What is the typical length of the output for SHA-256?

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Study for the WGU ITAS 2142 D830 Introduction to Cryptography Exam. Review flashcards and multiple choice questions with hints and explanations. Get ready for your exam!

Multiple Choice

What is the typical length of the output for SHA-256?

Explanation:
SHA-256 produces a fixed-length output of 256 bits, regardless of the input. That means every hash value has 32 bytes in length, and when written as hexadecimal it’s typically shown as 64 hex characters. This length is a defining property of the SHA-2 family, and it helps ensure consistent digest sizes for applications like digital signatures and data integrity checks. For comparison, other common hashes have different lengths: MD5 yields 128 bits, SHA-1 yields 160 bits, and SHA-512 yields 512 bits. So the typical output length for SHA-256 is 256 bits.

SHA-256 produces a fixed-length output of 256 bits, regardless of the input. That means every hash value has 32 bytes in length, and when written as hexadecimal it’s typically shown as 64 hex characters. This length is a defining property of the SHA-2 family, and it helps ensure consistent digest sizes for applications like digital signatures and data integrity checks. For comparison, other common hashes have different lengths: MD5 yields 128 bits, SHA-1 yields 160 bits, and SHA-512 yields 512 bits. So the typical output length for SHA-256 is 256 bits.

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