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journal: initialize libgcrypt explicitly, before using HMAC

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This commit is contained in:
Lennart Poettering 2012-08-21 01:43:37 +02:00
parent 89fef99014
commit 72fbdd3349
1 changed files with 14 additions and 0 deletions
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14
src/journal/journal-authenticate.c
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@ -413,12 +413,26 @@ finish:
return r;
}
static void initialize_libgcrypt(void) {
const char *p;
if (gcry_control(GCRYCTL_INITIALIZATION_FINISHED_P))
return;
p = gcry_check_version("1.4.5");
assert(p);
gcry_control(GCRYCTL_INITIALIZATION_FINISHED, 0);
}
int journal_file_hmac_setup(JournalFile *f) {
gcry_error_t e;
if (!f->seal)
return 0;
initialize_libgcrypt();
e = gcry_md_open(&f->hmac, GCRY_MD_SHA256, GCRY_MD_FLAG_HMAC);
if (e != 0)
return -ENOTSUP;