SipHash
AES256CBC
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| SipHash | AES256CBC | |
|---|---|---|
| 3 | - | |
| 593 | 107 | |
| - | - | |
| 1.4 | 5.0 | |
| about 1 year ago | about 4 years ago | |
| C | Swift | |
| Creative Commons Zero v1.0 Universal | - |
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SipHash
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does math.randomseed() let you use letters, or only numbers?
Very fast with security guarantees. These are faster than full cryptographic hashes and fulfill some but not all of the security guarantees. That's not to say that they're weaker, but that they're designed for certain usecases where they are perfectly adequate and others where they fail miserably. Example: SipHash2-4 https://github.com/veorq/SipHash
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Implementing Hash Tables in C
Note that if you have untrusted input, you may want to use a defensive option for hashing involving a private key, such as SipHash[1]. Otherwise, an attacker who knows your hash functions can just pre-generate a large number of colliding elements and reduce your hash function to a linked list; given enough attacker-controlled elements, this can effectively amount to a DoS attack[2].
[1] https://github.com/veorq/SipHash
[2] https://www.aumasson.jp/siphash/siphashdos_29c3_slides.pdf
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Getting unique items from a list. Why do they come out in a random order?
Sets are internally ordered by items' hash (rather, the first few bits of it, depending on the # of elements in the set), and strings are hashed with a pseudorandom algorithm.
AES256CBC
We haven't tracked posts mentioning AES256CBC yet.
Tracking mentions began in Dec 2020.
What are some alternatives?
OpenSSL - TLS/SSL and crypto library
CryptoSwift - CryptoSwift is a growing collection of standard and secure cryptographic algorithms implemented in Swift
Lua - Lua is a powerful, efficient, lightweight, embeddable scripting language. It supports procedural programming, object-oriented programming, functional programming, data-driven programming, and data description.
SipHash - Simple and secure hashing in Swift with the SipHash algorithm
OpenSSL - Swift OpenSSL for OS X and Linux
Swift-Sodium - Safe and easy to use crypto for iOS and macOS
cityhash - Automatically exported from code.google.com/p/cityhash
RNCryptor - CCCryptor (AES encryption) wrappers for iOS and Mac in Swift. -- For ObjC, see RNCryptor/RNCryptor-objc
Obfuscator-iOS - Secure your app by obfuscating all the hard-coded security-sensitive strings.
BlueCryptor - Swift cross-platform crypto library using CommonCrypto/libcrypto
SwiftyRSA - RSA public/private key encryption in Swift
SwiftSSL - An Elegant crypto toolkit in Swift.