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Require Libgcrypt 1.8

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* configure.ac (NEED_LIBGCRYPT_VERSION): Require 1.8.
* tools/gpgconf.c (show_version_libgcrypt): Remove conditional case
for Libgcrypt < 1.8.
* common/compliance.c (gnupg_rng_is_compliant): Ditto.
* agent/pksign.c: Ditto.
* agent/gpg-agent.c (thread_init_once): Ditto.
(agent_libgcrypt_progress_cb): Ditto.
* agent/command.c (cmd_getinfo): Ditto.
--

Libgcrypt 1.7 reached end-of-life more than a year ago.  Thus there is
no reason to keep backward support for it.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2020-11-09 12:03:19 +01:00
parent f05d1772c4
commit 99ab3aed15
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GPG key ID: E3FDFF218E45B72B
6 changed files with 1 additions and 36 deletions
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19
agent/gpg-agent.c
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@ -984,9 +984,7 @@ thread_init_once (void)
* has already been initialized but at that point nPth was not
* initialized and thus Libgcrypt could not set its system call
* clamp. */
#if GCRYPT_VERSION_NUMBER >= 0x010800 /* 1.8.0 */
gcry_control (GCRYCTL_REINIT_SYSCALL_CLAMP, 0, 0);
#endif
}
@ -1864,23 +1862,6 @@ agent_libgcrypt_progress_cb (void *data, const char *what, int printchar,
break;
if (dispatch && dispatch->cb)
dispatch->cb (dispatch->ctrl, what, printchar, current, total);
/* Libgcrypt < 1.8 does not know about nPth and thus when it reads
* from /dev/random this will block the process. To mitigate this
* problem we yield the thread when Libgcrypt tells us that it needs
* more entropy. This way other threads have chance to run. */
#if GCRYPT_VERSION_NUMBER < 0x010800 /* 1.8.0 */
if (what && !strcmp (what, "need_entropy"))
{
#if GPGRT_VERSION_NUMBER < 0x011900 /* 1.25 */
/* In older gpg-error versions gpgrt_yield is buggy for use with
* nPth and thus we need to resort to a sleep call. */
npth_usleep (1000); /* 1ms */
#else
gpgrt_yield ();
#endif
}
#endif
}