test/ffc_internal_test.c

   1 /*
   2  * Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved.
   3  * Copyright (c) 2019-2020, Oracle and/or its affiliates.  All rights reserved.
   4  *
   5  * Licensed under the Apache License 2.0 (the "License").  You may not use
   6  * this file except in compliance with the License.  You can obtain a copy
   7  * in the file LICENSE in the source distribution or at
   8  * https://www.openssl.org/source/license.html
   9  */
  10
  11 /*
  12  * This is an internal test that is intentionally using internal APIs. Some of
  13  * those APIs are deprecated for public use.
  14  */
  15 #include "internal/deprecated.h"
  16
  17 #include <stdio.h>
  18 #include <stdlib.h>
  19 #include <string.h>
  20
  21 #include "internal/nelem.h"
  22 #include <openssl/crypto.h>
  23 #include <openssl/bio.h>
  24 #include <openssl/bn.h>
  25 #include <openssl/rand.h>
  26 #include <openssl/err.h>
  27 #include "testutil.h"
  28
  29 #include "internal/ffc.h"
  30
  31 #ifndef OPENSSL_NO_DSA
  32 static const unsigned char dsa_2048_224_sha224_p[] = {
  33     0x93, 0x57, 0x93, 0x62, 0x1b, 0x9a, 0x10, 0x9b, 0xc1, 0x56, 0x0f, 0x24,
  34     0x71, 0x76, 0x4e, 0xd3, 0xed, 0x78, 0x78, 0x7a, 0xbf, 0x89, 0x71, 0x67,
  35     0x8e, 0x03, 0xd8, 0x5b, 0xcd, 0x22, 0x8f, 0x70, 0x74, 0xff, 0x22, 0x05,
  36     0x07, 0x0c, 0x4c, 0x60, 0xed, 0x41, 0xe1, 0x9e, 0x9c, 0xaa, 0x3e, 0x19,
  37     0x5c, 0x3d, 0x80, 0x58, 0xb2, 0x7f, 0x5f, 0x89, 0xec, 0xb5, 0x19, 0xdb,
  38     0x06, 0x11, 0xe9, 0x78, 0x5c, 0xf9, 0xa0, 0x9e, 0x70, 0x62, 0x14, 0x7b,
  39     0xda, 0x92, 0xbf, 0xb2, 0x6b, 0x01, 0x6f, 0xb8, 0x68, 0x9c, 0x89, 0x36,
  40     0x89, 0x72, 0x79, 0x49, 0x93, 0x3d, 0x14, 0xb2, 0x2d, 0xbb, 0xf0, 0xdf,
  41     0x94, 0x45, 0x0b, 0x5f, 0xf1, 0x75, 0x37, 0xeb, 0x49, 0xb9, 0x2d, 0xce,
  42     0xb7, 0xf4, 0x95, 0x77, 0xc2, 0xe9, 0x39, 0x1c, 0x4e, 0x0c, 0x40, 0x62,
  43     0x33, 0x0a, 0xe6, 0x29, 0x6f, 0xba, 0xef, 0x02, 0xdd, 0x0d, 0xe4, 0x04,
  44     0x01, 0x70, 0x40, 0xb9, 0xc9, 0x7e, 0x2f, 0x10, 0x37, 0xe9, 0xde, 0xb0,
  45     0xf6, 0xeb, 0x71, 0x7f, 0x9c, 0x35, 0x16, 0xf3, 0x0d, 0xc4, 0xe8, 0x02,
  46     0x37, 0x6c, 0xdd, 0xb3, 0x8d, 0x2d, 0x1e, 0x28, 0x13, 0x22, 0x89, 0x40,
  47     0xe5, 0xfa, 0x16, 0x67, 0xd6, 0xda, 0x12, 0xa2, 0x38, 0x83, 0x25, 0xcc,
  48     0x26, 0xc1, 0x27, 0x74, 0xfe, 0xf6, 0x7a, 0xb6, 0xa1, 0xe4, 0xe8, 0xdf,
  49     0x5d, 0xd2, 0x9c, 0x2f, 0xec, 0xea, 0x08, 0xca, 0x48, 0xdb, 0x18, 0x4b,
  50     0x12, 0xee, 0x16, 0x9b, 0xa6, 0x00, 0xa0, 0x18, 0x98, 0x7d, 0xce, 0x6c,
  51     0x6d, 0xf8, 0xfc, 0x95, 0x51, 0x1b, 0x0a, 0x40, 0xb6, 0xfc, 0xe5, 0xe2,
  52     0xb0, 0x26, 0x53, 0x4c, 0xd7, 0xfe, 0xaa, 0x6d, 0xbc, 0xdd, 0xc0, 0x61,
  53     0x65, 0xe4, 0x89, 0x44, 0x18, 0x6f, 0xd5, 0x39, 0xcf, 0x75, 0x6d, 0x29,
  54     0xcc, 0xf8, 0x40, 0xab
  55 };
  56 static const unsigned char dsa_2048_224_sha224_q[] = {
  57     0xf2, 0x5e, 0x4e, 0x9a, 0x15, 0xa8, 0x13, 0xdf, 0xa3, 0x17, 0x90, 0xc6,
  58     0xd6, 0x5e, 0xb1, 0xfb, 0x31, 0xf8, 0xb5, 0xb1, 0x4b, 0xa7, 0x6d, 0xde,
  59     0x57, 0x76, 0x6f, 0x11
  60 };
  61 static const unsigned char dsa_2048_224_sha224_seed[] = {
  62     0xd2, 0xb1, 0x36, 0xd8, 0x5b, 0x8e, 0xa4, 0xb2, 0x6a, 0xab, 0x4e, 0x85,
  63     0x8b, 0x49, 0xf9, 0xdd, 0xe6, 0xa1, 0xcd, 0xad, 0x49, 0x52, 0xe9, 0xb3,
  64     0x36, 0x17, 0x06, 0xcf
  65 };
  66 static const unsigned char dsa_2048_224_sha224_bad_seed[] = {
  67     0xd2, 0xb1, 0x36, 0xd8, 0x5b, 0x8e, 0xa4, 0xb2, 0x6a, 0xab, 0x4e, 0x85,
