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aes_key_wrap_test.c
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aes_key_wrap_test.c
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/*
* aes_key_wrap_test
*
* Copyright (C) 2015, 2021
* Paul E. Jones <paulej@packetizer.com>
*
* Description:
* This module will exercise the AES Key Wrap (RFC 3394) and
* AES Key Wrap with Padding (RFC 5649) logic.
*
* Portability Issues:
* None.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <arpa/inet.h>
#include "AESKeyWrap.h"
/*
* aeskw_test
*
* Description:
* Test AES Key Wrap (RFC 3394) test routines.
*
* Parameters:
* key
* The encryption key
* key_length
* The length of the encryption key in bits
* plaintext
* The plaintext to encrypt
* plaintext_length
* The length of the plaintext
* expected_ciphertext
* The expected ciphertext
* expected_ciphertext_length
* The expected ciphertext length
*
* Returns:
* Zero if successful, non-zero otherwise.
*
* Comments:
* None.
*
*/
int aeskw_test(const unsigned char *key,
unsigned int key_length,
const unsigned char *plaintext,
unsigned int plaintext_length,
const unsigned char *expected_ciphertext,
unsigned int expected_ciphertext_length)
{
unsigned char ciphertext[1024];
unsigned char plaintext_check[1024];
unsigned int ciphertext_length;
unsigned int plaintext_check_length;
int i;
const unsigned char *p1, *p2;
/************************************************
* ENCRYPT
************************************************/
printf("Encrypting using aes_key_wrap()\n");
if (aes_key_wrap( key,
key_length,
plaintext,
plaintext_length,
NULL,
ciphertext,
&ciphertext_length))
{
printf("Error encrypting using aes_key_wrap()\n");
return (-1);
}
/************************************************
* CHECK AGAINST KNOWN CIPHERTEXT
************************************************/
printf("Checking known ciphertext\n");
if (ciphertext_length != expected_ciphertext_length)
{
printf("Error: ciphertext length (%i) does not match "
"expected (%i)\n",
ciphertext_length, expected_ciphertext_length);
return (-1);
}
else
{
printf("Encrypted lengths match\n");
}
for (i = 0, p1 = ciphertext, p2 = expected_ciphertext;
i < ciphertext_length;
i++)
{
if (*(p1++) != *(p2++))
{
printf ("Error: ciphertext does not match expected\n");
return (-1);
}
}
/************************************************
* DECRYPT
************************************************/
printf("Decrypting using aes_key_unwrap()\n");
if (aes_key_unwrap(key,
key_length,
ciphertext,
ciphertext_length,
NULL,
plaintext_check,
&plaintext_check_length,
NULL))
{
printf("Error decrypting using aes_key_unwrap()\n");
return (-1);
}
/************************************************
* CHECK DECRYPTION RESULT
************************************************/
printf("Checking aes_key_unwrap()\n");
if (plaintext_check_length != plaintext_length)
{
printf("Error: Plaintext length (%i) does not match "
"expected (%i)\n",
plaintext_check_length, plaintext_length);
return (-1);
}
else
{
printf("Decrypted lengths match\n");
}
for (i = 0, p1 = plaintext, p2 = plaintext_check;
i < plaintext_check_length;
i++)
{
if (*(p1++) != *(p2++))
{
printf ("Error: plaintext does not match expected\n");
return (-1);
}
}
return (0);
}
/*
* aeskw_with_padding_test
*
* Description:
* Test AES Key Wrap with Padding (RFC 5649) test routines.
*
* Parameters:
* key
* The encryption key
* key_length
* The length of the encryption key in bits
* plaintext
* The plaintext to encrypt
* plaintext_length
* The length of the plaintext
* expected_ciphertext
* The expected ciphertext
* expected_ciphertext_length
* The expected ciphertext length
*
* Returns:
* Zero if successful, non-zero otherwise.
*
* Comments:
* None.
