Latest #crypto Threads 
SpeckEx is an Elixir version of block cipher Speck, developed by the NSA (:scream:) in 2013 as a “lightweight” cipher. SpeckEx uses Rust ...
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Hello!
I’m working on a piece of software with the requirement that I use a FIPS-approved encryption module. I’ve built OpenSSL 3.6.0 wi...
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I’ve been working with a problem involving cryptography recently, which requires cryptographically secure random numbers. This post is my...
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Dear elixir programmers,
I am currently having a project where the server sends me a nonce to be used in a AES-SIV encryption scheme (rf...
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Hello everyone,
I’m encountering a truly baffling and persistent issue with Elixir’s bitstring syntax for little-endian integer encoding...
New
Hi everyone.
I’m currently looking into AES256 CBC and how to encrypt/decrypt plaintext using Elixir. The Erlang crypto module provides ...
New
I didn’t find a way to do this command on openssl using erlang public_key, someone ha any similar issue?
all data I receive is a data, a...
New
Generate globally unique nonces (number-only-used-once) in distributed Elixir. These nonces are used to form the basis of an upcoming GUI...
New
Hi all, I have a problem with the generation of a hash. I have a Javascript code that takes the body of a request, passes it to a string ...
New
Please can you provide or point to replacement code for:
crypto — crypto v5.5 (erlang.org)
from here: Deprecations — Erlang/OTP v27.0.1...
New
This Week's Trending
This Month's Trending
This Year's Trending
Generate globally unique nonces (number-only-used-once) in distributed Elixir. These nonces are used to form the basis of an upcoming GUI...
New
I’ve been working with a problem involving cryptography recently, which requires cryptographically secure random numbers. This post is my...
New
SpeckEx is an Elixir version of block cipher Speck, developed by the NSA (:scream:) in 2013 as a “lightweight” cipher. SpeckEx uses Rust ...
New
Dear elixir programmers,
I am currently having a project where the server sends me a nonce to be used in a AES-SIV encryption scheme (rf...
New
Hello!
I’m working on a piece of software with the requirement that I use a FIPS-approved encryption module. I’ve built OpenSSL 3.6.0 wi...
New
Last Three Year's Trending
Hi folks,
I’m attempting to port this JS code into its Erlang/Elixir equivalent:
const key = "mysecretkey";
function decryptString(enc...
New
Erlang/OTP’s :public_key application provides a set of high-level APIs for working with common PKI-related data structures. Under the hoo...
New
I have a mix release application running in a container but it seems to have problems with cacerts. If I run:
docker exec -it 1773f1bd76...
New
Please how can we replace :des_ecb, the list of supported ciphers no longer includes :des_ecb
:crypto.supports(:ciphers) |> Enum.so...
New
Hi everyone!
I have an AEAD-GCM encrypted token with the cipher text, init vector, and the tag. I also have a key which is base64 encode...
New
Hi all
I’m banging my head against the wall on this… I have to port a bit of Java code over to Elixir/erlang and can’t seem to get this ...
New
I am trying to sign a XML document in a way that gets the same signature as the one produced in the Python code bellow, which I’ve verifi...
New
Please can you provide or point to replacement code for:
crypto — crypto v5.5 (erlang.org)
from here: Deprecations — Erlang/OTP v27.0.1...
New
Hello everyone,
I’m encountering a truly baffling and persistent issue with Elixir’s bitstring syntax for little-endian integer encoding...
New
Hi everyone.
I’m currently looking into AES256 CBC and how to encrypt/decrypt plaintext using Elixir. The Erlang crypto module provides ...
New
Hi all, I have a problem with the generation of a hash. I have a Javascript code that takes the body of a request, passes it to a string ...
New
Years ago i worte keccak_ex with only support for hash 256
Now I completed the support for hash 512 and 128 bytes
The “problem”
Both i...
New
I didn’t find a way to do this command on openssl using erlang public_key, someone ha any similar issue?
all data I receive is a data, a...
New
Trending Over Three Years
Hello there,
I’m trying to generate a checksum using :crypto.hash/2, I want to hash the first 8 characters only of my string and get the...
New
Hello,
I’m not sure where this should / could be posted, but I’ve put a lot of effort and just released my first video about streaming c...
New
Hi all,
I’m having trouble trying to decrypt in Elixir (using ExCrypto - which is a only a wrapper around crypto and public_key) encrypt...
New
Hi Everyone,
Any help will be really appreciated!
I am new to elixir and was trying the crypto module for aes_128_cbc but facing issue ...
New
I’m experimenting with using the web crypto API. and want to verify signatures from the browser in Elixir (or erlang, so far I have used ...
New
I have some problems with :crypto.verify.
message = 'whatever'
sign = 'zFuf7bRH4RHwyktaqHQwmX5rn3LfSb4dKo'
public_key = 'MIGJAoGBAM1fmNU...
New
Hello,
I have a PEM certificate issued for my CSR: my-cert.crt, my private key: private key
I can create a PKCS7 file with that command...
New
Create a cryptocurrency trading bot in Elixir (YouTube videos, ebook pay what you want)
<span class="hashtag-icon-placeholder"></span>eli...
New
Hello,
I have a problem with encryption.
I have keys generated by kleopatra software: https://www.openpgp.org/software/kleopatra/
It’s...
New
In Javascript libraries there is this helper:
recoverPersonalSignature
That takes in a nonce and the signature and validates it returni...
New
Hello !
I was expecting :crypto.block_encrypt :aes_ige256 to be symmetric, I don’t get what’s wrong. Can someone enlighten me ?
Here is...
New
Hi,
I’m trying to generate an ED25519 public key from a secret key using Erlang’s crypto application. I’m able to generate a random keyp...
New
I have used until now this library for ed25519 signing and verifying - https://hexdocs.pm/ed25519/Ed25519.html#content. However, I am not...
New
Implementing ex_sha3 was an experiment of a pure Elixir version of the fips-202 sha3 and original keccak algorithms. ex_sha3 works platfo...
New
Hey all, working on my first Elixir/Phoenix project, which includes a Discord bot.
Per the Discord documentation, applications must vali...
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