Appendix B. Performance Measurements of ChaCha20
Appendix B. Performance Measurements of ChaCha20
The following measurements were made by Adam Langley for a blog post published on February 27th, 2014. The original blog post was available at the time of this writing at <https://www.imperialviolet.org/2014/02/27/tlssymmetriccrypto.html>.
| Chip | AES-128-GCM | ChaCha20-Poly1305 |
|---|---|---|
| OMAP 4460 | 24.1 MB/s | 75.3 MB/s |
| Snapdragon S4 Pro | 41.5 MB/s | 130.9 MB/s |
| Sandy Bridge Xeon (AES-NI) | 900 MB/s | 500 MB/s |
Table 1: Speed Comparison