fastC

fastc-core · RFC 4648 encode/decode

fastc-core-base64

fastc-core-base64 implements RFC 4648 encoding and decoding with both the standard and URL-safe alphabets. Decode is constant-time so crypto callers can use it without leaking through timing.

Repository API docs All packages
capability none — pure, does no I/O

What it ships (v0.1.0)

  • Standard and URL-safe alphabets
  • Streaming encoder
  • Constant-time decode

When to use it

Encoding binary for JSON, tokens, and crypto payloads.

Example

use base64::encode;

fn tok(bytes: Bytes) -> String {
  return encode(bytes);
}
fastc-core-base64 — minimal usage fastc-core-base64 v0.1.0

Roadmap

Base32 support is under consideration for v0.2.

Implements RFC 4648.

Provenance

Like every fastc-core package, fastc-core-base64 ships with content-hashed, cosign-keyless-signed releases and SLSA L3 provenance. It is vendored, not pulled from a central registry — there is no account to compromise.

See also