hash Questions
4
I am trying to calculate the MAC using
Cryptographic checksums are calculated using ISOIEC 9797-1 MAC
algorithm 3 with block cipher DES, zero IV (8 bytes), and 1S09797-1
padding method 2. The MAC ...
Causation asked 1/12, 2013 at 13:31
1
As pointed out in answers to Generic hash for tuples in unordered_map / unordered_set and elsewhere, Boost has an implementation of boost::hash<tuple<string, string>>.
So, we can do thi...
3
Solved
How can I calculate NTLM hash of a passowrd in python? Is there any library or sample code?
I want it for writing a NTLM brute force tools with python (Like Cain & Abel )
2
Solved
I have had numerous cases where I need access to a decent hashing algorithm in C#, from overriding GetHashCode to performing quick comparisons/lookups against data.
I have found the FNV hash to be...
3
Solved
I am having trouble understanding how the rolling hash algorithm works after the hash has been reduced to modulus value by dividing by a prime number.
Consider the sequence of 5 digits in the numb...
Myers asked 23/4, 2016 at 17:26
2
I am a bit confused about bcrypt usage in VueJS ...
I am working on a sample application with VueJS as FE and NodeJS as BE (+ Postgres as the DB).
In NodeJs, there is no problem for me to encrypt t...
Jalbert asked 24/9, 2020 at 17:52
2
I'm trying to make a request to Marvel API on Postman but I got Error code: 401
{
"code": "InvalidCredentials",
"message": "The passed API key is invalid."...
Trevortrevorr asked 1/6, 2021 at 13:10
3
Solved
I would like to achieve resumable on-the-fly hash generation of some file being uploaded on the server. The files are big so I am using the update(byte[]) method of MessageDigest class (as describe...
Oliguria asked 1/8, 2012 at 10:51
3
Solved
Is it possible to calculate a SHA-1 hash in PowerShell V2.0?
The only information I can find online is with PowerShell V4.0.
Bernicebernie asked 1/12, 2014 at 15:55
4
Solved
I am new to PHP Development.
Today I came across the interesting topic of URL fragments, specifically the # part of URLs.
I searched and found that it's like
www.example.com/foo.html#bar
But I don...
Idou asked 23/6, 2015 at 8:18
3
Solved
How to construct URI object with query arguments by passing hash?
I can generate query with:
URI::HTTPS.build(host: 'example.com', query: "a=#{hash[:a]}, b=#{[hash:b]}")
which generates
https:...
Farcy asked 21/10, 2015 at 10:45
2
Solved
I recently looked for a way to correctly create and use nested hashes in Ruby. I promptly found a solution by Paul Morie, who answered his own question:
hash = Hash.new { |h,k| h[k] = {} }
I pro...
8
Solved
If I have a hash
my %h = (
secret => 1;
);
and I know that is only is one key in the hash, but I don't know what it is called.
Do I then have to iterate through that hash
my $key;
foreach ...
18
Solved
I have a hash:
h1 = {:a => :A, :b => :B, :c => :C, :d => :D}
What is the best way to extract a sub-hash like this?
h1.extract_subhash(:b, :d, :e, :f) # => {:b => :B, :d => ...
2
Solved
How can I generate the right release key hash in Ubuntu?
I have already referred this but i can't get my answer.
Torture asked 12/10, 2015 at 4:48
3
Solved
http://play.golang.org/p/SKtaPFtnKO
func md(str string) []byte {
h := md5.New()
io.WriteString(h, str)
fmt.Printf("%x", h.Sum(nil))
// base 16, with lower-case letters for a-f
return h.Sum(n...
3
I'm looking for a hash-function which will produce the same result for unordered sequences containing same elements.
For example:
Array_1: [a, b, c]
Array_2: [b, a, c]
Array_3: [c, b, a]
The ha...
Electrocorticogram asked 12/12, 2012 at 20:19
6
After the linkedin password hash leak, I've been looking at our password hashing. We using Django 1.4 which uses PBKDF2, which is great and a step up from the previous SHA1.
However I'm curious ho...
7
Solved
5
Solved
I want to use the Python hash() function to get integer hashes from objects. But built-in hash() can give negative values, and I want only positive. And I want it to work sensibly on both 32-bit an...
Landes asked 12/9, 2013 at 14:7
4
Solved
I want to create an object with strong params that can accept dynamic hash keys.
This is my code,
Quiz.create(quiz_params)
def quiz_params
params.require(:quiz).permit(:user_id, :percent, :gra...
Conform asked 11/10, 2016 at 21:24
6
Solved
I have a java applciation in which I want to generate long ids for strings (in order to store those strings in neo4j). In order to avoid data duplication, I would like to generate an id for each st...
Mitis asked 16/2, 2012 at 10:34
4
In Python, I would like to quickly compute an order-invariant hash for the lines of a file as a way to identify "uniquely" its content. These files are for example the output of a select ... from t...
10
Solved
I'm looking for a hash function that:
Hashes textual strings well (e.g. few collisions)
Is written in Java, and widely used
Bonus: works on several fields (instead of me concatenating them and ap...
4
Solved
I've got an array of hashes representing objects as a response to an API call. I need to pull data from some of the hashes, and one particular key serves as an id for the hash object. I would like ...
Cofsky asked 20/1, 2011 at 23:38
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