openssl/openssl-1.1.1-seclevel.patch
2019-01-15 15:07:49 +01:00

66 lines
3.2 KiB
Diff

diff -up openssl-1.1.1/crypto/x509/x509_vfy.c.seclevel openssl-1.1.1/crypto/x509/x509_vfy.c
--- openssl-1.1.1/crypto/x509/x509_vfy.c.seclevel 2018-09-11 14:48:22.000000000 +0200
+++ openssl-1.1.1/crypto/x509/x509_vfy.c 2018-10-01 09:52:23.535298908 +0200
@@ -3220,6 +3220,7 @@ static int build_chain(X509_STORE_CTX *c
}
static const int minbits_table[] = { 80, 112, 128, 192, 256 };
+static const int minbits_digest_table[] = { 80, 80, 128, 192, 256 };
static const int NUM_AUTH_LEVELS = OSSL_NELEM(minbits_table);
/*
@@ -3264,6 +3265,8 @@ static int check_sig_level(X509_STORE_CT
if (!X509_get_signature_info(cert, NULL, NULL, &secbits, NULL))
return 0;
-
- return secbits >= minbits_table[level - 1];
+ /* Allow SHA1 in SECLEVEL 2 in non-FIPS mode */
+ if (FIPS_mode())
+ return secbits >= minbits_table[level - 1];
+ return secbits >= minbits_digest_table[level - 1];
}
diff -up openssl-1.1.1/doc/man3/SSL_CTX_set_security_level.pod.seclevel openssl-1.1.1/doc/man3/SSL_CTX_set_security_level.pod
--- openssl-1.1.1/doc/man3/SSL_CTX_set_security_level.pod.seclevel 2018-09-11 14:48:22.000000000 +0200
+++ openssl-1.1.1/doc/man3/SSL_CTX_set_security_level.pod 2018-10-01 09:52:23.535298908 +0200
@@ -81,8 +81,10 @@ using MD5 for the MAC is also prohibited
=item B<Level 2>
-Security level set to 112 bits of security. As a result RSA, DSA and DH keys
-shorter than 2048 bits and ECC keys shorter than 224 bits are prohibited.
+Security level set to 112 bits of security with the exception of SHA1 allowed
+for signatures.
+As a result RSA, DSA and DH keys shorter than 2048 bits and ECC keys
+shorter than 224 bits are prohibited.
In addition to the level 1 exclusions any cipher suite using RC4 is also
prohibited. SSL version 3 is also not allowed. Compression is disabled.
diff -up openssl-1.1.1/ssl/ssl_cert.c.seclevel openssl-1.1.1/ssl/ssl_cert.c
--- openssl-1.1.1/ssl/ssl_cert.c.seclevel 2018-09-11 14:48:23.000000000 +0200
+++ openssl-1.1.1/ssl/ssl_cert.c 2018-10-12 15:29:12.673799305 +0200
@@ -983,6 +983,9 @@ static int ssl_security_default_callback
return 0;
break;
default:
+ /* allow SHA1 in SECLEVEL 2 in non FIPS mode */
+ if (nid == NID_sha1 && minbits == 112 && !FIPS_mode())
+ break;
if (bits < minbits)
return 0;
}
diff -up openssl-1.1.1/test/recipes/25-test_verify.t.seclevel openssl-1.1.1/test/recipes/25-test_verify.t
--- openssl-1.1.1/test/recipes/25-test_verify.t.seclevel 2018-09-11 14:48:24.000000000 +0200
+++ openssl-1.1.1/test/recipes/25-test_verify.t 2018-10-01 09:52:23.535298908 +0200
@@ -342,8 +342,8 @@ ok(verify("ee-pss-sha1-cert", "sslserver
ok(verify("ee-pss-sha256-cert", "sslserver", ["root-cert"], ["ca-cert"], ),
"CA with PSS signature using SHA256");
-ok(!verify("ee-pss-sha1-cert", "sslserver", ["root-cert"], ["ca-cert"], "-auth_level", "2"),
- "Reject PSS signature using SHA1 and auth level 2");
+ok(!verify("ee-pss-sha1-cert", "sslserver", ["root-cert"], ["ca-cert"], "-auth_level", "3"),
+ "Reject PSS signature using SHA1 and auth level 3");
ok(verify("ee-pss-sha256-cert", "sslserver", ["root-cert"], ["ca-cert"], "-auth_level", "2"),
"PSS signature using SHA256 and auth level 2");