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Embed and verify digital authenticity in images, audio, and documents
Free, browser-based digital authenticity toolkit (GPL-2.0). Watermark images (9 algorithms), audio (8) and documents (5); compute 21 fingerprint hashes; sign and verify C2PA provenance; issue Ed25519/P-256/RSA DID keys; generate PDF/DOCX/EPUB certificates; forensic ELA/noise/JPEG-marker analysis. Vanilla JS, no framework, runs fully client-side. Not a full PDF editor - watermarking, provenance and verification only. Also ships a Windows desktop app (Tauri) and an off-store browser extension...
Browse on Tor / i2p - Anon p2p Chat / FileTx, Conf / Video VoIP
Open Source - GPLv3 inc images.
*** PLEASE NOTE: There are now 2 seperate versions here.
*** One is Pre Firefox 57. The other is Post Firefox 57.
*** For those providing mirrors, please enable your users to realize this.
Vidalia Based, Tor as a Service Solution.
MicroSip: enables FREE PC to PC video calling with no account sign-up and no middleman server.
WASTE: enables FREE Conference VoIP, chat, file transfer and support. *** AI Powered ***
Tor/i2p: enables safer...
pidCrypt is no longer maintained!
pidCrypt is a crypto library offering modular cryptographic functions in JavaScript. Supports: AES (CBC & CTR Mode), RSA, MD5, SHA-1, SHA-256, SHA-384, SHA-512, ASN.1, Base64, UTF-8. The AES-CBC mode is compatible to OpenSSL.
A pure TypeScript/JavaScript streaming implementation of the complete Secure Hash Standard (SHA) family (SHA-1, SHA-224/256/384/512, SHA3-224/256/384/512, SHAKE128/256, cSHAKE128/256, and KMAC128/256) with HMAC.
Put idle assets to work with competitive interest rates, borrow without selling, and trade with precision. All in one platform.
Geographic restrictions, eligibility, and terms apply.
Amnesia is a design-rich 'host-proof' web application that encrypts and remembers all sorts of personal information from passwords to private notes. Project now hosted at Google Code: https://code.google.com/p/amnesia-app/
This WebOS application generates RFC 2289 standard compliant one-time passwords. It supports the MD4 and MD5 message-digest algorithms as well as the SHA-1 hash algorithm and can be used with challenge-response OTP systems such as OPIE and S/KEY.
a small library for cryptography (e.g. for the MicroEdition of Java) that supports AES (256 bit only), SHA-512 and CBC. The library is available in Java and JavaScript.