Post : What is 256 Bit Encyption in Cryptography?
Title : What is 256 Bit Encyption in Cryptography?
What is 256 Bit Encyption in Cryptography?
Encryption is the process of using an algorithm to transform information to make it unreadable for unauthorized users. This cryptographic method protects sensitive data such as credit card numbers by encoding and transforming information into unreadable cipher text. This encoded data may only be decrypted or made readable with a key. There are so many ways to encrypt your data including AES, DES, RSA, ECC Encryption. Want to know in detail of encryption ways then do read this article on ways of data encryption.
256 Bit Encryption
256 Bit encryption is one of the most secure encryption methods after 128- and 192-bit encryption, and is used in most modern encryption algorithms, protocols and technologies including AES and SSL. It is used for data in transit, or data traveling over a network or Internet connection. It is also implemented for sensitive and important data such as financial, military or government-owned data. The U.S. government requires that all sensitive and important data be encrypted using 192- or 256-bit encryption methods.
How secure is 256 bit encryption than 128 bit encryption?
Breaking a symmetric 256-bit key by brute force requires 2128 times more computational power than a 128-bit key. 50 supercomputers that could check a billion (1018) AES keys per second (if such a device could ever be made) would, in theory, require about 3×1051 years to exhaust the 256-bit key space.
AES, the Advanced Encryption Standard, is a relatively new encryption technique/cipher that is the successor of DES. AES was standardized in 2001 after a 5 year review, and is currently one of the most popular algorithms used in symmetric key cryptography.
It is FIPS (Federal Information Processing Standard) certified and there are currently no known non-brute-force direct attacks against AES (except some side channel timing attacks on the processing of AES that are not feasible over a network environment and this not applicable to SSL in general).
The design and strength of all key lengths of the AES algorithm (i.e., 128, 192 and 256) are sufficient to protect classified information up to the SECRET level. TOP SECRET information will require use of either the 192 or 256 key lengths. The implementation of AES in products intended to protect national security systems and/or information must be reviewed and certified by NSA prior to their acquisition and use.” (Lynn Hathaway, June 2003 – reference.)
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256 Bit Encryption
256 Bit encryption is one of the most secure encryption methods after 128- and 192-bit encryption, and is used in most modern encryption algorithms, protocols and technologies including AES and SSL. It is used for data in transit, or data traveling over a network or Internet connection. It is also implemented for sensitive and important data such as financial, military or government-owned data. The U.S. government requires that all sensitive and important data be encrypted using 192- or 256-bit encryption methods.
How secure is 256 bit encryption than 128 bit encryption?
AES, the Advanced Encryption Standard, is a relatively new encryption technique/cipher that is the successor of DES. AES was standardized in 2001 after a 5 year review, and is currently one of the most popular algorithms used in symmetric key cryptography.
It is FIPS (Federal Information Processing Standard) certified and there are currently no known non-brute-force direct attacks against AES (except some side channel timing attacks on the processing of AES that are not feasible over a network environment and this not applicable to SSL in general).
The design and strength of all key lengths of the AES algorithm (i.e., 128, 192 and 256) are sufficient to protect classified information up to the SECRET level. TOP SECRET information will require use of either the 192 or 256 key lengths. The implementation of AES in products intended to protect national security systems and/or information must be reviewed and certified by NSA prior to their acquisition and use.” (Lynn Hathaway, June 2003 – reference.)
Message: I hope that you have enjoyed 'What is 256 Bit Encyption in Cryptography?' article. However, if you want me to deliver more items, then please share my post. You can use Social Sharing Widget provided at the end of every post. After all, Sharing is Caring!
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