*
*/
int aeskw_with_padding_test(const unsigned char *key,
unsigned int key_length,
const unsigned char *plaintext,
unsigned int plaintext_length,
const unsigned char *expected_ciphertext,
unsigned int expected_ciphertext_length)
{
unsigned char ciphertext[1024];
unsigned char plaintext_check[1024];
unsigned int ciphertext_length;
unsigned int plaintext_check_length;
int i;
const unsigned char *p1, *p2;
/************************************************
* ENCRYPT
************************************************/
printf("Encrypting using aes_key_wrap_with_padding()\n");
if (aes_key_wrap_with_padding( key,
key_length,
plaintext,
plaintext_length,
NULL,
ciphertext,
&ciphertext_length))
{
printf("Error encrypting using aes_key_wrap_with_padding()\n");
return (-1);
}
/************************************************
* CHECK AGAINST KNOWN CIPHERTEXT
************************************************/
printf("Checking known ciphertext\n");
if (ciphertext_length != expected_ciphertext_length)
{
printf("Error: ciphertext length (%i) does not match "
"expected (%i)\n",
ciphertext_length, expected_ciphertext_length);
return (-1);
}
else
{
printf("Encrypted lengths match\n");
}
for (i = 0, p1 = ciphertext, p2 = expected_ciphertext;
i < ciphertext_length;
i++)
{
if (*(p1++) != *(p2++))
{
printf ("Error: ciphertext does not match expected\n");
return (-1);
}
}
/************************************************
* DECRYPT
************************************************/
printf("Decrypting using aes_key_unwrap_with_padding()\n");
if (aes_key_unwrap_with_padding(key,
key_length,
ciphertext,
ciphertext_length,
NULL,
plaintext_check,
&plaintext_check_length))
{
printf("Error decrypting using aes_key_unwrap_with_padding()\n");
return (-1);
}
/************************************************
* CHECK DECRYPTION RESULT
************************************************/
printf("Checking aes_key_unwrap_with_padding()\n");
if (plaintext_check_length != plaintext_length)
{
printf("Error: Plaintext length (%i) does not match "
"expected (%i)\n",
plaintext_check_length, plaintext_length);
return (-1);
}
else
{
printf("Decrypted lengths match\n");
}
for (i = 0, p1 = plaintext, p2 = plaintext_check;
i < plaintext_check_length;
i++)
{
if (*(p1++) != *(p2++))
{
printf ("Error: plaintext does not match expected\n");
return (-1);
}
}
return (0);
}
/*
* aeskw_with_padding_test_openssl
*
* Description:
* Test AES Key Wrap with Padding (RFC 5649) test routine using
* APIs calling OpenSSL routines.
*
* Parameters:
* key
* The encryption key
* key_length
* The length of the encryption key in bits
* plaintext
* The plaintext to encrypt
* plaintext_length
* The length of the plaintext
* expected_ciphertext
* The expected ciphertext
* expected_ciphertext_length
* The expected ciphertext length
*
* Returns:
* Zero if successful, non-zero otherwise.
*
* Comments:
* None.
*
*/
int aeskw_with_padding_test_openssl(const unsigned char *key,
unsigned int key_length,
const unsigned char *plaintext,
unsigned int plaintext_length,
const unsigned char *expected_ciphertext,
unsigned int expected_ciphertext_length)
{
unsigned char ciphertext[1024];
unsigned char plaintext_check[1024];
unsigned int ciphertext_length;
unsigned int plaintext_check_length;
int i;
const unsigned char *p1, *p2;
/************************************************
* ENCRYPT
************************************************/
printf("Encrypting using aes_key_wrap_with_padding_openssl()\n");
