Ciphers and cryptography.
Ciphergraphy is Purley an algorithmic technique in which we send massages in coding text form under encrypted rules. Ciphers has rich history with human where high level massages sent between the top officials in secret coding language. The main aim of this practice to keep secret in text format. Mostly they use abbreviations, shapes and dongles against certain alphabets.
The most famous kinds of ciphers are
- Block ciphers
- Stream ciphers
Block ciphers sent by using block technology while others sent by streaming setup. Caesar Shift is most used form of ciphers and untill today it is in practice since 1910. Ciphers still used by top diplomats to deliver the massage from country to country especially ambassadors send daily official posts back to their concern ministry. It is never easy to any one (almost impossible) to decode it.
Example.
This cipher sent by an ambassador to US foreign affairs ministry from somewhere during the World war-11. The decoding of cipher published later in secret papers that it was on movement of troops in Germany. So can we or someone common person can read? It is not , only experts on both encrypted ends can read and decode it.
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Role of ciphergraphy in Crypto.
Cipher technique used by programmers , developers and designers to make encryption and decryption the key words into coding to make blockchain technology unaccessible to common people. So we can call cryptography as a digital shape of ciphergraphy with same idealogy.
These encryption and decryption technique which work massage encoding under a algorithm to make sure the massage deliver ,like a transaction on blockchain, at destination in authentic , confidential and untouched way.
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Cryptography.
The digital form of ciphers on Blockchain technology called cryptography which also bonded in end to end encryption and decryption.
Cryptography makes sure the transparency , accuracy and integrity of any transaction which flows on any blockchain technology. Different chains used different techniques like Bitcoin using Ettiptic Curve with SHA-256 algorithm and ethereum working with EVM technique. But both has same aim to provide secured environment for Transactions to their users. Here is a video by neso academy to understand the term of cryptography, it's types and description with role in crypto Blockchain.
Cryptography has three famous types,
- Symmetric ( Secret) key.
- Asymmetric ( public) key.
- Hash Function.
In text ciphers the persons on both ends were only able to translate it and in cryptography an automatic system of blocks encrypted it and other end decrypt it. No one can alter it on any stage.The trust and confidence over unaltered, untouched and unmodified Crypto transaction is only possible due to its ciphergraphy which enables it to be secure and reliable. That is base of crypto currency as well.
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Note: The article originally published on Publish0x.
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Amjad.
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