Tool to decrypt ideograms. This principle can be used for encryption, by creating unique ideograms to cipher numbers or letters, with simple elements such as circles, dots or lines, with, each, a distinct value.

Ideograms Cipher (lines, circles, dots) - dCode

Tag(s) : Cryptography,Writing System

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Tool to decrypt ideograms. This principle can be used for encryption, by creating unique ideograms to cipher numbers or letters, with simple elements such as circles, dots or lines, with, each, a distinct value.

Encryption associates to each letter of the plain text, a number, which is decomposed in distinct values

Let the message be DCODEZ, values chosen (alphabetic rank) are 4, 3, 15, 4, 5, 26

One selects values 10, 5 and 1 for decomposition.

D = 4 = 0*10 + 0*5+ 4*1

O = 15 = 1*10 + 1*5 + 0*1

Z = 26 = 2*10 + 1*5 + 1*1

Each values corresponds to a selected form (a simple element).

a line = 10, a circle = 5, a dot = 1.

You only have to draw an ideogram with these items.

Z can be drawn ||o. or |.o_

Decryption requires decomposing each ideogram in simple forms (generally between 2 and 4 distinct, the more famous are dot, circle, line).

Let the message be :: .: ∅ .... o

One counts the number of appearance of each simple form in each ideogram.

:: and .... = 4 dots

.: = 3 dots

∅ = 1 circle et 1 line

o = 1 circle

One must then know or search for values for each simple element. The value of an ideogram is given by addition.

Values are a line = 10, a circle = 5, a dot = 1.

::=4 .:=3 ∅=15 ....=4 o=5

Each value corresponds to a letter, for example, the alphabetic rank (A=1, B=2, etc.)

The original plain text is DCODE.

The ciphered message is composed of symbols nearly all distinct, with common factors (geometry, color, size, etc.)

One can crack Ideograms with difficulties by testing all values. Note that the value 1 appears often.

Use of colors (or any distinctive element) rather than geometric forms.

Modification of the addition calculus (eg. a color means a multiplication by N, etc.)

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ideogram,symbol,line,circle,dot,value

Source : http://www.dcode.fr/ideograms

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