From 61e483211022a52aeed7f84f1d08efaa8f4e3eed Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Fran=C3=A7ois=20Kooman?= Date: Wed, 9 Aug 2023 16:39:21 +0200 Subject: [PATCH] ITS#9827 update Argon2 defaults MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit - switch to argon2id by default (from argon2i) - use OWASP recommended parameters as defaults This only affects builds that use libargon2, e.g. Debian, and not builds that use libsodium as argon2id is already the default there, and better parameters are used References: https://bugs.openldap.org/show_bug.cgi?id=9827 Signed-off-by: François Kooman --- servers/slapd/pwmods/argon2.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/servers/slapd/pwmods/argon2.c b/servers/slapd/pwmods/argon2.c index f3f7b4cbfb..7c672714dc 100644 --- a/servers/slapd/pwmods/argon2.c +++ b/servers/slapd/pwmods/argon2.c @@ -29,11 +29,11 @@ #include /* - * For now, we hardcode the default values from the argon2 command line tool - * (as of argon2 release 20161029) + * Use OWASP recommended values (retrieved on 2023-08-07) + * @see https://cheatsheetseries.owasp.org/cheatsheets/Password_Storage_Cheat_Sheet.html */ -#define SLAPD_ARGON2_ITERATIONS 3 -#define SLAPD_ARGON2_MEMORY (1 << 12) +#define SLAPD_ARGON2_ITERATIONS 2 +#define SLAPD_ARGON2_MEMORY 19456 #define SLAPD_ARGON2_PARALLELISM 1 #define SLAPD_ARGON2_SALT_LENGTH 16 #define SLAPD_ARGON2_HASH_LENGTH 32 @@ -108,7 +108,7 @@ slapd_argon2_hash( /* * Do the actual heavy lifting */ - if ( argon2i_hash_encoded( iterations, memory, parallelism, + if ( argon2id_hash_encoded( iterations, memory, parallelism, passwd->bv_val, passwd->bv_len, salt.bv_val, salt_length, hash_length, p, encoded_length ) == 0 ) {