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dct-analysis

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systemslibrarian / crypto-lab-j-uniward

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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

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