Crate sigid_core 

SigID Core

Zero-dependency, no_std core for generating 26-character identifiers in Crockford Base32 format.

Example

use sigid_core::{Generator, SigId26};

let mut gen = Generator::new(0x123456789abcdef);
let id = gen.generate(1234567890).unwrap();
println!("{}", id);

Structs

Generator

ID generator as a pure state machine

SigId26

26-character identifier in Crockford Base32 format

Enums

Error

Error types

Constants

ALPHABET

Crockford Base32 alphabet

ALPHABET_LOWER

Crockford Base32 alphabet (lowercase)

COUNTER_BITS

Counter bits (14 bits)

COUNTER_MAX

Maximum counter value (2^14 - 1) = 16383

EPOCH

Epoch: 2020-01-01 00:00:00 UTC (milliseconds)

ID_BYTES

ID length in bytes (128 bits)

ID_LENGTH

ID length in characters

RANDOM_BITS

Random bits (50 bits)

RANDOM_MAX

Maximum random value (2^50 - 1)

TIMESTAMP_BITS

Timestamp bits (48 bits)

TIMESTAMP_MAX

Maximum timestamp value (2^48 - 1)

WORKER_BITS

Worker ID bits (16 bits)

WORKER_MAX

Maximum worker ID value (2^16 - 1)

Functions

crc16

Calculate CRC-16 for data

decode_crockford32

Decode 26 Crockford Base32 characters to 16 bytes

encode_crockford32

Encode 16 bytes to 26 Crockford Base32 characters

iso7064_checksum

Calculate ISO 7064 Mod 37,36 checksum (like ISBN)

Type Aliases

Result

Result type for no_std compatibility