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[cmdline] Remove userptr_t from "digest" command

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Simplify the implementation of the "digest" command by assuming that
the entire image data can be passed directly to digest_update().

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2025-04-24 23:24:29 +01:00
parent 0edbc4c082
commit c1b558f59e
1 changed files with 2 additions and 16 deletions
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18
src/hci/commands/digest_cmd.c
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@@ -62,10 +62,6 @@ static int digest_exec ( int argc, char **argv,
struct image *image;
uint8_t digest_ctx[digest->ctxsize];
uint8_t digest_out[digest->digestsize];
uint8_t buf[128];
size_t offset;
size_t len;
size_t frag_len;
int i;
unsigned j;
int rc;
@@ -79,20 +75,10 @@ static int digest_exec ( int argc, char **argv,
/* Acquire image */
if ( ( rc = imgacquire ( argv[i], 0, &image ) ) != 0 )
continue;
offset = 0;
len = image->len;
/* calculate digest */
/* Calculate digest */
digest_init ( digest, digest_ctx );
while ( len ) {
frag_len = len;
if ( frag_len > sizeof ( buf ) )
frag_len = sizeof ( buf );
copy_from_user ( buf, image->data, offset, frag_len );
digest_update ( digest, digest_ctx, buf, frag_len );
len -= frag_len;
offset += frag_len;
}
digest_update ( digest, digest_ctx, image->data, image->len );
digest_final ( digest, digest_ctx, digest_out );
for ( j = 0 ; j < sizeof ( digest_out ) ; j++ )