Module token 

JWT signing and verification for the BitRouter protocol.

Supports two web3 wallet signing schemes:

• SOL_EDDSA — Solana-style Ed25519 over raw message bytes.
• EIP191K — EVM-style EIP-191 prefixed secp256k1 ECDSA.

Token format: base64url(header).base64url(claims).base64url(signature)

Functions

check_expiration

Check whether a token’s exp claim has passed.

decode_unverified

Decode a JWT without verifying the signature.

sign

Sign a set of claims into a JWT string using the master keypair.

verify

Verify a JWT string and extract the claims.