
68610
array_unique for objects?
141226
How can I see if a Perl hash already has a certain key?
58259
Is it possible to deduce the value of a string when given its hash and multiples hashes of the string + other known strings?
150836
Padding in Keccak SHA3 hashing algorithm
5931
Why can't I reverse a hash to a possible input?
99162
Ruby Style: How to check whether a nested hash element exists
89563
Should I use the first or last bits from a SHA-256 hash?
29772
How is uniq not unique enough that there is also uniq --unique?
136478
Hash keys probe and residual