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Cryptographic Playground

Client-side cryptographic sandbox for keypair generation, RFC 8785 JCS canonicalization, Ed25519 signing, tamper testing, and live registry resolution.

01 Keypair Generator & Formats
02 Document Signer
03 Signature Verifier & Attack Suite
04 RFC 8785 Byte Inspector
05 Registry Resolver Test

Generates 256-bit Ed25519 keypairs via Web Crypto API (window.crypto.subtle). Private key operations remain strictly in browser memory.

Algorithm Ed25519 (25519)
Security Level 128-bit Security
Generation Time 0.00 ms
SHA-256 Fingerprint -

Signs agent identity document using RFC 8785 JSON Canonicalization Scheme (JCS). Canonical output ensures exact byte matching across programming language runtimes.

Verifies cryptographic signatures over JCS canonical payload. Includes security attack simulations to evaluate signature tamper-resistance.

Inspects JSON Canonicalization Scheme (RFC 8785) formatting rules: recursive lexicographical key ordering, whitespace strip, UTF-8 normalization.

Raw Char Count 0
JCS Char Count 0
Size Delta 0 bytes

Test identity resolution against Creduent API endpoints (/resolve). Validates schema, identity state, and signature verification server-side or via mock.