ISM-1768 · September 2026
Using Secure Hashing Algorithms
Guidelines for cryptography / Cryptographic algorithms / Using Secure Hashing Algorithms
Official control wording
When using SHA-2 for hashing, an output size of at least 384 bits is used, preferably SHA-384 or SHA-512.
Applicability
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Implementation guidance
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Official source
ASD’s ISM OSCAL v2026.09.4 · Original catalogue JSON · Pinned checksums and edition details
Control source identifier: ism-1768. Check the official release before relying on this snapshot for an assessment.
Official control wording and applicability: Australian Signals Directorate, © Commonwealth of Australia 2026. September 2026 ISM, OSCAL v2026.09.4, reproduced under CC BY 4.0. Formatting is adapted for this website.
Latticework Systems’ implementation guidance is our interpretation. Provenance and scope.