apps/testdsa.h

   1 /*
   2  * Copyright 1998-2017 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the OpenSSL license (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 /* used by speed.c */
  11 DSA *get_dsa(int);
  12
  13 static unsigned char dsa512_priv[] = {
  14     0x65, 0xe5, 0xc7, 0x38, 0x60, 0x24, 0xb5, 0x89, 0xd4, 0x9c, 0xeb, 0x4c,
  15     0x9c, 0x1d, 0x7a, 0x22, 0xbd, 0xd1, 0xc2, 0xd2,
  16 };
  17
  18 static unsigned char dsa512_pub[] = {
  19     0x00, 0x95, 0xa7, 0x0d, 0xec, 0x93, 0x68, 0xba, 0x5f, 0xf7, 0x5f, 0x07,
  20     0xf2, 0x3b, 0xad, 0x6b, 0x01, 0xdc, 0xbe, 0xec, 0xde, 0x04, 0x7a, 0x3a,
  21     0x27, 0xb3, 0xec, 0x49, 0xfd, 0x08, 0x43, 0x3d, 0x7e, 0xa8, 0x2c, 0x5e,
  22     0x7b, 0xbb, 0xfc, 0xf4, 0x6e, 0xeb, 0x6c, 0xb0, 0x6e, 0xf8, 0x02, 0x12,
  23     0x8c, 0x38, 0x5d, 0x83, 0x56, 0x7d, 0xee, 0x53, 0x05, 0x3e, 0x24, 0x84,
  24     0xbe, 0xba, 0x0a, 0x6b, 0xc8,
  25 };
  26
  27 static unsigned char dsa512_p[] = {
  28     0x9D, 0x1B, 0x69, 0x8E, 0x26, 0xDB, 0xF2, 0x2B, 0x11, 0x70, 0x19, 0x86,
  29     0xF6, 0x19, 0xC8, 0xF8, 0x19, 0xF2, 0x18, 0x53, 0x94, 0x46, 0x06, 0xD0,
  30     0x62, 0x50, 0x33, 0x4B, 0x02, 0x3C, 0x52, 0x30, 0x03, 0x8B, 0x3B, 0xF9,
  31     0x5F, 0xD1, 0x24, 0x06, 0x4F, 0x7B, 0x4C, 0xBA, 0xAA, 0x40, 0x9B, 0xFD,
  32     0x96, 0xE4, 0x37, 0x33, 0xBB, 0x2D, 0x5A, 0xD7, 0x5A, 0x11, 0x40, 0x66,
  33     0xA2, 0x76, 0x7D, 0x31,
  34 };
  35
  36 static unsigned char dsa512_q[] = {
  37     0xFB, 0x53, 0xEF, 0x50, 0xB4, 0x40, 0x92, 0x31, 0x56, 0x86, 0x53, 0x7A,
  38     0xE8, 0x8B, 0x22, 0x9A, 0x49, 0xFB, 0x71, 0x8F,
  39 };
  40
  41 static unsigned char dsa512_g[] = {
  42     0x83, 0x3E, 0x88, 0xE5, 0xC5, 0x89, 0x73, 0xCE, 0x3B, 0x6C, 0x01, 0x49,
  43     0xBF, 0xB3, 0xC7, 0x9F, 0x0A, 0xEA, 0x44, 0x91, 0xE5, 0x30, 0xAA, 0xD9,
  44     0xBE, 0x5B, 0x5F, 0xB7, 0x10, 0xD7, 0x89, 0xB7, 0x8E, 0x74, 0xFB, 0xCF,
  45     0x29, 0x1E, 0xEB, 0xA8, 0x2C, 0x54, 0x51, 0xB8, 0x10, 0xDE, 0xA0, 0xCE,
  46     0x2F, 0xCC, 0x24, 0x6B, 0x90, 0x77, 0xDE, 0xA2, 0x68, 0xA6, 0x52, 0x12,
  47     0xA2, 0x03, 0x9D, 0x20,
  48 };
  49
  50 static unsigned char dsa1024_priv[] = {
