Research Article
On Security Management: Improving Energy Efficiency, Decreasing Negative Environmental Impact, and Reducing Financial Costs for Data Centers
Table 3
Security metrics gathered by Crypto Metrics Tool for the purpose of our case study.
| | Security mechanism | Characteristics | | Operation type | Operation mode | Key length | Base measure (CPU time) |
| | AES | Encryption
Decryption | CBC | 128 bytes | 0.0000043972 ms |
| | AES | Encryption
Decryption | CBC | 256 bytes | 0.0000060001 ms |
| | RSA | Encryption
Decryption | — | 2048 bytes | 0.0002539800 ms |
| | RC4 | Encryption
Decryption | Stream | 128 bytes | 0.0000012571 ms |
| | SHA-1 | hmac | — | — | 0.0000016390 ms |
| | SHA-512 | hmac | — | — | 0.0000028952 ms |
| | MD5 | hmac | — | — | 0.0000014137 ms |
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