hash

Source: ./hash.scar

Functions

fnv1a(string data) -> i32

FNV-1a hash algorithm

fnv1a_64(ref string data) -> void

FNV-1a hash with 64-bit output (returns as string to avoid overflow)

djb2(string data) -> i32

DJB2 hash algorithm

simple_hash(string data) -> i32

Basic polynomial rolling hash

sdbm(string data) -> i32

SDBM hash algorithm Used in SDBM database and GNU AWK

crc32(string data) -> i32

CRC32 hash implementation Cyclic redundancy check with good error detection

combine_hash(i32 hash1, i32 hash2) -> i32

Combine two hash values

murmur3(string data, i32 seed) -> i32

Murmur3 hash (32-bit version) High-quality non-cryptographic hash

base64_encode(string data) -> string

Base64-encode a string and return the encoded text.

base64_decode(string b64) -> string

Decode a Base64-encoded string and return the decoded text.

sha256(string input) -> string

Compute the SHA-256 hash of the given input string. Return the hash as a hexadecimal string.