  51     0x7d, 0x21, 0xda, 0xbb, 0x62, 0x15, 0x47, 0x36, 0x07, 0x67, 0x12, 0xe8,
  52     0x8c, 0xaa, 0x1c, 0xcd, 0x38, 0x12, 0x61, 0x18,
  53 };
  54
  55 static unsigned char dsa1024_pub[] = {
  56     0x3c, 0x4e, 0x9c, 0x2a, 0x7f, 0x16, 0xc1, 0x25, 0xeb, 0xac, 0x78, 0x63,
  57     0x90, 0x14, 0x8c, 0x8b, 0xf4, 0x68, 0x43, 0x3c, 0x2d, 0xee, 0x65, 0x50,
  58     0x7d, 0x9c, 0x8f, 0x8c, 0x8a, 0x51, 0xd6, 0x11, 0x2b, 0x99, 0xaf, 0x1e,
  59     0x90, 0x97, 0xb5, 0xd3, 0xa6, 0x20, 0x25, 0xd6, 0xfe, 0x43, 0x02, 0xd5,
  60     0x91, 0x7d, 0xa7, 0x8c, 0xdb, 0xc9, 0x85, 0xa3, 0x36, 0x48, 0xf7, 0x68,
  61     0xaa, 0x60, 0xb1, 0xf7, 0x05, 0x68, 0x3a, 0xa3, 0x3f, 0xd3, 0x19, 0x82,
  62     0xd8, 0x82, 0x7a, 0x77, 0xfb, 0xef, 0xf4, 0x15, 0x0a, 0xeb, 0x06, 0x04,
  63     0x7f, 0x53, 0x07, 0x0c, 0xbc, 0xcb, 0x2d, 0x83, 0xdb, 0x3e, 0xd1, 0x28,
  64     0xa5, 0xa1, 0x31, 0xe0, 0x67, 0xfa, 0x50, 0xde, 0x9b, 0x07, 0x83, 0x7e,
  65     0x2c, 0x0b, 0xc3, 0x13, 0x50, 0x61, 0xe5, 0xad, 0xbd, 0x36, 0xb8, 0x97,
  66     0x4e, 0x40, 0x7d, 0xe8, 0x83, 0x0d, 0xbc, 0x4b
  67 };
  68
  69 static unsigned char dsa1024_p[] = {
  70     0xA7, 0x3F, 0x6E, 0x85, 0xBF, 0x41, 0x6A, 0x29, 0x7D, 0xF0, 0x9F, 0x47,
  71     0x19, 0x30, 0x90, 0x9A, 0x09, 0x1D, 0xDA, 0x6A, 0x33, 0x1E, 0xC5, 0x3D,
  72     0x86, 0x96, 0xB3, 0x15, 0xE0, 0x53, 0x2E, 0x8F, 0xE0, 0x59, 0x82, 0x73,
  73     0x90, 0x3E, 0x75, 0x31, 0x99, 0x47, 0x7A, 0x52, 0xFB, 0x85, 0xE4, 0xD9,
  74     0xA6, 0x7B, 0x38, 0x9B, 0x68, 0x8A, 0x84, 0x9B, 0x87, 0xC6, 0x1E, 0xB5,
  75     0x7E, 0x86, 0x4B, 0x53, 0x5B, 0x59, 0xCF, 0x71, 0x65, 0x19, 0x88, 0x6E,
  76     0xCE, 0x66, 0xAE, 0x6B, 0x88, 0x36, 0xFB, 0xEC, 0x28, 0xDC, 0xC2, 0xD7,
  77     0xA5, 0xBB, 0xE5, 0x2C, 0x39, 0x26, 0x4B, 0xDA, 0x9A, 0x70, 0x18, 0x95,
  78     0x37, 0x95, 0x10, 0x56, 0x23, 0xF6, 0x15, 0xED, 0xBA, 0x04, 0x5E, 0xDE,
  79     0x39, 0x4F, 0xFD, 0xB7, 0x43, 0x1F, 0xB5, 0xA4, 0x65, 0x6F, 0xCD, 0x80,
  80     0x11, 0xE4, 0x70, 0x95, 0x5B, 0x50, 0xCD, 0x49,
  81 };
  82
  83 static unsigned char dsa1024_q[] = {
  84     0xF7, 0x07, 0x31, 0xED, 0xFA, 0x6C, 0x06, 0x03, 0xD5, 0x85, 0x8A, 0x1C,
  85     0xAC, 0x9C, 0x65, 0xE7, 0x50, 0x66, 0x65, 0x6F,
  86 };
  87
  88 static unsigned char dsa1024_g[] = {