  68     0x8b, 0x49, 0xf9, 0xdd, 0xe6, 0xa1, 0xcd, 0xad, 0x49, 0x52, 0xe9, 0xb3,
  69     0x36, 0x17, 0x06, 0xd0
  70 };
  71 static int dsa_2048_224_sha224_counter = 2878;
  72
  73 static const unsigned char dsa_3072_256_sha512_p[] = {
  74     0x9a, 0x82, 0x8b, 0x8d, 0xea, 0xd0, 0x56, 0x23, 0x88, 0x2d, 0x5d, 0x41,
  75     0x42, 0x4c, 0x13, 0x5a, 0x15, 0x81, 0x59, 0x02, 0xc5, 0x00, 0x82, 0x28,
  76     0x01, 0xee, 0x8f, 0x99, 0xfd, 0x6a, 0x95, 0xf2, 0x0f, 0xae, 0x34, 0x77,
  77     0x29, 0xcc, 0xc7, 0x50, 0x0e, 0x03, 0xef, 0xb0, 0x4d, 0xe5, 0x10, 0x00,
  78     0xa8, 0x7b, 0xce, 0x8c, 0xc6, 0xb2, 0x01, 0x74, 0x23, 0x1b, 0x7f, 0xe8,
  79     0xf9, 0x71, 0x28, 0x39, 0xcf, 0x18, 0x04, 0xb2, 0x95, 0x61, 0x2d, 0x11,
  80     0x71, 0x6b, 0xdd, 0x0d, 0x0b, 0xf0, 0xe6, 0x97, 0x52, 0x29, 0x9d, 0x45,
  81     0xb1, 0x23, 0xda, 0xb0, 0xd5, 0xcb, 0x51, 0x71, 0x8e, 0x40, 0x9c, 0x97,
  82     0x13, 0xea, 0x1f, 0x4b, 0x32, 0x5d, 0x27, 0x74, 0x81, 0x8d, 0x47, 0x8a,
  83     0x08, 0xce, 0xf4, 0xd1, 0x28, 0xa2, 0x0f, 0x9b, 0x2e, 0xc9, 0xa3, 0x0e,
  84     0x5d, 0xde, 0x47, 0x19, 0x6d, 0x5f, 0x98, 0xe0, 0x8e, 0x7f, 0x60, 0x8f,
  85     0x25, 0xa7, 0xa4, 0xeb, 0xb9, 0xf3, 0x24, 0xa4, 0x9e, 0xc1, 0xbd, 0x14,
  86     0x27, 0x7c, 0x27, 0xc8, 0x4f, 0x5f, 0xed, 0xfd, 0x86, 0xc8, 0xf1, 0xd7,
  87     0x82, 0xe2, 0xeb, 0xe5, 0xd2, 0xbe, 0xb0, 0x65, 0x28, 0xab, 0x99, 0x9e,
  88     0xcd, 0xd5, 0x22, 0xf8, 0x1b, 0x3b, 0x01, 0xe9, 0x20, 0x3d, 0xe4, 0x98,
  89     0x22, 0xfe, 0xfc, 0x09, 0x7e, 0x95, 0x20, 0xda, 0xb6, 0x12, 0x2c, 0x94,
  90     0x5c, 0xea, 0x74, 0x71, 0xbd, 0x19, 0xac, 0x78, 0x43, 0x02, 0x51, 0xb8,
  91     0x5f, 0x06, 0x1d, 0xea, 0xc8, 0xa4, 0x3b, 0xc9, 0x78, 0xa3, 0x2b, 0x09,
  92     0xdc, 0x76, 0x74, 0xc4, 0x23, 0x14, 0x48, 0x2e, 0x84, 0x2b, 0xa3, 0x82,
  93     0xc1, 0xba, 0x0b, 0x39, 0x2a, 0x9f, 0x24, 0x7b, 0xd6, 0xc2, 0xea, 0x5a,
  94     0xb6, 0xbd, 0x15, 0x82, 0x21, 0x85, 0xe0, 0x6b, 0x12, 0x4f, 0x8d, 0x64,
  95     0x75, 0xeb, 0x7e, 0xa1, 0xdb, 0xe0, 0x9d, 0x25, 0xae, 0x3b, 0xe9, 0x9b,
  96     0x21, 0x7f, 0x9a, 0x3d, 0x66, 0xd0, 0x52, 0x1d, 0x39, 0x8b, 0xeb, 0xfc,
  97     0xec, 0xbe, 0x72, 0x20, 0x5a, 0xdf, 0x1b, 0x00, 0xf1, 0x0e, 0xed, 0xc6,
  98     0x78, 0x6f, 0xc9, 0xab, 0xe4, 0xd6, 0x81, 0x8b, 0xcc, 0xf6, 0xd4, 0x6a,
  99     0x31, 0x62, 0x08, 0xd9, 0x38, 0x21, 0x8f, 0xda, 0x9e, 0xb1, 0x2b, 0x9c,
 100     0xc0, 0xbe, 0xf7, 0x9a, 0x43, 0x2d, 0x07, 0x59, 0x46, 0x0e, 0xd5, 0x23,
 101     0x4e, 0xaa, 0x4a, 0x04, 0xc2, 0xde, 0x33, 0xa6, 0x34, 0xba, 0xac, 0x4f,
 102     0x78, 0xd8, 0xca, 0x76, 0xce, 0x5e, 0xd4, 0xf6, 0x85, 0x4c, 0x6a, 0x60,
 103     0x08, 0x5d, 0x0e, 0x34, 0x8b, 0xf2, 0xb6, 0xe3, 0xb7, 0x51, 0xca, 0x43,
 104     0xaa, 0x68, 0x7b, 0x0a, 0x6e, 0xea, 0xce, 0x1e, 0x2c, 0x34, 0x8e, 0x0f,
 105     0xe2, 0xcc, 0x38, 0xf2, 0x9a, 0x98, 0xef, 0xe6, 0x7f, 0xf6, 0x62, 0xbb
 106 };
 107 static const unsigned char dsa_3072_256_sha512_q[] = {
 108     0xc1, 0xdb, 0xc1, 0x21, 0x50, 0x49, 0x63, 0xa3, 0x77, 0x6d, 0x4c, 0x92,
 109     0xed, 0x58, 0x9e, 0x98, 0xea, 0xac, 0x7a, 0x90, 0x13, 0x24, 0xf7, 0xcd,
 110     0xd7, 0xe6, 0xd4, 0x8f, 0xf0, 0x45, 0x4b, 0xf7
 111 };
 112 static const unsigned char dsa_3072_256_sha512_seed[] = {
 113     0x35, 0x24, 0xb5, 0x59, 0xd5, 0x27, 0x58, 0x10, 0xf6, 0xa2, 0x7c, 0x9a,
 114     0x0d, 0xc2, 0x70, 0x8a, 0xb0, 0x41, 0x4a, 0x84, 0x0b, 0xfe, 0x66, 0xf5,
 115     0x3a, 0xbf, 0x4a, 0xa9, 0xcb, 0xfc, 0xa6, 0x22
 116 };
 117 static int dsa_3072_256_sha512_counter = 1604;
 118
