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-rw-r--r--src/security/vboot/tpm_common.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/security/vboot/tpm_common.c b/src/security/vboot/tpm_common.c
index 1db7189d7a..0a211c57d4 100644
--- a/src/security/vboot/tpm_common.c
+++ b/src/security/vboot/tpm_common.c
@@ -46,7 +46,7 @@ vb2_error_t vboot_extend_pcr(struct vb2_context *ctx, int pcr,
switch (which_digest) {
/* SHA1 of (devmode|recmode|keyblock) bits */
case BOOT_MODE_PCR:
- return tpm_extend_pcr(pcr, VB2_HASH_SHA1, buffer, size,
+ return tpm_extend_pcr(pcr, VB2_HASH_SHA256, buffer, size,
TPM_PCR_BOOT_MODE);
/* SHA256 of HWID */
case HWID_DIGEST_PCR: