Mulabhadra

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Mūlabhadra (മൂലഭദ്ര) aka Mūlabhadri (

Travancore Kingdom and his spies both for oral and written communication of messages.[1]
It was a fixed one-time unchangeable code in as much as it did not employ any key in its implementation in contrast to modern methods of substitution ciphers involving the utilisation of a key for generating a system of codes.

The scheme

The following tables give the transposition scheme used in the Mulabhadra code.[1]

Vowels

Clear text
അം അഃ
Cipher text
കാ കി കീ കു കൂ കൃ കെ കേ കൈ കൊ കോ കൌ കം ക:

Consonants

Clear text
Cipher text
Clear text:
Cipher text ക്ഷ

Chillus

Clear text: ല്‍ ന്‍ ര്‍ ള്‍
Cipher text പ് മ് ഷ് ക്ഷ്

Mnemonic

The users had developed a mnemonic to learn and remember this language. The mnemonic was very similar to Sanskrit slokas.

അകോഖഗോഘങശ്ചൈവ

ചടോഞണതപോമനഃ

യശോരഷോലസശ്ചൈവ

Examples

Clear text പല്‍മനാഭപുരം രാമന്‍ ആള്‍ക്കാര്‍
Cipher text തസ്നറാധതുഷം ഷാനമ് കാക്ഷ് ആഷ്

See also

References

  1. ^
    LCCN 91904280
    .