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Add simple cipher benchmarking.

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This commit is contained in:
Milan Broz
2012-11-08 16:36:00 +01:00
parent 7199662fbb
commit db97d3d8c8
8 changed files with 342 additions and 4 deletions
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23
lib/libcryptsetup.h
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@@ -849,6 +849,29 @@ crypt_status_info crypt_status(struct crypt_device *cd, const char *name);
*/
int crypt_dump(struct crypt_device *cd);
/**
* Informational benchmark for ciphers
*
* @param cd crypt device handle
* @param cipher (e.g. "aes")
* @param cipher_mode (e.g. "xts"), IV generator is ignored
* @param volume_key_size size of volume key in bytes
* @param iv_size size of IV in bytes
* @param buffer_size size of encryption buffer in bytes used in test
* @param encryption_mbs measured encryption speed in MiB/s
* @param decryption_mbs measured decryption speed in MiB/s
*
* @return @e 0 on success or negative errno value otherwise.
*/
int crypt_benchmark(struct crypt_device *cd,
const char *cipher,
const char *cipher_mode,
size_t volume_key_size,
size_t iv_size,
size_t buffer_size,
double *encryption_mbs,
double *decryption_mbs);
/**
* Get cipher used in device
*