  89     0x4D, 0xDF, 0x4C, 0x03, 0xA6, 0x91, 0x8A, 0xF5, 0x19, 0x6F, 0x50, 0x46,
  90     0x25, 0x99, 0xE5, 0x68, 0x6F, 0x30, 0xE3, 0x69, 0xE1, 0xE5, 0xB3, 0x5D,
  91     0x98, 0xBB, 0x28, 0x86, 0x48, 0xFC, 0xDE, 0x99, 0x04, 0x3F, 0x5F, 0x88,
  92     0x0C, 0x9C, 0x73, 0x24, 0x0D, 0x20, 0x5D, 0xB9, 0x2A, 0x9A, 0x3F, 0x18,
  93     0x96, 0x27, 0xE4, 0x62, 0x87, 0xC1, 0x7B, 0x74, 0x62, 0x53, 0xFC, 0x61,
  94     0x27, 0xA8, 0x7A, 0x91, 0x09, 0x9D, 0xB6, 0xF1, 0x4D, 0x9C, 0x54, 0x0F,
  95     0x58, 0x06, 0xEE, 0x49, 0x74, 0x07, 0xCE, 0x55, 0x7E, 0x23, 0xCE, 0x16,
  96     0xF6, 0xCA, 0xDC, 0x5A, 0x61, 0x01, 0x7E, 0xC9, 0x71, 0xB5, 0x4D, 0xF6,
  97     0xDC, 0x34, 0x29, 0x87, 0x68, 0xF6, 0x5E, 0x20, 0x93, 0xB3, 0xDB, 0xF5,
  98     0xE4, 0x09, 0x6C, 0x41, 0x17, 0x95, 0x92, 0xEB, 0x01, 0xB5, 0x73, 0xA5,
  99     0x6A, 0x7E, 0xD8, 0x32, 0xED, 0x0E, 0x02, 0xB8,
 100 };
 101
 102 static unsigned char dsa2048_priv[] = {
 103     0x32, 0x67, 0x92, 0xf6, 0xc4, 0xe2, 0xe2, 0xe8, 0xa0, 0x8b, 0x6b, 0x45,
 104     0x0c, 0x8a, 0x76, 0xb0, 0xee, 0xcf, 0x91, 0xa7,
 105 };
 106
 107 static unsigned char dsa2048_pub[] = {
 108     0x17, 0x8f, 0xa8, 0x11, 0x84, 0x92, 0xec, 0x83, 0x47, 0xc7, 0x6a, 0xb0,
 109     0x92, 0xaf, 0x5a, 0x20, 0x37, 0xa3, 0x64, 0x79, 0xd2, 0xd0, 0x3d, 0xcd,
 110     0xe0, 0x61, 0x88, 0x88, 0x21, 0xcc, 0x74, 0x5d, 0xce, 0x4c, 0x51, 0x47,
 111     0xf0, 0xc5, 0x5c, 0x4c, 0x82, 0x7a, 0xaf, 0x72, 0xad, 0xb9, 0xe0, 0x53,
 112     0xf2, 0x78, 0xb7, 0xf0, 0xb5, 0x48, 0x7f, 0x8a, 0x3a, 0x18, 0xd1, 0x9f,
 113     0x8b, 0x7d, 0xa5, 0x47, 0xb7, 0x95, 0xab, 0x98, 0xf8, 0x7b, 0x74, 0x50,
 114     0x56, 0x8e, 0x57, 0xf0, 0xee, 0xf5, 0xb7, 0xba, 0xab, 0x85, 0x86, 0xf9,
 115     0x2b, 0xef, 0x41, 0x56, 0xa0, 0xa4, 0x9f, 0xb7, 0x38, 0x00, 0x46, 0x0a,
 116     0xa6, 0xf1, 0xfc, 0x1f, 0xd8, 0x4e, 0x85, 0x44, 0x92, 0x43, 0x21, 0x5d,
 117     0x6e, 0xcc, 0xc2, 0xcb, 0x26, 0x31, 0x0d, 0x21, 0xc4, 0xbd, 0x8d, 0x24,
 118     0xbc, 0xd9, 0x18, 0x19, 0xd7, 0xdc, 0xf1, 0xe7, 0x93, 0x50, 0x48, 0x03,
 119     0x2c, 0xae, 0x2e, 0xe7, 0x49, 0x88, 0x5f, 0x93, 0x57, 0x27, 0x99, 0x36,
 120     0xb4, 0x20, 0xab, 0xfc, 0xa7, 0x2b, 0xf2, 0xd9, 0x98, 0xd7, 0xd4, 0x34,
