OpenSSL MD5 gives a different hash each time

I'm trying to create a certain modular code using OpenSSL's EVP API for MD5 by passing the EVP_MD object within functions as shown below. #include <stdio.h> #include <string.h> #include <openssl/evp.h> EVP_MD* md5_digest_init() { OpenSSL

How can I calculate a file checksum in Elixir?

I need to calculate the md5 sum of a file in Elixir, how can this be achieved? I would expect that something like: iex(15)> {:ok, f} = "file" {:ok, #PID<0.334.0>} iex(16)> :crypto.hash(:md5, f) ** (ArgumentError) argument e

How is the MD5 hash short of hashes?

If I am not mistaken, MD5 is a hash 32 chars long. If MD5 is only 32 chars long and we can make a string infinitely long, how is every hash different? what is the upper limit of MD5 and how exactly is it completely unpredictable?MD5, like all cryptog

Java equivalent for the PHP pack () function

I have a PHP function. this code is to encryp a password Is any one know how can I write this in Java code. this what I was try but dont give me result. byte[] rawSHA = null; byte[] base64HexSHA = null; MessageDigest md= null; try { md = MessageDiges

Encoding md5 in a way compatible with the nodes

I'm converting a node service to go. For this I need a compatible md5 hash (not for storing passwords!!) generator. However, in this example, I keep getting different results: Node's crypto takes an encoding parameter when creating md5s. > crypto.cre

Does anyone think they could break that hash function?

I alway hear about how unsafe md5 hashes are, so I wrote this, in hopes that it would be more secure... I know about the other hashes, but my question is: If I stored my passwords hashed by this function do you think that anyone could reverse or look

The connection to the password code md5 failed

This question is an exact duplicate of: check login. Can't login [closed] This is my checklogin code. I can't get log in. I think there is problem with the password. I use md5 password. Is it correct to use md5 like that as shown below ? Because the

Always return alphanumeric characters?

I'm having a heck of a time trying to understand this. How does, for example MD5 or SHA1 hash a string and only return alphanumeric characters. I mean, if I'm not entirely off, they both, or atleast MD5, converts the string to binary and then appends

Convert the MD5 representation to hexadecimal to C ++

I have an MD5 string which i am converting to hex. Is there a better way to do this? I currently am doing: unsigned char digest[16]; string result; char buf[32]; for (int i=0; i<16; i++) { sprintf_s(buf, "%02x", digest[i]); result.append( buf

Create a single short string for each unique long string

I'm trying to create a url shortener system in c# and mvc. I know about hashtable and I know how to create a redirect system etc. The problem is indexing long urls in database. Some urls may have up to 4000 character length, and it seems it i

MD5 against Encode for passwords?

I'm building a password protected login system for a site, and I have run into two MySQL functions to encrypt the user's password: MD5() and ENCODE(). They both seem to encrypt it, but I want to use whichever one is more secure. Is there a clear winn

Is the Content-MD5 field in the HTTP response universal?

I have tried downloading files from different servers, NOT all of them respond with the Content-MD5 field in their headers. I wanted to know if that it is the standard to HTTP response without the hash of the resource file or not? thanksThe Content-M

MD5 security is good?

Im new at coding so Maybe I've missed the point of what md5 is about. But from what' i've experienced MD5 encryption is "static" for each word. By static i mean you will always find the same result for example md5("hello"). And this ma

MySQL cuts the password characters md5

I'm developing a website locally using XAMPP. There is a registration page in which I save the password, after encrypting it with MD5, to a MySQL database. The problem is that when I try to log in, I'm unable to. I discovered that the password was th

Generating an MD5 hash from a file

When A MD5 hash from a file dose the hash generates for the File name ? .. or how unique is the MD5 hash from file to file ?MD5 is long and good enough to prevent random collisions between two files. But if you have an attacker that can control the f

Wordpress MD5 password

I need to insert users into a Wordpress blog via a PHP script or MySQL, and I have a plain text password. I thought I could do something like this: $query = "INSERT INTO $new_db.wp_users (user_login, user_pass, user_nicename) select user_email, md5(u

What are the vulnerabilities of MD5 and how can they be fixed?

Possible Duplicate: If MD5 is broken, what is a better solution? What are the vulnerabilities in MD5 and what are some of the remedies for it? Also, what ares some of the concerns that a non-technical person should have and what are some of the conce

You have trouble calling the MD5 function (Objective-C, iPhone)

I tried to use MD5 encryption for the iPhone app I'm creating. I created an md5.m file with the following code (copied from StackOverflow): #import <CommonCrypto/CommonDigest.h> NSString* md5( NSString *str ) { const char *cStr = [str UTF8String]; u

Md5 cache keys in Memcache

In this reddit blog post, the author talks about MD5ing the cache keys and hence the reason why they find it very difficult to scale out. Can someone tell me why one would want to md5 cache keys? I didn't understand the reason even though they explai

How does the IPSec Key Exchange protocol work?

I need to fully understand the IPSec Phase 1 negotiation. now, I break this to 3 steps: Algorithm negotiations Key Exchange Data Identification I'm using Wireshark to investigate the process and so far I fully understand the first part (Algorithm Neg

Is it ok to pass a password?

I have a website that requires a user to authenticate themselves with a user name and password. I would like to use SSL, but I don't have an SSL certificate. But I do something else that I think is okay. My site is primarily AJAX based and requires J

Faster MD5 alternative?

I'm working on a program that searches entire drives for a given file. At the moment, I calculate an MD5 hash for the known file and then scan all files recursively, looking for a match. The only problem is that MD5 is painfully slow on large files.