Second preimage

{
  "id": "MLC-T-CYB-003746",
  "term": "Second preimage",
  "field": "Cybersecurity",
  "definition": "1. A message Ms’, that is different from a given message Ms , such that its message digest is the same as the known message digest of Ms.\n\n2. A message X’, that is different from a given message X , such that its message digest is the same as the known message digest of X.",
  "see_also": [
    "Second preimage resistance"
  ],
  "references": [
    "NIST SP 800-106",
    "NIST SP 800-107 Rev. 1",
    "NIST CSRC Glossary"
  ],
  "url": "https://mlchart.com/terminology/cybersecurity/second-preimage/"
}