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 -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 @@ -951,8 +951,8 @@ static int ssl_security_default_callback if (level >= 2 && c->algorithm_enc == SSL_RC4) return 0; /* Level 3: forward secure ciphersuites only */ - if (level >= 3 && (c->min_tls != TLS1_3_VERSION || - !(c->algorithm_mkey & (SSL_kEDH | SSL_kEECDH)))) + if (level >= 3 && c->min_tls != TLS1_3_VERSION && + !(c->algorithm_mkey & (SSL_kEDH | SSL_kEECDH))) return 0; break; } @@ -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");