In http://csrc.nist.gov/publications/nistpubs/800-57/SP800-57-Part1.pdf Nist publishes a table of equivalent crypto algorithm/key strengths.
security Symmetric DSA,DH RSA ECDSA bits algorithms -------- ---------- ----------------- ---------- ------------- 80 2 key 3DES L = 1024 N = 160 k = 1024 f = 160-223 112 3 key 3DES L = 2048 N = 224 k = 2048 f = 224-255 128 AES-128 L = 3072 N = 256 k = 3072 f = 256-383 192 AES-192 L = 7680 N = 384 k = 7680 f = 384-511 256 AES-256 L = 15360 N = 512 k = 15360 f = 512+ _______________________________________________ dev-tech-crypto mailing list dev-tech-crypto@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-tech-crypto