 121     0x9d, 0x96, 0x50, 0x58, 0x9a, 0xea, 0x54, 0xf3, 0xee, 0xf5, 0x63, 0x14,
 122     0xee, 0x85, 0x83, 0x74, 0x76, 0xe1, 0x52, 0x95, 0xc3, 0xf7, 0xeb, 0x04,
 123     0x04, 0x7b, 0xa7, 0x28, 0x1b, 0xcc, 0xea, 0x4a, 0x4e, 0x84, 0xda, 0xd8,
 124     0x9c, 0x79, 0xd8, 0x9b, 0x66, 0x89, 0x2f, 0xcf, 0xac, 0xd7, 0x79, 0xf9,
 125     0xa9, 0xd8, 0x45, 0x13, 0x78, 0xb9, 0x00, 0x14, 0xc9, 0x7e, 0x22, 0x51,
 126     0x86, 0x67, 0xb0, 0x9f, 0x26, 0x11, 0x23, 0xc8, 0x38, 0xd7, 0x70, 0x1d,
 127     0x15, 0x8e, 0x4d, 0x4f, 0x95, 0x97, 0x40, 0xa1, 0xc2, 0x7e, 0x01, 0x18,
 128     0x72, 0xf4, 0x10, 0xe6, 0x8d, 0x52, 0x16, 0x7f, 0xf2, 0xc9, 0xf8, 0x33,
 129     0x8b, 0x33, 0xb7, 0xce,
 130 };
 131
 132 static unsigned char dsa2048_p[] = {
 133     0xA0, 0x25, 0xFA, 0xAD, 0xF4, 0x8E, 0xB9, 0xE5, 0x99, 0xF3, 0x5D, 0x6F,
 134     0x4F, 0x83, 0x34, 0xE2, 0x7E, 0xCF, 0x6F, 0xBF, 0x30, 0xAF, 0x6F, 0x81,
 135     0xEB, 0xF8, 0xC4, 0x13, 0xD9, 0xA0, 0x5D, 0x8B, 0x5C, 0x8E, 0xDC, 0xC2,
 136     0x1D, 0x0B, 0x41, 0x32, 0xB0, 0x1F, 0xFE, 0xEF, 0x0C, 0xC2, 0xA2, 0x7E,
 137     0x68, 0x5C, 0x28, 0x21, 0xE9, 0xF5, 0xB1, 0x58, 0x12, 0x63, 0x4C, 0x19,
 138     0x4E, 0xFF, 0x02, 0x4B, 0x92, 0xED, 0xD2, 0x07, 0x11, 0x4D, 0x8C, 0x58,
 139     0x16, 0x5C, 0x55, 0x8E, 0xAD, 0xA3, 0x67, 0x7D, 0xB9, 0x86, 0x6E, 0x0B,
 140     0xE6, 0x54, 0x6F, 0x40, 0xAE, 0x0E, 0x67, 0x4C, 0xF9, 0x12, 0x5B, 0x3C,
 141     0x08, 0x7A, 0xF7, 0xFC, 0x67, 0x86, 0x69, 0xE7, 0x0A, 0x94, 0x40, 0xBF,
 142     0x8B, 0x76, 0xFE, 0x26, 0xD1, 0xF2, 0xA1, 0x1A, 0x84, 0xA1, 0x43, 0x56,
 143     0x28, 0xBC, 0x9A, 0x5F, 0xD7, 0x3B, 0x69, 0x89, 0x8A, 0x36, 0x2C, 0x51,
 144     0xDF, 0x12, 0x77, 0x2F, 0x57, 0x7B, 0xA0, 0xAA, 0xDD, 0x7F, 0xA1, 0x62,
 145     0x3B, 0x40, 0x7B, 0x68, 0x1A, 0x8F, 0x0D, 0x38, 0xBB, 0x21, 0x5D, 0x18,
 146     0xFC, 0x0F, 0x46, 0xF7, 0xA3, 0xB0, 0x1D, 0x23, 0xC3, 0xD2, 0xC7, 0x72,
 147     0x51, 0x18, 0xDF, 0x46, 0x95, 0x79, 0xD9, 0xBD, 0xB5, 0x19, 0x02, 0x2C,
 148     0x87, 0xDC, 0xE7, 0x57, 0x82, 0x7E, 0xF1, 0x8B, 0x06, 0x3D, 0x00, 0xA5,
 149     0x7B, 0x6B, 0x26, 0x27, 0x91, 0x0F, 0x6A, 0x77, 0xE4, 0xD5, 0x04, 0xE4,
 150     0x12, 0x2C, 0x42, 0xFF, 0xD2, 0x88, 0xBB, 0xD3, 0x92, 0xA0, 0xF9, 0xC8,
