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For a positive integer s, 0s is the string that consists of s consecutive 0 bits.
NIST SP 800-185
The bit string that consists of s ‘0’ bits.
NIST SP 800-38B
NIST SP 800-38D
The bit string that consists of s consecutive ‘0’ bits.
NIST SP 800-38F
Comments about specific definitions should be sent to the authors of the linked Source publication. For NIST publications, an email is usually found within the document.
Comments about the glossary's presentation and functionality should be sent to email@example.com.
See NISTIR 7298 Rev. 3 for additional details.