steganographic


steg·a·nog·ra·phy

S5798400 (stĕg′ə-nŏg′rə-fē)n. The deliberate concealment of data within other data, as by embedding digitized text in a digitized image.
[New Latin steganographia, cryptography, cipher : Greek steganos, covered (from stegein, to cover; see (s)teg- in Indo-European roots) + -graphiā, -graphy.]
steg′a·no·graph′ic (-nə-grăf′ĭk) adj.

steganographic

(ˌstɛɡənəˈɡræfɪk) adjof, or pertaining to, steganography