 151     0x51, 0x64, 0x14, 0x5C, 0xD8, 0xF9, 0x6C, 0x47, 0x82, 0xB4, 0x1C, 0x7F,
 152     0x09, 0xB8, 0xF0, 0x25, 0x83, 0x1D, 0x3F, 0x3F, 0x05, 0xB3, 0x21, 0x0A,
 153     0x5D, 0xA7, 0xD8, 0x54, 0xC3, 0x65, 0x7D, 0xC3, 0xB0, 0x1D, 0xBF, 0xAE,
 154     0xF8, 0x68, 0xCF, 0x9B,
 155 };
 156
 157 static unsigned char dsa2048_q[] = {
 158     0x97, 0xE7, 0x33, 0x4D, 0xD3, 0x94, 0x3E, 0x0B, 0xDB, 0x62, 0x74, 0xC6,
 159     0xA1, 0x08, 0xDD, 0x19, 0xA3, 0x75, 0x17, 0x1B,
 160 };
 161
 162 static unsigned char dsa2048_g[] = {
 163     0x2C, 0x78, 0x16, 0x59, 0x34, 0x63, 0xF4, 0xF3, 0x92, 0xFC, 0xB5, 0xA5,
 164     0x4F, 0x13, 0xDE, 0x2F, 0x1C, 0xA4, 0x3C, 0xAE, 0xAD, 0x38, 0x3F, 0x7E,
 165     0x90, 0xBF, 0x96, 0xA6, 0xAE, 0x25, 0x90, 0x72, 0xF5, 0x8E, 0x80, 0x0C,
 166     0x39, 0x1C, 0xD9, 0xEC, 0xBA, 0x90, 0x5B, 0x3A, 0xE8, 0x58, 0x6C, 0x9E,
 167     0x30, 0x42, 0x37, 0x02, 0x31, 0x82, 0xBC, 0x6A, 0xDF, 0x6A, 0x09, 0x29,
 168     0xE3, 0xC0, 0x46, 0xD1, 0xCB, 0x85, 0xEC, 0x0C, 0x30, 0x5E, 0xEA, 0xC8,
 169     0x39, 0x8E, 0x22, 0x9F, 0x22, 0x10, 0xD2, 0x34, 0x61, 0x68, 0x37, 0x3D,
 170     0x2E, 0x4A, 0x5B, 0x9A, 0xF5, 0xC1, 0x48, 0xC6, 0xF6, 0xDC, 0x63, 0x1A,
 171     0xD3, 0x96, 0x64, 0xBA, 0x34, 0xC9, 0xD1, 0xA0, 0xD1, 0xAE, 0x6C, 0x2F,
 172     0x48, 0x17, 0x93, 0x14, 0x43, 0xED, 0xF0, 0x21, 0x30, 0x19, 0xC3, 0x1B,
 173     0x5F, 0xDE, 0xA3, 0xF0, 0x70, 0x78, 0x18, 0xE1, 0xA8, 0xE4, 0xEE, 0x2E,
 174     0x00, 0xA5, 0xE4, 0xB3, 0x17, 0xC8, 0x0C, 0x7D, 0x6E, 0x42, 0xDC, 0xB7,
 175     0x46, 0x00, 0x36, 0x4D, 0xD4, 0x46, 0xAA, 0x3D, 0x3C, 0x46, 0x89, 0x40,
 176     0xBF, 0x1D, 0x84, 0x77, 0x0A, 0x75, 0xF3, 0x87, 0x1D, 0x08, 0x4C, 0xA6,
 177     0xD1, 0xA9, 0x1C, 0x1E, 0x12, 0x1E, 0xE1, 0xC7, 0x30, 0x28, 0x76, 0xA5,
 178     0x7F, 0x6C, 0x85, 0x96, 0x2B, 0x6F, 0xDB, 0x80, 0x66, 0x26, 0xAE, 0xF5,
 179     0x93, 0xC7, 0x8E, 0xAE, 0x9A, 0xED, 0xE4, 0xCA, 0x04, 0xEA, 0x3B, 0x72,
 180     0xEF, 0xDC, 0x87, 0xED, 0x0D, 0xA5, 0x4C, 0x4A, 0xDD, 0x71, 0x22, 0x64,
 181     0x59, 0x69, 0x4E, 0x8E, 0xBF, 0x43, 0xDC, 0xAB, 0x8E, 0x66, 0xBB, 0x01,
 182     0xB6, 0xF4, 0xE7, 0xFD, 0xD2, 0xAD, 0x9F, 0x36, 0xC1, 0xA0, 0x29, 0x99,
 183     0xD1, 0x96, 0x70, 0x59, 0x06, 0x78, 0x35, 0xBD, 0x65, 0x55, 0x52, 0x9E,
