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Which encryption algorithm is made insecure by?
The Data Encryption Standard (DES /ˌdiːˌiːˈɛs, dɛz/) is a symmetric-key algorithm for the encryption of digital data. Although its short key length of 56 bits makes it too insecure for applications, it has been highly influential in the advancement of cryptography.
Which one of the following encryption algorithms is now considered insecure?
Which one of the following encryption algorithms is now considered insecure? The Correct Answer is D. Explanation: The Merkle-Hellman Knapsack algorithm, which relies upon the difficulty of factoring superincreasing sets, has been broken by cryptanalysts.
Is a message digest algorithm?
A message digest algorithm or a hash function, is a procedure that maps input data of an arbitrary length to an output of fixed length. Output is often known as hash values, hash codes, hash sums, checksums, message digest, digital fingerprint or simply hashes.
Who are the authors of Secure Hash Algorithms?
The Secure Hash Algorithms are a family of cryptographic hash functions published by the National Institute of Standards and Technology (NIST) as a U.S. Federal Information Processing Standard (FIPS), including:
Which is the only cryptographic algorithm that is considered broken?
But the only general-purpose encryption algorithm (not hashing algorithm as others are listing) that is considered “broken” for normal use because of flaws in the algorithm (rather than key length), and which is still widely deployed and accepted, is RC4.
Which is the encryption algorithm used by the US government?
The Advanced Encryption Standard (AES)is the algorithm trusted as the standard by the U.S. Government and numerous organizations. Although it is extremely efficient in 128-bit form, AES also uses keys of 192 and 256 bits for heavy duty encryption purposes.
What was the original name of the Sha algorithm?
SHA-0: A retronym applied to the original version of the 160-bit hash function published in 1993 under the name “SHA”. It was withdrawn shortly after publication due to an undisclosed “significant flaw” and replaced by the slightly revised version SHA-1. SHA-1: A 160-bit hash function which resembles the earlier MD5 algorithm.