 119 static const unsigned char dsa_2048_224_sha256_p[] = {
 120     0xe9, 0x13, 0xbc, 0xf2, 0x14, 0x5d, 0xf9, 0x79, 0xd6, 0x6d, 0xf5, 0xc5,
 121     0xbe, 0x7b, 0x6f, 0x90, 0x63, 0xd0, 0xfd, 0xee, 0x4f, 0xc4, 0x65, 0x83,
 122     0xbf, 0xec, 0xc3, 0x2c, 0x5d, 0x30, 0xc8, 0xa4, 0x3b, 0x2f, 0x3b, 0x29,
 123     0x43, 0x69, 0xfb, 0x6e, 0xa9, 0xa4, 0x07, 0x6c, 0xcd, 0xb0, 0xd2, 0xd9,
 124     0xd3, 0xe6, 0xf4, 0x87, 0x16, 0xb7, 0xe5, 0x06, 0xb9, 0xba, 0xd6, 0x87,
 125     0xbc, 0x01, 0x9e, 0xba, 0xc2, 0xcf, 0x39, 0xb6, 0xec, 0xdc, 0x75, 0x07,
 126     0xc1, 0x39, 0x2d, 0x6a, 0x95, 0x31, 0x97, 0xda, 0x54, 0x20, 0x29, 0xe0,
 127     0x1b, 0xf9, 0x74, 0x65, 0xaa, 0xc1, 0x47, 0xd3, 0x9e, 0xb4, 0x3c, 0x1d,
 128     0xe0, 0xdc, 0x2d, 0x21, 0xab, 0x12, 0x3b, 0xa5, 0x51, 0x1e, 0xc6, 0xbc,
 129     0x6b, 0x4c, 0x22, 0xd1, 0x7c, 0xc6, 0xce, 0xcb, 0x8c, 0x1d, 0x1f, 0xce,
 130     0x1c, 0xe2, 0x75, 0x49, 0x6d, 0x2c, 0xee, 0x7f, 0x5f, 0xb8, 0x74, 0x42,
 131     0x5c, 0x96, 0x77, 0x13, 0xff, 0x80, 0xf3, 0x05, 0xc7, 0xfe, 0x08, 0x3b,
 132     0x25, 0x36, 0x46, 0xa2, 0xc4, 0x26, 0xb4, 0xb0, 0x3b, 0xd5, 0xb2, 0x4c,
 133     0x13, 0x29, 0x0e, 0x47, 0x31, 0x66, 0x7d, 0x78, 0x57, 0xe6, 0xc2, 0xb5,
 134     0x9f, 0x46, 0x17, 0xbc, 0xa9, 0x9a, 0x49, 0x1c, 0x0f, 0x45, 0xe0, 0x88,
 135     0x97, 0xa1, 0x30, 0x7c, 0x42, 0xb7, 0x2c, 0x0a, 0xce, 0xb3, 0xa5, 0x7a,
 136     0x61, 0x8e, 0xab, 0x44, 0xc1, 0xdc, 0x70, 0xe5, 0xda, 0x78, 0x2a, 0xb4,
 137     0xe6, 0x3c, 0xa0, 0x58, 0xda, 0x62, 0x0a, 0xb2, 0xa9, 0x3d, 0xaa, 0x49,
 138     0x7e, 0x7f, 0x9a, 0x19, 0x67, 0xee, 0xd6, 0xe3, 0x67, 0x13, 0xe8, 0x6f,
 139     0x79, 0x50, 0x76, 0xfc, 0xb3, 0x9d, 0x7e, 0x9e, 0x3e, 0x6e, 0x47, 0xb1,
 140     0x11, 0x5e, 0xc8, 0x83, 0x3a, 0x3c, 0xfc, 0x82, 0x5c, 0x9d, 0x34, 0x65,
 141     0x73, 0xb4, 0x56, 0xd5
 142 };
 143 static const unsigned char dsa_2048_224_sha256_q[] = {
 144     0xb0, 0xdf, 0xa1, 0x7b, 0xa4, 0x77, 0x64, 0x0e, 0xb9, 0x28, 0xbb, 0xbc,
 145     0xd4, 0x60, 0x02, 0xaf, 0x21, 0x8c, 0xb0, 0x69, 0x0f, 0x8a, 0x7b, 0xc6,
 146     0x80, 0xcb, 0x0a, 0x45
 147 };
 148 static const unsigned char dsa_2048_224_sha256_g[] = {
 149     0x11, 0x7c, 0x5f, 0xf6, 0x99, 0x44, 0x67, 0x5b, 0x69, 0xa3, 0x83, 0xef,
 150     0xb5, 0x85, 0xa2, 0x19, 0x35, 0x18, 0x2a, 0xf2, 0x58, 0xf4, 0xc9, 0x58,
 151     0x9e, 0xb9, 0xe8, 0x91, 0x17, 0x2f, 0xb0, 0x60, 0x85, 0x95, 0xa6, 0x62,
 152     0x36, 0xd0, 0xff, 0x94, 0xb9, 0xa6, 0x50, 0xad, 0xa6, 0xf6, 0x04, 0x28,
 153     0xc2, 0xc9, 0xb9, 0x75, 0xf3, 0x66, 0xb4, 0xeb, 0xf6, 0xd5, 0x06, 0x13,
 154     0x01, 0x64, 0x82, 0xa9, 0xf1, 0xd5, 0x41, 0xdc, 0xf2, 0x08, 0xfc, 0x2f,
 155     0xc4, 0xa1, 0x21, 0xee, 0x7d, 0xbc, 0xda, 0x5a, 0xa4, 0xa2, 0xb9, 0x68,
 156     0x87, 0x36, 0xba, 0x53, 0x9e, 0x14, 0x4e, 0x76, 0x5c, 0xba, 0x79, 0x3d,
 157     0x0f, 0xe5, 0x99, 0x1c, 0x27, 0xfc, 0xaf, 0x10, 0x63, 0x87, 0x68, 0x0e,
 158     0x3e, 0x6e, 0xaa, 0xf3, 0xdf, 0x76, 0x7e, 0x02, 0x9a, 0x41, 0x96, 0xa1,
 159     0x6c, 0xbb, 0x67, 0xee, 0x0c, 0xad, 0x72, 0x65, 0xf1, 0x70, 0xb0, 0x39,
 160     0x9b, 0x54, 0x5f, 0xd7, 0x6c, 0xc5, 0x9a, 0x90, 0x53, 0x18, 0xde, 0x5e,
 161     0x62, 0x89, 0xb9, 0x2f, 0x66, 0x59, 0x3a, 0x3d, 0x10, 0xeb, 0xa5, 0x99,
 162     0xf6, 0x21, 0x7d, 0xf2, 0x7b, 0x42, 0x15, 0x1c, 0x55, 0x79, 0x15, 0xaa,
 163     0xa4, 0x17, 0x2e, 0x48, 0xc3, 0xa8, 0x36, 0xf5, 0x1a, 0x97, 0xce, 0xbd,
 164     0x72, 0xef, 0x1d, 0x50, 0x5b, 0xb1, 0x60, 0x0a, 0x5c, 0x0b, 0xa6, 0x21,
 165     0x38, 0x28, 0x4e, 0x89, 0x33, 0x1d, 0xb5, 0x7e, 0x5c, 0xf1, 0x6b, 0x2c,
