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Jan
8
comment Signatures: RSA compared to ECDSA
Equivalent symmetric security for ecdsa P-256 would need RSA 3072-bit. Looks like RSA is the best performer for verification at least through 2048-bit keys. Performance numbers from a virtual machine running OpenSSL 0.9.8k 25 Mar 2009: rsa-2048: 3,858 verify/sec; dsa-2048: 280 verify/sec; ecdsa-p256: 371 verify/sec.