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Term · Cybersecurity · MLC-T-CYB-004657

  1. 1. The smallest integer that is larger than or equal to X. The ceiling of X.

    2. Byte string to be converted to or from an integer; the output of conversion from an ASCII string.

  2. 1. Used to indicate that data X is an optional input to the key derivation function.

    2. Indicates that the inclusion of X is optional.

  3. 1. The length of a bit string X in bits.

    2. The length (in bits) of the bit string x. For example, |01100100| = 8.

    3. The absolute value of x.

  4. 1. The smallest integer that is larger than or equal to X. The ceiling of X. For example, ⌈8.2⌉ = 9.

    2. The ceiling of x; the smallest integer ≥ x. For example,⎾5⏋= 5 and⎾5.2⏋= 6.

    3. For a real number x, ⌈x⌉ is the least integer that is not strictly less than x. For example, ⌈3.2⌉ = 4, ⌈-3.2⌉ = -3, and ⌈6⌉=6.

    4. The ceiling of x; the smallest integer ≥ x. For example,⎾5⏋= 5 and⎾5.3⏋= 6.

    5. The ceiling of x; the smallest integer ≥ x. For example, ⌈5⌉ = 5 and ⌈5.3⌉ = 6.

  5. 1. The floor of a non-negative number a: the greatest integer that is smaller than or equal to a. For example,⎣5⎦ = 5, and⎣5.9⎦ = 5.

    2. The floor of x; the largest integer ≤ x. For example,⎿5⏌ = 5 and⎿6.9⏌ = 6.

    3. The floor function of x; for a given real positive x,ëxû = x-g, whereëxûis a non-negative integer, and 0 ≤ g< 1.

    4. The floor of x; the greatest integer that does not exceed x. For example, ⌊2.1⌋ = 2, and ⌊4⌋ = 4.

Table 1. Record
IdentifierMLC-T-CYB-004657
FieldCybersecurity
ReferencesNIST SP 800-108 [Superseded]; NIST SP 800-56B Rev. 2; NIST SP 800-56B Rev. 1 [Superseded]; NIST CSRC Glossary; NIST SP 800-108 [Superseded]; NIST SP 800-108r1 [August 2022 (Includes updates as of 02-02-2024)]; NIST SP 800-108r1 [August 2022 (Includes updates as of 02-02-2024)]; NIST SP 800-106; NIST SP 800-135 Rev. 1; NIST SP 800-90A Rev. 1; NIST SP 800-185; NIST SP 800-56A Rev. 2 [Superseded]; NIST SP 800-56B Rev. 1 [Superseded]; NIST SP 800-56B Rev. 2; NIST SP 800-135 Rev. 1; NIST SP 800-22 Rev. 1a
Record as JSON 
{
  "id": "MLC-T-CYB-004657",
  "term": "X",
  "field": "Cybersecurity",
  "definitions": [
    "1. The smallest integer that is larger than or equal to X. The ceiling of X.\n\n2. Byte string to be converted to or from an integer; the output of conversion from an ASCII string.",
    "1. Used to indicate that data X is an optional input to the key derivation function.\n\n2. Indicates that the inclusion of X is optional.",
    "1. The length of a bit string X in bits.\n\n2. The length (in bits) of the bit string x. For example, |01100100| = 8.\n\n3. The absolute value of x.",
    "1. The smallest integer that is larger than or equal to X. The ceiling of X. For example, ⌈8.2⌉ = 9.\n\n2. The ceiling of x; the smallest integer ≥ x. For example,⎾5⏋= 5 and⎾5.2⏋= 6.\n\n3. For a real number x, ⌈x⌉ is the least integer that is not strictly less than x. For example, ⌈3.2⌉ = 4, ⌈-3.2⌉ = -3, and ⌈6⌉=6.\n\n4. The ceiling of x; the smallest integer ≥ x. For example,⎾5⏋= 5 and⎾5.3⏋= 6.\n\n5. The ceiling of x; the smallest integer ≥ x. For example, ⌈5⌉ = 5 and ⌈5.3⌉ = 6.",
    "1. The floor of a non-negative number a: the greatest integer that is smaller than or equal to a. For example,⎣5⎦ = 5, and⎣5.9⎦ = 5.\n\n2. The floor of x; the largest integer ≤ x. For example,⎿5⏌ = 5 and⎿6.9⏌ = 6.\n\n3. The floor function of x; for a given real positive x,ëxû = x-g, whereëxûis a non-negative integer, and 0 ≤ g< 1.\n\n4. The floor of x; the greatest integer that does not exceed x. For example, ⌊2.1⌋ = 2, and ⌊4⌋ = 4."
  ],
  "references": [
    "NIST SP 800-108 [Superseded]",
    "NIST SP 800-56B Rev. 2; NIST SP 800-56B Rev. 1 [Superseded]",
    "NIST CSRC Glossary",
    "NIST SP 800-108 [Superseded]; NIST SP 800-108r1 [August 2022 (Includes updates as of 02-02-2024)]",
    "NIST SP 800-108r1 [August 2022 (Includes updates as of 02-02-2024)]",
    "NIST SP 800-106",
    "NIST SP 800-135 Rev. 1; NIST SP 800-90A Rev. 1",
    "NIST SP 800-185",
    "NIST SP 800-56A Rev. 2 [Superseded]; NIST SP 800-56B Rev. 1 [Superseded]",
    "NIST SP 800-56B Rev. 2",
    "NIST SP 800-135 Rev. 1",
    "NIST SP 800-22 Rev. 1a"
  ],
  "url": "https://mlchart.com/terminology/cybersecurity/x-term/"
}

Record 4,657 of 4,693 in Cybersecurity terminology (MLC-0102). Request the full dataset.