 166     0xbd, 0xad, 0x84, 0xb2, 0x8e, 0x96, 0xe2, 0x30, 0xe7, 0x54, 0xb8, 0xc9,
 167     0x70, 0xcb, 0x10, 0x30, 0x63, 0x90, 0xf4, 0x45, 0x64, 0x93, 0x09, 0x38,
 168     0x6a, 0x47, 0x58, 0x31, 0x04, 0x1a, 0x18, 0x04, 0x1a, 0xe0, 0xd7, 0x0b,
 169     0x3c, 0xbe, 0x2a, 0x9c, 0xec, 0xcc, 0x0d, 0x0c, 0xed, 0xde, 0x54, 0xbc,
 170     0xe6, 0x93, 0x59, 0xfc
 171 };
 172
 173 static int ffc_params_validate_g_unverified_test(void)
 174 {
 175     int ret = 0, res;
 176     FFC_PARAMS params;
 177     BIGNUM *p = NULL, *q = NULL, *g = NULL;
 178     BIGNUM *p1 = NULL, *g1 = NULL;
 179
 180     ossl_ffc_params_init(&params);
 181
 182     if (!TEST_ptr(p = BN_bin2bn(dsa_2048_224_sha256_p,
 183                                 sizeof(dsa_2048_224_sha256_p), NULL)))
 184         goto err;
 185     p1 = p;
 186     if (!TEST_ptr(q = BN_bin2bn(dsa_2048_224_sha256_q,
 187                                 sizeof(dsa_2048_224_sha256_q), NULL)))
 188         goto err;
 189     if (!TEST_ptr(g = BN_bin2bn(dsa_2048_224_sha256_g,
 190                                 sizeof(dsa_2048_224_sha256_g), NULL)))
 191         goto err;
 192     g1 = g;
 193
 194     /* Fail if g is NULL */
 195     ossl_ffc_params_set0_pqg(&params, p, q, NULL);
 196     p = NULL;
 197     q = NULL;
 198     ossl_ffc_params_set_flags(&params, FFC_PARAM_FLAG_VALIDATE_G);
 199     ossl_ffc_set_digest(&params, "SHA256", NULL);
 200
 201     if (!TEST_false(ossl_ffc_params_FIPS186_4_validate(NULL, &params,
 202                                                        FFC_PARAM_TYPE_DSA,
 203                                                        &res, NULL)))
 204         goto err;
 205
 206     ossl_ffc_params_set0_pqg(&params, p, q, g);
 207     g = NULL;
 208     if (!TEST_true(ossl_ffc_params_FIPS186_4_validate(NULL, &params,
 209                                                       FFC_PARAM_TYPE_DSA,
 210                                                       &res, NULL)))
 211         goto err;
 212
 213     /* incorrect g */
 214     BN_add_word(g1, 1);
 215     if (!TEST_false(ossl_ffc_params_FIPS186_4_validate(NULL, &params,
 216                                                        FFC_PARAM_TYPE_DSA,
 217                                                        &res, NULL)))
 218         goto err;
 219
 220     /* fail if g < 2 */
 221     BN_set_word(g1, 1);
 222     if (!TEST_false(ossl_ffc_params_FIPS186_4_validate(NULL, &params,
 223                                                        FFC_PARAM_TYPE_DSA,
 224                                                        &res, NULL)))
 225         goto err;
 226
 227     BN_copy(g1, p1);
 228     /* Fail if g >= p */
 229     if (!TEST_false(ossl_ffc_params_FIPS186_4_validate(NULL, &params,
 230                                                        FFC_PARAM_TYPE_DSA,
 231                                                        &res, NULL)))
 232         goto err;
 233
 234     ret = 1;
 235 err:
 236     ossl_ffc_params_cleanup(&params);
 237     BN_free(p);
 238     BN_free(q);
 239     BN_free(g);
 240     return ret;
 241 }
 242
 243 static int ffc_params_validate_pq_test(void)
 244 {
 245     int ret = 0, res = -1;
 246     FFC_PARAMS params;
 247     BIGNUM *p = NULL, *q = NULL;
 248
 249     ossl_ffc_params_init(&params);
 250     if (!TEST_ptr(p = BN_bin2bn(dsa_2048_224_sha224_p,
 251                                    sizeof(dsa_2048_224_sha224_p),
 252                                    NULL)))
 253         goto err;
 254     if (!TEST_ptr(q = BN_bin2bn(dsa_2048_224_sha224_q,
