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The proposed technique shares the 20 characters long secret key between two clients where the initial eight characters of a secret key are utilized for bit permutation of characters and pixels while the last 12 characters of secret key decide the encryption keys and position of pixels of a grayscale image into the cover. The grayscale image undergoes operation such as encryption and chaotic baker followed by its hiding in a cover to form a stego image. The execution of the proposed strategy is performed on Matlab 2018. It shows that the proposed approach manages to store the maximum message of size 16[Formula: see text]KB into the cover of size [Formula: see text]. The image quality of stego images has been evaluated using PSNR, MSE. For a full payload of 16[Formula: see text]KB, PSNR is around 51[Formula: see text]dB to 53[Formula: see text]dB which is greater than satisfactory PSNR. <\/jats:p>","DOI":"10.1142\/s0219467822500140","type":"journal-article","created":{"date-parts":[[2021,5,11]],"date-time":"2021-05-11T02:16:18Z","timestamp":1620699378000},"source":"Crossref","is-referenced-by-count":2,"title":["Secret Key-Based Image Steganography in Spatial Domain"],"prefix":"10.1142","volume":"22","author":[{"given":"Rajashree","family":"Gajabe","sequence":"first","affiliation":[{"name":"Department of CSE, Visvesvaraya, National Institute of Technology, Nagpur, Maharashtra 440010, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Syed Taqi","family":"Ali","sequence":"additional","affiliation":[{"name":"Department of CSE, Visvesvaraya, National Institute of Technology, Nagpur, Maharashtra 440010, India"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"219","published-online":{"date-parts":[[2021,5,6]]},"reference":[{"key":"S0219467822500140BIB001","doi-asserted-by":"publisher","DOI":"10.1007\/s11042-016-3383-5"},{"key":"S0219467822500140BIB002","first-page":"1","volume-title":"ISSA","volume":"1","author":"Morkel T.","year":"2005"},{"key":"S0219467822500140BIB003","doi-asserted-by":"publisher","DOI":"10.1109\/ICSIPA.2013.6708029"},{"key":"S0219467822500140BIB004","doi-asserted-by":"publisher","DOI":"10.1007\/978-81-322-2247-7_38"},{"key":"S0219467822500140BIB005","doi-asserted-by":"publisher","DOI":"10.1109\/ISBAST.2008.4547669"},{"key":"S0219467822500140BIB006","doi-asserted-by":"publisher","DOI":"10.1109\/INTECH.2016.7845020"},{"key":"S0219467822500140BIB007","doi-asserted-by":"publisher","DOI":"10.1186\/s13640-019-0458-z"},{"key":"S0219467822500140BIB008","doi-asserted-by":"publisher","DOI":"10.1109\/ACCESS.2018.2868192"},{"key":"S0219467822500140BIB009","doi-asserted-by":"publisher","DOI":"10.1109\/ICCIMA.2007.163"},{"key":"S0219467822500140BIB010","doi-asserted-by":"publisher","DOI":"10.1007\/s11277-016-3387-5"},{"key":"S0219467822500140BIB011","doi-asserted-by":"publisher","DOI":"10.1007\/s11042-019-08103-0"},{"key":"S0219467822500140BIB012","doi-asserted-by":"publisher","DOI":"10.1007\/s13369-018-3372-2"},{"key":"S0219467822500140BIB013","doi-asserted-by":"publisher","DOI":"10.1186\/s42787-019-0061-6"},{"key":"S0219467822500140BIB014","doi-asserted-by":"publisher","DOI":"10.1088\/1742-6596\/1003\/1\/012032"},{"key":"S0219467822500140BIB015","doi-asserted-by":"publisher","DOI":"10.4218\/etrij.2018-0089"},{"key":"S0219467822500140BIB016","doi-asserted-by":"publisher","DOI":"10.21629\/JSEE.2018.03.21"},{"key":"S0219467822500140BIB017","doi-asserted-by":"publisher","DOI":"10.1007\/s11042-017-4935-z"},{"journal-title":"J. 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