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| author | Simon Glass <sjg@chromium.org> | 2018-11-18 14:22:25 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2018-11-29 09:30:06 -0700 |
| commit | 07e127d85d9f22ac93f1e9da41a985013c4002ed (patch) | |
| tree | 63c866fd677dc5ad785954b2fafaf34dd3cfcabb /include/tpm-common.h | |
| parent | 33810b4e7d81810a5245b342dfe6aea95150f895 (diff) | |
tpm: Add a constant for the minimum supported digest size
When SHA1 is used we need 20 bytes for the digest size. Add a constant so
that clients can make use of this, e.g. to allocate local buffers.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'include/tpm-common.h')
| -rw-r--r-- | include/tpm-common.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/tpm-common.h b/include/tpm-common.h index 5f8bc6bc52..449ad4c96e 100644 --- a/include/tpm-common.h +++ b/include/tpm-common.h @@ -26,6 +26,8 @@ enum tpm_duration { /* Max buffer size supported by our tpm */ #define TPM_DEV_BUFSIZE 1260 +#define TPM_PCR_MINIMUM_DIGEST_SIZE 20 + /** * enum tpm_version - The version of the TPM stack to be used * @TPM_V1: Use TPM v1.x stack |