 255                                    sizeof(dsa_2048_224_sha224_q),
 256                                    NULL)))
 257         goto err;
 258
 259     /* No p */
 260     ossl_ffc_params_set0_pqg(&params, NULL, q, NULL);
 261     q = NULL;
 262     ossl_ffc_params_set_flags(&params, FFC_PARAM_FLAG_VALIDATE_PQ);
 263     ossl_ffc_set_digest(&params, "SHA224", NULL);
 264
 265     if (!TEST_false(ossl_ffc_params_FIPS186_4_validate(NULL, &params,
 266                                                        FFC_PARAM_TYPE_DSA,
 267                                                        &res, NULL)))
 268         goto err;
 269
 270     /* Test valid case */
 271     ossl_ffc_params_set0_pqg(&params, p, NULL, NULL);
 272     p = NULL;
 273     ossl_ffc_params_set_validate_params(&params, dsa_2048_224_sha224_seed,
 274                                         sizeof(dsa_2048_224_sha224_seed),
 275                                         dsa_2048_224_sha224_counter);
 276     if (!TEST_true(ossl_ffc_params_FIPS186_4_validate(NULL, &params,
 277                                                       FFC_PARAM_TYPE_DSA,
 278                                                       &res, NULL)))
 279         goto err;
 280
 281     /* Bad counter - so p is not prime */
 282     ossl_ffc_params_set_validate_params(&params, dsa_2048_224_sha224_seed,
 283                                         sizeof(dsa_2048_224_sha224_seed),
 284                                         1);
 285     if (!TEST_false(ossl_ffc_params_FIPS186_4_validate(NULL, &params,
 286                                                        FFC_PARAM_TYPE_DSA,
 287                                                        &res, NULL)))
 288         goto err;
 289
 290     /* seedlen smaller than N */
 291     ossl_ffc_params_set_validate_params(&params, dsa_2048_224_sha224_seed,
 292                                         sizeof(dsa_2048_224_sha224_seed)-1,
 293                                         dsa_2048_224_sha224_counter);
 294     if (!TEST_false(ossl_ffc_params_FIPS186_4_validate(NULL, &params,
 295                                                        FFC_PARAM_TYPE_DSA,
 296                                                        &res, NULL)))
 297         goto err;
 298
 299     /* Provided seed doesnt produce a valid prime q */
 300     ossl_ffc_params_set_validate_params(&params, dsa_2048_224_sha224_bad_seed,
 301                                         sizeof(dsa_2048_224_sha224_bad_seed),
 302                                         dsa_2048_224_sha224_counter);
 303     if (!TEST_false(ossl_ffc_params_FIPS186_4_validate(NULL, &params,
 304                                                        FFC_PARAM_TYPE_DSA,
 305                                                        &res, NULL)))
 306         goto err;
 307
 308     if (!TEST_ptr(p = BN_bin2bn(dsa_3072_256_sha512_p,
 309                                 sizeof(dsa_3072_256_sha512_p), NULL)))
 310         goto err;
 311     if (!TEST_ptr(q = BN_bin2bn(dsa_3072_256_sha512_q,
 312                                 sizeof(dsa_3072_256_sha512_q),
 313                                 NULL)))
 314         goto err;
 315
 316
 317     ossl_ffc_params_set0_pqg(&params, p, q, NULL);
 318     p = q  = NULL;
 319     ossl_ffc_set_digest(&params, "SHA512", NULL);
 320     ossl_ffc_params_set_validate_params(&params, dsa_3072_256_sha512_seed,
 321                                         sizeof(dsa_3072_256_sha512_seed),
