diff options
| author | Miquel Raynal <miquel.raynal@bootlin.com> | 2018-05-15 11:57:18 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2018-05-25 20:12:58 -0400 |
| commit | da9c3392e6cb2f3bf6d9973b1bda3b6881608b8e (patch) | |
| tree | 8f081aeb747cc3e89db2dfe53810d540c6cfa0e3 /include/tpm-v2.h | |
| parent | 69cd8f0681f44c85365157e87dc6d36d17e3993d (diff) | |
tpm: add dictionary attack mitigation commands support
Add support for the TPM2_DictionaryAttackParameters and
TPM2_DictionaryAttackLockReset commands.
Change the command file and the help accordingly.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'include/tpm-v2.h')
| -rw-r--r-- | include/tpm-v2.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/include/tpm-v2.h b/include/tpm-v2.h index 7c2f6e91cd..ab8f113d82 100644 --- a/include/tpm-v2.h +++ b/include/tpm-v2.h @@ -191,4 +191,29 @@ u32 tpm2_pcr_read(u32 idx, unsigned int idx_min_sz, void *data, u32 tpm2_get_capability(u32 capability, u32 property, void *buf, size_t prop_count); +/** + * Issue a TPM2_DictionaryAttackLockReset command. + * + * @pw Password + * @pw_sz Length of the password + * + * @return code of the operation + */ +u32 tpm2_dam_reset(const char *pw, const ssize_t pw_sz); + +/** + * Issue a TPM2_DictionaryAttackParameters command. + * + * @pw Password + * @pw_sz Length of the password + * @max_tries Count of authorizations before lockout + * @recovery_time Time before decrementation of the failure count + * @lockout_recovery Time to wait after a lockout + * + * @return code of the operation + */ +u32 tpm2_dam_parameters(const char *pw, const ssize_t pw_sz, + unsigned int max_tries, unsigned int recovery_time, + unsigned int lockout_recovery); + #endif /* __TPM_V2_H */ |