 184     0xF8, 0xB2, 0xE5, 0x38,
 185 };
 186
 187 typedef struct testdsa_st {
 188     unsigned char *priv;
 189     unsigned char *pub;
 190     unsigned char *p;
 191     unsigned char *g;
 192     unsigned char *q;
 193     int priv_l;
 194     int pub_l;
 195     int p_l;
 196     int g_l;
 197     int q_l;
 198 } testdsa;
 199
 200 #define set_dsa_ptr(st, bits) \
 201     do { \
 202         st.priv = dsa##bits##_priv; \
 203         st.pub = dsa##bits##_pub; \
 204         st.p = dsa##bits##_p; \
 205         st.g = dsa##bits##_g; \
 206         st.q = dsa##bits##_q; \
 207         st.priv_l = sizeof(dsa##bits##_priv); \
 208         st.pub_l = sizeof(dsa##bits##_pub); \
 209         st.p_l = sizeof(dsa##bits##_p); \
 210         st.g_l = sizeof(dsa##bits##_g); \
 211         st.q_l = sizeof(dsa##bits##_q); \
 212     } while (0)
 213
 214 DSA *get_dsa(int dsa_bits)
 215 {
 216     DSA *dsa;
 217     BIGNUM *priv_key, *pub_key, *p, *q, *g;
 218     testdsa dsa_t;
 219
 220     switch (dsa_bits) {
 221     case 512:
 222         set_dsa_ptr(dsa_t, 512);
 223         break;
 224     case 1024:
 225         set_dsa_ptr(dsa_t, 1024);
 226         break;
 227     case 2048:
 228         set_dsa_ptr(dsa_t, 2048);
 229         break;
 230     default:
 231         return NULL;
 232     }
 233
 234     if ((dsa = DSA_new()) == NULL)
 235         return NULL;
 236     priv_key = BN_bin2bn(dsa_t.priv, dsa_t.priv_l, NULL);
 237     pub_key = BN_bin2bn(dsa_t.pub, dsa_t.pub_l, NULL);
 238     p = BN_bin2bn(dsa_t.p, dsa_t.p_l, NULL);
 239     q = BN_bin2bn(dsa_t.q, dsa_t.q_l, NULL);
 240     g = BN_bin2bn(dsa_t.g, dsa_t.g_l, NULL);
 241     if ((priv_key == NULL) || (pub_key == NULL) || (p == NULL) || (q == NULL)
 242          || (g == NULL)) {
 243         goto err;
 244     }
 245     if (!DSA_set0_pqg(dsa, p, q, g))
 246         goto err;
 247
 248     if (!DSA_set0_key(dsa, pub_key, priv_key))
 249         goto err;
 250
 251     return dsa;
 252  err:
 253     DSA_free(dsa);
 254     BN_free(priv_key);
 255     BN_free(pub_key);
 256     BN_free(p);
 257     BN_free(q);
 258     BN_free(g);
 259     return NULL;
 260 }