 322                                         dsa_3072_256_sha512_counter);
 323     /* Q doesn't div P-1 */
 324     if (!TEST_false(ossl_ffc_params_FIPS186_4_validate(NULL, &params,
 325                                                        FFC_PARAM_TYPE_DSA,
 326                                                        &res, NULL)))
 327         goto err;
 328
 329     /* Bad L/N for FIPS DH */
 330     if (!TEST_false(ossl_ffc_params_FIPS186_4_validate(NULL, &params,
 331                                                        FFC_PARAM_TYPE_DH,
 332                                                        &res, NULL)))
 333         goto err;
 334
 335     ret = 1;
 336 err:
 337     ossl_ffc_params_cleanup(&params);
 338     BN_free(p);
 339     BN_free(q);
 340     return ret;
 341 }
 342 #endif /* OPENSSL_NO_DSA */
 343
 344 #ifndef OPENSSL_NO_DH
 345 static int ffc_params_gen_test(void)
 346 {
 347     int ret = 0, res = -1;
 348     FFC_PARAMS params;
 349
 350     ossl_ffc_params_init(&params);
 351     if (!TEST_true(ossl_ffc_params_FIPS186_4_generate(NULL, &params,
 352                                                       FFC_PARAM_TYPE_DH,
 353                                                       2048, 256, &res, NULL)))
 354         goto err;
 355     if (!TEST_true(ossl_ffc_params_FIPS186_4_validate(NULL, &params,
 356                                                       FFC_PARAM_TYPE_DH,
 357                                                       &res, NULL)))
 358         goto err;
 359
 360     ret = 1;
 361 err:
 362     ossl_ffc_params_cleanup(&params);
 363     return ret;
 364 }
 365
 366 static int ffc_params_gen_canonicalg_test(void)
 367 {
 368     int ret = 0, res = -1;
 369     FFC_PARAMS params;
 370
 371     ossl_ffc_params_init(&params);
 372     params.gindex = 1;
 373     if (!TEST_true(ossl_ffc_params_FIPS186_4_generate(NULL, &params,
 374                                                       FFC_PARAM_TYPE_DH,
 375                                                       2048, 256, &res, NULL)))
 376         goto err;
 377     if (!TEST_true(ossl_ffc_params_FIPS186_4_validate(NULL, &params,
 378                                                       FFC_PARAM_TYPE_DH,
 379                                                       &res, NULL)))
 380         goto err;
 381
 382     if (!TEST_true(ossl_ffc_params_print(bio_out, &params, 4)))
 383         goto err;
 384
 385     ret = 1;
 386 err:
 387     ossl_ffc_params_cleanup(&params);
 388     return ret;
 389 }
 390
 391 static int ffc_params_fips186_2_gen_validate_test(void)
 392 {
 393     int ret = 0, res = -1;
 394     FFC_PARAMS params;
 395     BIGNUM *bn = NULL;
 396
 397     ossl_ffc_params_init(&params);
 398     if (!TEST_ptr(bn = BN_new()))
 399         goto err;
 400     if (!TEST_true(ossl_ffc_params_FIPS186_2_generate(NULL, &params,
 401                                                       FFC_PARAM_TYPE_DH,
 402                                                       1024, 160, &res, NULL)))
 403         goto err;
 404     if (!TEST_true(ossl_ffc_params_FIPS186_2_validate(NULL, &params,
 405                                                       FFC_PARAM_TYPE_DH,
 406                                                       &res, NULL)))
 407         goto err;
 408
 409     /*
 410      * The fips186-2 generation should produce a different q compared to
 411      * fips 186-4 given the same seed value. So validation of q will fail.
