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From 45b80678109e5817b7cd15566a9d6c96b064b95f Mon Sep 17 00:00:00 2001
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From: Jakub Jelen <jjelen@redhat.com>
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Date: Wed, 1 Mar 2023 15:39:15 +0100
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Subject: [PATCH] random: Remove unused SHA384 DRBGs.
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* random/random-drbg.c (global): Remove unused SHA384-based defines.
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(drbg_cores): Remove SHA384 configurations.
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(drbg_sec_strength): Remove unused SHA384.
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--
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These are no longer allowed by FIPS and it looks like they were never
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usable as they do not have any conversion from the string flags.
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GnuPG-bug-id: 6393
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Signed-off-by: Jakub Jelen <jjelen@redhat.com>
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---
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random/random-drbg.c | 13 ++-----------
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1 file changed, 2 insertions(+), 11 deletions(-)
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diff --git a/random/random-drbg.c b/random/random-drbg.c
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index f1cfe286..af49a5a5 100644
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--- a/random/random-drbg.c
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+++ b/random/random-drbg.c
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@@ -188,11 +188,9 @@
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#define DRBG_HASHSHA1 ((u32)1<<4)
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#define DRBG_HASHSHA224 ((u32)1<<5)
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#define DRBG_HASHSHA256 ((u32)1<<6)
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-#define DRBG_HASHSHA384 ((u32)1<<7)
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#define DRBG_HASHSHA512 ((u32)1<<8)
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#define DRBG_HASH_MASK (DRBG_HASHSHA1 | DRBG_HASHSHA224 \
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- | DRBG_HASHSHA256 | DRBG_HASHSHA384 \
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- | DRBG_HASHSHA512)
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+ | DRBG_HASHSHA256 | DRBG_HASHSHA512)
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/* type modifiers (A.3)*/
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#define DRBG_HMAC ((u32)1<<12)
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#define DRBG_SYM128 ((u32)1<<13)
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@@ -211,23 +209,18 @@
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#define DRBG_NOPR_CTRAES256 (DRBG_CTRAES | DRBG_SYM256)
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#define DRBG_PR_HASHSHA1 (DRBG_PREDICTION_RESIST | DRBG_HASHSHA1)
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#define DRBG_PR_HASHSHA256 (DRBG_PREDICTION_RESIST | DRBG_HASHSHA256)
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-#define DRBG_PR_HASHSHA384 (DRBG_PREDICTION_RESIST | DRBG_HASHSHA384)
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#define DRBG_PR_HASHSHA512 (DRBG_PREDICTION_RESIST | DRBG_HASHSHA512)
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#define DRBG_NOPR_HASHSHA1 (DRBG_HASHSHA1)
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#define DRBG_NOPR_HASHSHA256 (DRBG_HASHSHA256)
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-#define DRBG_NOPR_HASHSHA384 (DRBG_HASHSHA384)
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#define DRBG_NOPR_HASHSHA512 (DRBG_HASHSHA512)
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#define DRBG_PR_HMACSHA1 (DRBG_PREDICTION_RESIST | DRBG_HASHSHA1 \
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| DRBG_HMAC)
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#define DRBG_PR_HMACSHA256 (DRBG_PREDICTION_RESIST | DRBG_HASHSHA256 \
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| DRBG_HMAC)
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-#define DRBG_PR_HMACSHA384 (DRBG_PREDICTION_RESIST | DRBG_HASHSHA384 \
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- | DRBG_HMAC)
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#define DRBG_PR_HMACSHA512 (DRBG_PREDICTION_RESIST | DRBG_HASHSHA512 \
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| DRBG_HMAC)
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#define DRBG_NOPR_HMACSHA1 (DRBG_HASHSHA1 | DRBG_HMAC)
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#define DRBG_NOPR_HMACSHA256 (DRBG_HASHSHA256 | DRBG_HMAC)
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-#define DRBG_NOPR_HMACSHA384 (DRBG_HASHSHA384 | DRBG_HMAC)
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#define DRBG_NOPR_HMACSHA512 (DRBG_HASHSHA512 | DRBG_HMAC)
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@@ -359,12 +352,10 @@ static const struct drbg_core_s drbg_cores[] = {
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/* Hash DRBGs */
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{DRBG_HASHSHA1, 55, 20, GCRY_MD_SHA1},
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{DRBG_HASHSHA256, 55, 32, GCRY_MD_SHA256},
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- {DRBG_HASHSHA384, 111, 48, GCRY_MD_SHA384},
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{DRBG_HASHSHA512, 111, 64, GCRY_MD_SHA512},
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/* HMAC DRBGs */
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{DRBG_HASHSHA1 | DRBG_HMAC, 20, 20, GCRY_MD_SHA1},
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{DRBG_HASHSHA256 | DRBG_HMAC, 32, 32, GCRY_MD_SHA256},
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- {DRBG_HASHSHA384 | DRBG_HMAC, 48, 48, GCRY_MD_SHA384},
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{DRBG_HASHSHA512 | DRBG_HMAC, 64, 64, GCRY_MD_SHA512},
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/* block ciphers */
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{DRBG_CTRAES | DRBG_SYM128, 32, 16, GCRY_CIPHER_AES128},
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@@ -543,7 +534,7 @@ drbg_sec_strength (u32 flags)
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else if (flags & DRBG_SYM192)
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return 24;
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else if ((flags & DRBG_SYM256) || (flags & DRBG_HASHSHA256) ||
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- (flags & DRBG_HASHSHA384) || (flags & DRBG_HASHSHA512))
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+ (flags & DRBG_HASHSHA512))
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return 32;
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else
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return 32;
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--
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2.39.2
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