On Mon, 2019-01-07 at 10:26 +0800, Jia Zhang wrote:
> Instead, use SHA_DIGEST_LENGTH.
>
> Signed-off-by: Jia Zhang <zhang.jia@xxxxxxxxxxxxxxxxx>
Reviewed-by: Mimi Zohar <zohar@xxxxxxxxxxxxx>
> ---
> testcases/kernel/security/integrity/ima/src/ima_boot_aggregate.c | 9 +++++----
> 1 file changed, 5 insertions(+), 4 deletions(-)
>
> diff --git a/testcases/kernel/security/integrity/ima/src/ima_boot_aggregate.c b/testcases/kernel/security/integrity/ima/src/ima_boot_aggregate.c
> index d85d222..67be6a7 100644
> --- a/testcases/kernel/security/integrity/ima/src/ima_boot_aggregate.c
> +++ b/testcases/kernel/security/integrity/ima/src/ima_boot_aggregate.c
> @@ -42,7 +42,7 @@ static void display_sha1_digest(unsigned char *pcr)
> {
> int i;
>
> - for (i = 0; i < 20; i++)
> + for (i = 0; i < SHA_DIGEST_LENGTH; i++)
> printf("%02x", *(pcr + i) & 0xff);
> printf("\n");
> }
> @@ -94,8 +94,9 @@ int main(int argc, char *argv[])
> display_sha1_digest(event.header.digest);
> }
> SHA1_Init(&c);
> - SHA1_Update(&c, pcr[event.header.pcr].digest, 20);
> - SHA1_Update(&c, event.header.digest, 20);
> + SHA1_Update(&c, pcr[event.header.pcr].digest,
> + SHA_DIGEST_LENGTH);
> + SHA1_Update(&c, event.header.digest, SHA_DIGEST_LENGTH);
> SHA1_Final(pcr[event.header.pcr].digest, &c);
> #if MAX_EVENT_DATA_SIZE < USHRT_MAX
> if (event.header.len > MAX_EVENT_DATA_SIZE) {
> @@ -116,7 +117,7 @@ int main(int argc, char *argv[])
> printf("PCR-%2.2x: ", i);
> display_sha1_digest(pcr[i].digest);
> }
> - SHA1_Update(&c, pcr[i].digest, 20);
> + SHA1_Update(&c, pcr[i].digest, SHA_DIGEST_LENGTH);
> }
> SHA1_Final(boot_aggregate, &c);
>
