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Deal with ECDH keys in FIPS mode according FIPS-140-3 requirements

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Related: rhbz#2102537
This commit is contained in:
Dmitry Belyavskiy 2022-07-25 14:41:43 +02:00
parent 3f7cd79d02
commit f1dba9d301
2 changed files with 47 additions and 0 deletions
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45
0044-FIPS-140-3-keychecks.patch
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@ -59,3 +59,48 @@ diff -up openssl-3.0.1/crypto/dh/dh_key.c.fips3 openssl-3.0.1/crypto/dh/dh_key.c
dh->dirty_cnt++;
ok = 1;
err:
diff -up openssl-3.0.1/crypto/ec/ec_key.c.fips3 openssl-3.0.1/crypto/ec/ec_key.c
diff -up openssl-3.0.1/providers/implementations/exchange/ecdh_exch.c.fips3 openssl-3.0.1/providers/implementations/exchange/ecdh_exch.c
--- openssl-3.0.1/providers/implementations/exchange/ecdh_exch.c.fips3 2022-07-25 13:42:46.814952053 +0200
+++ openssl-3.0.1/providers/implementations/exchange/ecdh_exch.c 2022-07-25 13:52:12.292065706 +0200
@@ -488,6 +488,25 @@ int ecdh_plain_derive(void *vpecdhctx, u
}
ppubkey = EC_KEY_get0_public_key(pecdhctx->peerk);
+#ifdef FIPS_MODULE
+ {
+ BN_CTX *bn_ctx = BN_CTX_new_ex(ossl_ec_key_get_libctx(privk));
+ int check = 0;
+
+ if (bn_ctx == NULL) {
+ ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE);
+ goto end;
+ }
+
+ check = ossl_ec_key_public_check(pecdhctx->peerk, bn_ctx);
+ BN_CTX_free(bn_ctx);
+
+ if (check <= 0) {
+ ERR_raise(ERR_LIB_PROV, EC_R_INVALID_PEER_KEY);
+ goto end;
+ }
+ }
+#endif
retlen = ECDH_compute_key(secret, size, ppubkey, privk, NULL);
diff -up openssl-3.0.1/crypto/ec/ec_key.c.fips3 openssl-3.0.1/crypto/ec/ec_key.c
--- openssl-3.0.1/crypto/ec/ec_key.c.fips3 2022-07-25 14:03:34.420222507 +0200
+++ openssl-3.0.1/crypto/ec/ec_key.c 2022-07-25 14:09:00.728164294 +0200
@@ -336,6 +336,11 @@ static int ec_generate_key(EC_KEY *eckey
OSSL_SELF_TEST_get_callback(eckey->libctx, &cb, &cbarg);
ok = ecdsa_keygen_pairwise_test(eckey, cb, cbarg);
+
+#ifdef FIPS_MODULE
+ ok &= ossl_ec_key_public_check(eckey, ctx);
+ ok &= ossl_ec_key_pairwise_check(eckey, ctx);
+#endif /* FIPS_MODULE */
}
err:
/* Step (9): If there is an error return an invalid keypair. */

2
openssl.spec
View File

@ -488,6 +488,8 @@ install -m644 %{SOURCE9} \
* Fri Aug 05 2022 Dmitry Belyavskiy <dbelyavs@redhat.com> - 1:3.0.1-40
- Deal with DH keys in FIPS mode according FIPS-140-3 requirements
Related: rhbz#2102536
- Deal with ECDH keys in FIPS mode according FIPS-140-3 requirements
Related: rhbz#2102537
* Mon Aug 01 2022 Clemens Lang <cllang@redhat.com> - 1:3.0.1-39
- Use RSA-OAEP in FIPS RSA encryption/decryption FIPS self-test