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ctr-drbg
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mplementation of "Improving the Imperceptibility of Pixel Value Difference and LSB Substitution Based Steganography Using Modulo Encoding" — a combined PVD + LSB + modulo encoding scheme with CTR_DRBG key-dependent embedding, including baseline comparisons and experiment framework.
pythonsecuritycryptographyresearchacademicimage-processingmsesteganographyssimlsbimage-steganographydigital-imagespsnrdata-hidingleast-significant-bitpvdctr-drbgimperceptibilitypixel-value-differencingmodulo-encoding
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Feb 26, 2026 - Python
Browser-based NIST SP 800-90A demo — HMAC_DRBG, CTR_DRBG, and Hash_DRBG with state visualizers, seeding, reseeding, and live NIST SP 800-22 statistical tests. The correct-case companion to Corrupted Oracle.
cryptographyentropycsprngpseudorandomhmac-drbgdrbgrandom-number-generationstatistical-testingcrypto-labctr-drbgdual-ec-drbgfips-140hash-drbgnist-sp-800-90a
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Aug 10, 2026 - TypeScript
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