 412      */
 413     if (!TEST_false(ossl_ffc_params_FIPS186_4_validate(NULL, &params,
 414                                                        FFC_PARAM_TYPE_DSA,
 415                                                        &res, NULL)))
 416         goto err;
 417     /* As the params are randomly generated the error is one of the following */
 418     if (!TEST_true(res == FFC_CHECK_Q_MISMATCH || res == FFC_CHECK_Q_NOT_PRIME))
 419         goto err;
 420
 421     ossl_ffc_params_set_flags(&params, FFC_PARAM_FLAG_VALIDATE_G);
 422     /* Partially valid g test will still pass */
 423     if (!TEST_int_eq(ossl_ffc_params_FIPS186_4_validate(NULL, &params,
 424                                                         FFC_PARAM_TYPE_DSA,
 425                                                         &res, NULL), 2))
 426         goto err;
 427
 428     if (!TEST_true(ossl_ffc_params_print(bio_out, &params, 4)))
 429         goto err;
 430
 431     ret = 1;
 432 err:
 433     BN_free(bn);
 434     ossl_ffc_params_cleanup(&params);
 435     return ret;
 436 }
 437
 438 extern FFC_PARAMS *dh_get0_params(DH *dh);
 439
 440 static int ffc_public_validate_test(void)
 441 {
 442     int ret = 0, res = -1;
 443     FFC_PARAMS *params;
 444     BIGNUM *pub = NULL;
 445     DH *dh = NULL;
 446
 447     if (!TEST_ptr(pub = BN_new()))
 448         goto err;
 449
 450     if (!TEST_ptr(dh = DH_new_by_nid(NID_ffdhe2048)))
 451         goto err;
 452     params = dh_get0_params(dh);
 453
 454     if (!TEST_true(BN_set_word(pub, 1)))
 455         goto err;
 456     BN_set_negative(pub, 1);
 457     /* Fail if public key is negative */
 458     if (!TEST_false(ossl_ffc_validate_public_key(params, pub, &res)))
 459         goto err;
 460     if (!TEST_int_eq(FFC_ERROR_PUBKEY_TOO_SMALL, res))
 461         goto err;
 462     if (!TEST_true(BN_set_word(pub, 0)))
 463         goto err;
 464     if (!TEST_int_eq(FFC_ERROR_PUBKEY_TOO_SMALL, res))
 465         goto err;
 466     /* Fail if public key is zero */
 467     if (!TEST_false(ossl_ffc_validate_public_key(params, pub, &res)))
 468         goto err;
 469     if (!TEST_int_eq(FFC_ERROR_PUBKEY_TOO_SMALL, res))
 470         goto err;
 471     /* Fail if public key is 1 */
 472     if (!TEST_false(ossl_ffc_validate_public_key(params, BN_value_one(), &res)))
 473         goto err;
 474     if (!TEST_int_eq(FFC_ERROR_PUBKEY_TOO_SMALL, res))
 475         goto err;
 476     if (!TEST_true(BN_add_word(pub, 2)))
 477         goto err;
 478     /* Pass if public key >= 2 */
 479     if (!TEST_true(ossl_ffc_validate_public_key(params, pub, &res)))
 480         goto err;
 481
 482     if (!TEST_ptr(BN_copy(pub, params->p)))
 483         goto err;
 484     /* Fail if public key = p */
 485     if (!TEST_false(ossl_ffc_validate_public_key(params, pub, &res)))
 486         goto err;
 487     if (!TEST_int_eq(FFC_ERROR_PUBKEY_TOO_LARGE, res))
 488         goto err;
 489
 490     if (!TEST_true(BN_sub_word(pub, 1)))
 491         goto err;
 492     /* Fail if public key = p - 1 */
 493     if (!TEST_false(ossl_ffc_validate_public_key(params, pub, &res)))
 494         goto err;
 495     if (!TEST_int_eq(FFC_ERROR_PUBKEY_TOO_LARGE, res))
 496         goto err;
 497
 498     if (!TEST_true(BN_sub_word(pub, 1)))
 499         goto err;
 500     /* Fail if public key is not related to p & q */
 501     if (!TEST_false(ossl_ffc_validate_public_key(params, pub, &res)))
 502         goto err;
 503     if (!TEST_int_eq(FFC_ERROR_PUBKEY_INVALID, res))
 504         goto err;
 505
 506     if (!TEST_true(BN_sub_word(pub, 5)))
 507         goto err;
 508     /* Pass if public key is valid */
 509     if (!TEST_true(ossl_ffc_validate_public_key(params, pub, &res)))
 510         goto err;
 511
 512     ret = 1;
 513 err:
 514     DH_free(dh);
 515     BN_free(pub);
 516     return ret;
 517 }
 518
 519 static int ffc_private_validate_test(void)
 520 {
 521     int ret = 0, res = -1;
 522     FFC_PARAMS *params;
 523     BIGNUM *priv = NULL;
 524     DH *dh = NULL;
 525
