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Resolves: RHEL-61265

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Allow RSA-OAEP in Fips mode
Add the algorithm to fips_algorythms and add additional checks.
This commit is contained in:
Krenzelok Frantisek 2024-10-24 10:09:14 +02:00
parent 2bd02ed0de
commit 62dd857c3f
3 changed files with 29 additions and 1 deletions
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2
fips_algorithms.h
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@ -20,6 +20,7 @@ typedef enum {
SFTKFIPSChkHash, /* make sure the base hash of KDF functions is FIPS */
SFTKFIPSChkHashTls, /* make sure the base hash of TLS KDF functions is FIPS */
SFTKFIPSChkHashSp800, /* make sure the base hash of SP-800-108 KDF functions is FIPS */
SFTKFIPSRSAOAEP, /* make sure that both hashes use the same FIPS compliant algorithm */
} SFTKFIPSSpecialClass;
/* set according to your security policy */
@ -79,6 +80,7 @@ SFTKFIPSAlgorithmList sftk_fips_mechs[] = {
#define AES_FB_KEY 128, 256
#define AES_FB_STEP 64
{ CKM_RSA_PKCS_KEY_PAIR_GEN, { RSA_FB_KEY, CKF_KPG }, RSA_FB_STEP, SFTKFIPSNone },
{ CKM_RSA_PKCS_OAEP, { RSA_FB_KEY, CKF_ENC }, RSA_FB_STEP, SFTKFIPSRSAOAEP },
/* -------------- RSA Multipart Signing Operations -------------------- */
{ CKM_SHA224_RSA_PKCS, { RSA_FB_KEY, CKF_SGN }, RSA_FB_STEP, SFTKFIPSNone },

20
nss-3.101-allow-fips-rsa-oaep.patch Normal file
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@ -0,0 +1,20 @@
diff -up ./lib/softoken/pkcs11u.c.fipsrsaoaep ./lib/softoken/pkcs11u.c
--- ./lib/softoken/pkcs11u.c.fipsrsaoaep 2024-10-24 09:27:17.971673855 +0200
+++ ./lib/softoken/pkcs11u.c 2024-10-24 09:23:35.006352872 +0200
@@ -2565,6 +2565,16 @@ sftk_handleSpecial(SFTKSlot *slot, CK_ME
}
}
return sftk_checkKeyLength(targetKeyLength, 112, 512, 1);
+ case SFTKFIPSRSAOAEP:
+ CK_RSA_PKCS_OAEP_PARAMS *rsaoaep = (CK_RSA_PKCS_OAEP_PARAMS *)
+ mech->pParameter;
+
+ HASH_HashType hash_msg = sftk_GetHashTypeFromMechanism(rsaoaep->hashAlg);
+ HASH_HashType hash_pad = sftk_GetHashTypeFromMechanism(rsaoaep->mgf);
+ /* message hash and mask generation function must be the same */
+ if (hash_pad != hash_msg) return PR_FALSE;
+
+ return sftk_checkFIPSHash(rsaoaep->hashAlg, PR_FALSE, PR_FALSE);
default:
break;
}

8
nss.spec
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@ -3,7 +3,7 @@
# NOTE: To avoid NVR clashes of nspr* packages:
# - reset %%{nspr_release} to 1, when updating %%{nspr_version}
# - increment %%{nspr_version}, when updating the NSS part only
%global baserelease 11
%global baserelease 12
%global nss_release %baserelease
# use "%%global nspr_release %%[%%baserelease+n]" to handle offsets when
# release number between nss and nspr are different.
@ -197,6 +197,9 @@ Patch89: nss-3.101-fips-check-ec25519-size.patch
Patch90: nss-3.101-disable_dsa.patch
Patch91: nss-3.101-replace-xyber_with-mlkem.patch
# Allow rsa-oaep in fips mode
Patch95: nss-3.101-allow-fips-rsa-oaep.patch
# NSS reverse patches
Patch300: nss-3.79-distrusted-certs.patch
@ -1171,6 +1174,9 @@ fi
%changelog
* Thu Nov 11 2024 Frantisek Krenzelok <krenzelok.frantisek@gmail.com> - 3.101.0-12
- Allow RSA-OAEP in FIPS mode
* Mon Nov 11 2024 Frantisek Krenzelok <fkrenzel@redhat.com> - 3.101.0-11
- fips check ed25519 key size.