== Lengths ==

The length of ciphers with comparable security.

|| '''Symmetric''' || '''ECC''' || '''DH/DSA/RSA''' ||
||  80 || 163 || 1024  ||
|| 112 || 233 || 2048  ||
|| 128 || 283 || 3072  ||
|| 192 || 409 || 7680  ||
|| 256 || 571 || 15360 ||
IETF [1]


|| '''Symmetric Key''' || '''EC''' || '''RSA''' || '''Time to Break''' || '''Machines''' || '''Memory''' ||
||  56 || 112 ||  430 || < 5 min || 105 || trivial
||  80 || 160 ||  760 || 600 months || 4300 || 4Gb
||  96 || 192 || 1020 || 3*10^6 yrs || 114 || 170Gb
|| 128 || 256 || 1620 || 10^16 yrs  || 0.16 || 120Tb
Analysis by RSA-labs [2]


[1] ECRYPT II 2011  http://www.ecrypt.eu.org/documents/D.SPA.17.pdf[[BR]]
[2] http://tools.ietf.org/html/rfc4492