subedigaurav / image-steganography Star 15 Code Issues Pull requests covert communication by encoding data in the frequency domain of jpeg images. jpeg steganography dct image-steganography image-steganography-tool lsb-steganography lsb-bit-manipulation lsb-algorithm jpeg-steganography Updated Feb 16, 2026 Java
systemslibrarian / crypto-lab-j-uniward Sponsor Star 0 Code Issues Pull requests Browser-based J-UNIWARD JPEG steganography demo — Daubechies-8 wavelet cost, full STC (h=12, 4096-state Viterbi), PBKDF2+HKDF key schedule, adaptive payload embedding, live steganalysis comparison. No backends. No simulated math. cryptography typescript aes pbkdf2 steganography hkdf steganalysis stc wavelet dct viterbi chi-square vite j-uniward crypto-lab browser-demo jpeg-steganography adaptive-steganography syndrome-trellis-codes dct-analysis Updated Apr 16, 2026 TypeScript
