Browse Source

bugfix in cmac calculation example

The example never executes code inside of the while loop, as read()
returns bigger number than 0. Thus the end result is wrong.

CLA: trivial

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/11143)
master
Asfak Rahman 2 years ago
committed by Tomas Mraz
parent
commit
38e6c4907e
1 changed files with 2 additions and 2 deletions
  1. +2
    -2
      doc/man3/EVP_MAC.pod

+ 2
- 2
doc/man3/EVP_MAC.pod View File

@ -331,7 +331,7 @@ EVP_MAC_do_all_provided() returns nothing at all.
if (!EVP_MAC_init(ctx))
goto err;
while ( (read_l = read(STDIN_FILENO, buf, sizeof(buf))) < 0) {
while ( (read_l = read(STDIN_FILENO, buf, sizeof(buf))) > 0) {
if (!EVP_MAC_update(ctx, buf, read_l))
goto err;
}
@ -361,7 +361,7 @@ look like this:
$ MY_MAC=cmac MY_KEY=secret0123456789 MY_MAC_CIPHER=aes-128-cbc \
LD_LIBRARY_PATH=. ./foo < foo.c
Result: ECCAAFF041B22A2299EB90A1B53B6D45
Result: C5C06683CD9DDEF904D754505C560A4E
(in this example, that program was stored in F<foo.c> and compiled to
F<./foo>)


Loading…
Cancel
Save