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This page compares the performance of the OpenCrypto framework (sys/opencrypto) to OpenSSL.
Intel(R) Xeon(R) CPU E5-2630 v3 @ 2.40GHz (2x 8 cores + Hyper Threading) r313645
| Algorithm | Opencrypto 8 KB | Opencrypto 128 KB | OpenSSL 8 KB |
| AES-128-CBC | 236 MB/s | 263 MB/s | 257 MB/s |
| AES-256-CBC | 175 MB/s | 190 MB/s | 184 MB/s |
| AES-128-CTR (ICM) | 842 MB/s | 1,358 MB/s | 1,802 MB/s |
| AES-256-CTR (ICM) | 716 MB/s | 1,057 MB/s | 1,292 MB/s |
| AES-128-XTS | 809 MB/s | 1,320 MB/s | 1,626 MB/s |
| AES-256-XTS | 686 MB/s | 1,033 MB/s | 1,160 MB/s |
| AES-128-GCM | 558 MB/s | 777 MB/s | 1,108 MB/s |
| AES-256-GCM | 504 MB/s | 668 MB/s | 850 MB/s |