Hide45: A Method for Optimal Payload Data Hiding in Base45 Encoded Strings

Base45 encodes pairs of octets using 3 characters from an alphabet of 45 printable symbols. Previous works showed the ability to hide payload data into encoded strings by exploiting the unused configurations of the Base45 encoding. In this paper, we present Hide45, an algorithm for hiding data into...
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Autor*in:	Marco Botta [verfasserIn] Davide Cavagnino [verfasserIn] Alessandro Druetto [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	Base45 printable encoding data hiding digital watermarking optimal embedding

Übergeordnetes Werk:	In: Applied Sciences - MDPI AG, 2012, 13(2023), 17, p 9993
Übergeordnetes Werk:	volume:13 ; year:2023 ; number:17, p 9993

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/app13179993

Katalog-ID:	DOAJ093527888

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language	English
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authorswithroles_txt_mv	Marco Botta @@aut@@ Davide Cavagnino @@aut@@ Alessandro Druetto @@aut@@
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title_auth	Hide45: A Method for Optimal Payload Data Hiding in Base45 Encoded Strings
abstract	Base45 encodes pairs of octets using 3 characters from an alphabet of 45 printable symbols. Previous works showed the ability to hide payload data into encoded strings by exploiting the unused configurations of the Base45 encoding. In this paper, we present Hide45, an algorithm for hiding data into Base45 encoded strings that optimizes the embedding capacity, according to the frequency distribution of the input data. Experimental tests show that an optimal assignment of bit configurations to the most frequent pairs of octets allows to reach a payload capacity very close to the theoretical capacity of the method, improving over a baseline assignment by up to 53%.
abstractGer	Base45 encodes pairs of octets using 3 characters from an alphabet of 45 printable symbols. Previous works showed the ability to hide payload data into encoded strings by exploiting the unused configurations of the Base45 encoding. In this paper, we present Hide45, an algorithm for hiding data into Base45 encoded strings that optimizes the embedding capacity, according to the frequency distribution of the input data. Experimental tests show that an optimal assignment of bit configurations to the most frequent pairs of octets allows to reach a payload capacity very close to the theoretical capacity of the method, improving over a baseline assignment by up to 53%.
abstract_unstemmed	Base45 encodes pairs of octets using 3 characters from an alphabet of 45 printable symbols. Previous works showed the ability to hide payload data into encoded strings by exploiting the unused configurations of the Base45 encoding. In this paper, we present Hide45, an algorithm for hiding data into Base45 encoded strings that optimizes the embedding capacity, according to the frequency distribution of the input data. Experimental tests show that an optimal assignment of bit configurations to the most frequent pairs of octets allows to reach a payload capacity very close to the theoretical capacity of the method, improving over a baseline assignment by up to 53%.
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title_short	Hide45: A Method for Optimal Payload Data Hiding in Base45 Encoded Strings
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