 526     if (!TEST_ptr(priv = BN_new()))
 527         goto err;
 528
 529     if (!TEST_ptr(dh = DH_new_by_nid(NID_ffdhe2048)))
 530         goto err;
 531     params = dh_get0_params(dh);
 532
 533     if (!TEST_true(BN_set_word(priv, 1)))
 534         goto err;
 535     BN_set_negative(priv, 1);
 536     /* Fail if priv key is negative */
 537     if (!TEST_false(ossl_ffc_validate_private_key(params->q, priv, &res)))
 538         goto err;
 539     if (!TEST_int_eq(FFC_ERROR_PRIVKEY_TOO_SMALL, res))
 540         goto err;
 541
 542     if (!TEST_true(BN_set_word(priv, 0)))
 543         goto err;
 544     /* Fail if priv key is zero */
 545     if (!TEST_false(ossl_ffc_validate_private_key(params->q, priv, &res)))
 546         goto err;
 547     if (!TEST_int_eq(FFC_ERROR_PRIVKEY_TOO_SMALL, res))
 548         goto err;
 549
 550     /* Pass if priv key >= 1 */
 551     if (!TEST_true(ossl_ffc_validate_private_key(params->q, BN_value_one(),
 552                                                  &res)))
 553         goto err;
 554
 555     if (!TEST_ptr(BN_copy(priv, params->q)))
 556         goto err;
 557     /* Fail if priv key = upper */
 558     if (!TEST_false(ossl_ffc_validate_private_key(params->q, priv, &res)))
 559         goto err;
 560     if (!TEST_int_eq(FFC_ERROR_PRIVKEY_TOO_LARGE, res))
 561         goto err;
 562
 563     if (!TEST_true(BN_sub_word(priv, 1)))
 564         goto err;
 565     /* Pass if priv key <= upper - 1 */
 566     if (!TEST_true(ossl_ffc_validate_private_key(params->q, priv, &res)))
 567         goto err;
 568
 569     ret = 1;
 570 err:
 571     DH_free(dh);
 572     BN_free(priv);
 573     return ret;
 574 }
 575
 576 static int ffc_private_gen_test(int index)
 577 {
 578     int ret = 0, res = -1, N;
 579     FFC_PARAMS *params;
 580     BIGNUM *priv = NULL;
 581     DH *dh = NULL;
 582     BN_CTX *ctx = NULL;
 583
 584     if (!TEST_ptr(ctx = BN_CTX_new_ex(NULL)))
 585         goto err;
 586
 587     if (!TEST_ptr(priv = BN_new()))
 588         goto err;
 589
 590     if (!TEST_ptr(dh = DH_new_by_nid(NID_ffdhe2048)))
 591         goto err;
 592     params = dh_get0_params(dh);
 593
 594     N = BN_num_bits(params->q);
 595     /* Fail since N < 2*s - where s = 112*/
 596     if (!TEST_false(ossl_ffc_generate_private_key(ctx, params, 220, 112, priv)))
 597         goto err;
 598     /* fail since N > len(q) */
 599     if (!TEST_false(ossl_ffc_generate_private_key(ctx, params, N + 1, 112, priv)))
 600         goto err;
 601     /* pass since 2s <= N <= len(q) */
 602     if (!TEST_true(ossl_ffc_generate_private_key(ctx, params, N, 112, priv)))
 603         goto err;
 604     /* pass since N = len(q) */
 605     if (!TEST_true(ossl_ffc_validate_private_key(params->q, priv, &res)))
 606         goto err;
 607     /* pass since 2s <= N < len(q) */
 608     if (!TEST_true(ossl_ffc_generate_private_key(ctx, params, N / 2, 112, priv)))
 609         goto err;
 610     if (!TEST_true(ossl_ffc_validate_private_key(params->q, priv, &res)))
 611         goto err;
 612
 613     /* N and s are ignored in this case */
 614     if (!TEST_true(ossl_ffc_generate_private_key(ctx, params, 0, 0, priv)))
 615         goto err;
 616     if (!TEST_true(ossl_ffc_validate_private_key(params->q, priv, &res)))
 617         goto err;
 618
 619     ret = 1;
 620 err:
 621     DH_free(dh);
 622     BN_free(priv);
 623     BN_CTX_free(ctx);
 624     return ret;
 625 }
 626 #endif /* OPENSSL_NO_DH */
 627
 628 int setup_tests(void)
 629 {
 630 #ifndef OPENSSL_NO_DSA
 631     ADD_TEST(ffc_params_validate_pq_test);
 632     ADD_TEST(ffc_params_validate_g_unverified_test);
 633 #endif /* OPENSSL_NO_DSA */
 634 #ifndef OPENSSL_NO_DH
 635     ADD_TEST(ffc_params_gen_test);
 636     ADD_TEST(ffc_params_gen_canonicalg_test);
 637     ADD_TEST(ffc_params_fips186_2_gen_validate_test);
 638     ADD_TEST(ffc_public_validate_test);
 639     ADD_TEST(ffc_private_validate_test);
 640     ADD_ALL_TESTS(ffc_private_gen_test, 10);
 641 #endif /* OPENSSL_NO_DH */
 642     return 1;
 643 }