Petri Hintukainen pushed to branch master at VideoLAN / libaacs
Commits:
1ac09798 by Petri Hintukainen at 2021-04-23T19:29:56+03:00
Simplify (use existing helper)
- - - - -
b9d3bfcd by Petri Hintukainen at 2021-04-23T22:07:22+03:00
CI: Fix macos
- - - - -
2 changed files:
- .gitlab-ci.yml
- src/libaacs/aacs.c
Changes:
=====================================
.gitlab-ci.yml
=====================================
@@ -23,8 +23,8 @@ build-macos:
- catalina
- amd64
script:
- - curl -sS -O
https://artifacts.videolan.org/vlc/macos/vlc-contrib-x86_64-apple-darwin19-45c21cd73727ddcd1af843a34dc4ca8648cc872c.tar.bz2
- - tar xf
vlc-contrib-x86_64-apple-darwin19-45c21cd73727ddcd1af843a34dc4ca8648cc872c.tar.bz2
+ - curl -sS -O
https://artifacts.videolan.org/vlc/macos-x86_64/vlc-contrib-x86_64-apple-darwin19-58c8b6aba888c666612e91d1cbb012aea630c853.tar.bz2
+ - tar xf
vlc-contrib-x86_64-apple-darwin19-58c8b6aba888c666612e91d1cbb012aea630c853.tar.bz2
- cd x86_64-apple-darwin19
- curl -sS -o ./change_prefix.sh
'https://git.videolan.org/?p=vlc.git;a=blob_plain;f=contrib/src/change_prefix.sh;hb=HEAD'
- chmod +x ./change_prefix.sh
=====================================
src/libaacs/aacs.c
=====================================
@@ -105,7 +105,6 @@ static int _validate_pk(const uint8_t *pk,
const uint8_t *cvalue, const uint8_t *uv, const
uint8_t *vd,
uint8_t *mk)
{
- gcry_cipher_hd_t gcry_h;
int a;
uint8_t dec_vd[16];
char str[40];
@@ -116,17 +115,13 @@ static int _validate_pk(const uint8_t *pk,
BD_DEBUG(DBG_AACS, " cvalue: %s\n", str_print_hex(str, cvalue, 16));
BD_DEBUG(DBG_AACS, " Verification data: %s\n", str_print_hex(str, vd,
16));
- gcry_cipher_open(&gcry_h, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_ECB, 0);
- gcry_cipher_setkey(gcry_h, pk, 16);
- gcry_cipher_decrypt(gcry_h, mk, 16, cvalue, 16);
+ crypto_aes128d(pk, cvalue, mk);
for (a = 0; a < 4; a++) {
mk[a + 12] ^= uv[a];
}
- gcry_cipher_setkey(gcry_h, mk, 16);
- gcry_cipher_decrypt (gcry_h, dec_vd, 16, vd, 16);
- gcry_cipher_close(gcry_h);
+ crypto_aes128d(mk, vd, dec_vd);
if (!memcmp(dec_vd, "\x01\x23\x45\x67\x89\xAB\xCD\xEF", 8)) {
BD_DEBUG(DBG_AACS, "Processing key %s is valid!\n", str_print_hex(str,
pk, 16));
View it on GitLab:
https://code.videolan.org/videolan/libaacs/-/compare/320dddd3637bb4743f9141c2199cf564e59835ec...b9d3bfcdf240b19a9fc6212dec7a9b6c50b5fb8d
--
View it on GitLab:
https://code.videolan.org/videolan/libaacs/-/compare/320dddd3637bb4743f9141c2199cf564e59835ec...b9d3bfcdf240b19a9fc6212dec7a9b6c50b5fb8d
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