{
  "resourceType" : "CodeSystem",
  "id" : "arex-digest-algorithm",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem arex-digest-algorithm</b></p><a name=\"arex-digest-algorithm\"> </a><a name=\"hcarex-digest-algorithm\"> </a><p>This case-sensitive code system <code>https://fhir.onyxhealth.io/us/arex/CodeSystem/arex-digest-algorithm</code> defines the following codes:</p><table class=\"codes\"><tr><td style=\"white-space:nowrap\"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td style=\"white-space:nowrap\">sha-256<a name=\"arex-digest-algorithm-sha-256\"> </a></td><td>SHA-256</td><td>SHA-2 family, 256-bit digest.</td></tr><tr><td style=\"white-space:nowrap\">sha-384<a name=\"arex-digest-algorithm-sha-384\"> </a></td><td>SHA-384</td><td>SHA-2 family, 384-bit digest.</td></tr><tr><td style=\"white-space:nowrap\">sha-512<a name=\"arex-digest-algorithm-sha-512\"> </a></td><td>SHA-512</td><td>SHA-2 family, 512-bit digest.</td></tr></table></div>"
  },
  "url" : "https://fhir.onyxhealth.io/us/arex/CodeSystem/arex-digest-algorithm",
  "version" : "0.1.0",
  "name" : "ARexDigestAlgorithmCS",
  "title" : "ARex Digest Algorithm Code System",
  "status" : "draft",
  "experimental" : true,
  "date" : "2026-08-12T18:57:15+00:00",
  "publisher" : "Onyx Technology, LLC",
  "contact" : [{
    "name" : "Onyx Technology, LLC",
    "telecom" : [{
      "system" : "url",
      "value" : "https://onyxhealth.io"
    }]
  }],
  "description" : "Cryptographic digest algorithms permitted for ARex content integrity verification. SHA-1 is deliberately excluded.",
  "jurisdiction" : [{
    "coding" : [{
      "system" : "urn:iso:std:iso:3166",
      "code" : "US",
      "display" : "United States of America"
    }]
  }],
  "caseSensitive" : true,
  "content" : "complete",
  "count" : 3,
  "concept" : [{
    "code" : "sha-256",
    "display" : "SHA-256",
    "definition" : "SHA-2 family, 256-bit digest."
  },
  {
    "code" : "sha-384",
    "display" : "SHA-384",
    "definition" : "SHA-2 family, 384-bit digest."
  },
  {
    "code" : "sha-512",
    "display" : "SHA-512",
    "definition" : "SHA-2 family, 512-bit digest."
  }]
}