NIST SP 800-57 comparable strengths: RSA, DH, DSA, ECC and AES key sizes to secu...

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{ "example": { "algorithm": "rsa", "asOf": "2026-10-11T14:38:13.789Z", "degraded": false, "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.", "notChecked": [ "the effect of quantum computers (Shor's algorithm breaks RSA, DH, DSA and ECC outright; Grover roughly halves symmetric and hash strength)", "protocol-specific requirements (TLS, FIPS 140 validation, SP 800-131A transitions beyond Table 4)", "…2 more" ], "reasons": [ "Comparable strength means the effort to break it is about 2^strength operations, per NIST's estimates.", "Public-key sizes between rows take the strength of the row they have reached (a conservative reading).", "…1 more" ], "sameStrengthAs": { "eccKeyBits": "224-255", "ffcDsaDh": "L=2048, N=224", "ifcRsaModulusBits": 2048, "securityStrengthBits": 112, "symmetric": "3TDEA" }, "securityStrengthBits": 112, "size": 2048, "source": "NIST SP 800-57 Part 1 Rev. 5 (2020), Tables 2, 3 and 4", "status": "acceptable for applying protection through 2030; disallowed from 2031 (legacy use to process)", "summary": "RSA 2048 bits gives about 112 bits of security strength; acceptable for applying protection through 2030; disallowed from 2031 (legacy use to process).", "table": [ { "eccKeyBits": "160-223", "ffcDsaDh": "L=1024, N=160", "ifcRsaModulusBits": 1024, "securityStrengthBits": 80, "symmetric": "2TDEA" }, { "eccKeyBits": "224-255", "ffcDsaDh": "L=2048, N=224", "ifcRsaModulusBits": 2048, "securityStrengthBits": 112, "symmetric": "3TDEA" } ], "verdict": "ADEQUATE" }, "type": "json" }