Presentation 1999/5/20
Information Hiding into Encrypted Data Blocks
Takashi Mano,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) A system by which an arbitrary bit sequence is embedded into a cipher text that is encrypted by any block ciphers, stream ciphers, or public key cryptographic algorithms is presented here. Normally, such encrypted data have no redundancy that means it is virtually impossible to embed even one extra bit into them. The situation is carefully scrutinised in this paper and a new way of thinking is introduced.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Steganography / information hiding / block cipher / stream cipher / public key cryptography / pseudo random number generator / key escrow system / key recovery sy stem
Paper # ISEC99-8
Date of Issue

Conference Information
Committee ISEC
Conference Date 1999/5/20(1days)
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Paper Information
Registration To Information Security (ISEC)
Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Information Hiding into Encrypted Data Blocks
Sub Title (in English)
Keyword(1) Steganography
Keyword(2) information hiding
Keyword(3) block cipher
Keyword(4) stream cipher
Keyword(5) public key cryptography
Keyword(6) pseudo random number generator
Keyword(7) key escrow system
Keyword(8) key recovery sy stem
1st Author's Name Takashi Mano
1st Author's Affiliation IBM Japan()
Date 1999/5/20
Paper # ISEC99-8
Volume (vol) vol.99
Number (no) 57
Page pp.pp.-
#Pages 6
Date of Issue