if (aes_key_wrap_with_padding_openssl(key,
key_length,
plaintext,
plaintext_length,
ciphertext,
&ciphertext_length))
{
printf("Error encrypting using aes_key_wrap_with_padding_openssl()\n");
return (-1);
}
/************************************************
* CHECK AGAINST KNOWN CIPHERTEXT
************************************************/
printf("Checking known ciphertext\n");
if (ciphertext_length != expected_ciphertext_length)
{
printf("Error: ciphertext length (%i) does not match "
"expected (%i)\n",
ciphertext_length, expected_ciphertext_length);
return (-1);
}
else
{
printf("Encrypted lengths match\n");
}
for (i = 0, p1 = ciphertext, p2 = expected_ciphertext;
i < ciphertext_length;
i++)
{
if (*(p1++) != *(p2++))
{
printf ("Error: ciphertext does not match expected\n");
return (-1);
}
}
/************************************************
* DECRYPT
************************************************/
printf("Decrypting using aes_key_unwrap_with_padding_openssl()\n");
if (aes_key_unwrap_with_padding_openssl(key,
key_length,
ciphertext,
ciphertext_length,
plaintext_check,
&plaintext_check_length))
{
printf("Error decrypting using aes_key_unwrap_with_padding_openssl()\n");
return (-1);
}
/************************************************
* CHECK DECRYPTION RESULT
************************************************/
printf("Checking aes_key_unwrap_with_padding_openssl()\n");
if (plaintext_check_length != plaintext_length)
{
printf("Error: Plaintext length (%i) does not match "
"expected (%i)\n",
plaintext_check_length, plaintext_length);
return (-1);
}
else
{
printf("Decrypted lengths match\n");
}
for (i = 0, p1 = plaintext, p2 = plaintext_check;
i < plaintext_check_length;
i++)
{
if (*(p1++) != *(p2++))
{
printf ("Error: plaintext does not match expected\n");
return (-1);
}
}
return (0);
}
/*
* rfc5649_test
*
* Description:
* This routine will test using the test vectors published in RFC 5649
* by calling aes_key_wrap_with_padding() and
* aes_key_unwrap_with_padding().
*
* Parameters:
* None.
*
* Returns:
* Zero if successful, non-zero otherwise.
*
* Comments:
* None.
*
*/
int rfc5649_test()
{
unsigned char key[] =
{
0x58, 0x40, 0xDF, 0x6E, 0x29, 0xB0, 0x2A, 0XF1,
0xAB, 0x49, 0x3B, 0x70, 0x5B, 0xF1, 0x6E, 0XA1,
0xAE, 0x83, 0x38, 0xF4, 0xDC, 0xC1, 0x76, 0XA8
};
unsigned char plaintext_20[] =
{
0xC3, 0x7B, 0x7E, 0x64, 0x92, 0x58, 0x43, 0x40,
0xBE, 0xD1, 0x22, 0x07, 0x80, 0x89, 0x41, 0x15,
0x50, 0x68, 0xF7, 0x38
};
unsigned char ciphertext_20[] =
{
0x13, 0x8B, 0xDE, 0xAA, 0x9B, 0x8F, 0xA7, 0xFC,
0x61, 0xF9, 0x77, 0x42, 0xE7, 0x22, 0x48, 0xEE,
0x5A, 0xE6, 0xAE, 0x53, 0x60, 0xD1, 0xAE, 0x6A,
0x5F, 0x54, 0xF3, 0x73, 0xFA, 0x54, 0x3B, 0x6A
};
unsigned char plaintext_7[] =
{
0x46, 0x6F, 0x72, 0x50, 0x61, 0x73, 0x69
};
unsigned char ciphertext_7[] =
{
0xAF, 0xBE, 0xB0, 0xF0, 0x7D, 0xFB, 0xF5, 0x41,
0x92, 0x00, 0xF2, 0xCC, 0xB5, 0x0B, 0xB2, 0x4F
};
printf("Entering rfc5649_test()\n");
if (aeskw_with_padding_test(key,
sizeof(key)*8,
plaintext_20,
sizeof(plaintext_20),
ciphertext_20,
sizeof(ciphertext_20)))
{
printf("Exiting rfc5649_test()\n");
return (-1);
}
if (aeskw_with_padding_test(key,
sizeof(key)*8,
plaintext_7,
sizeof(plaintext_7),
ciphertext_7,
sizeof(ciphertext_7)))
{
printf("Exiting rfc5649_test()\n");
return (-1);
}
/* Perform the same tests as above, but using OpenSSL */
if (aeskw_with_padding_test_openssl(key,
sizeof(key) * 8,
plaintext_20,
sizeof(plaintext_20),
ciphertext_20,
sizeof(ciphertext_20)))
{
printf("Exiting rfc5649_test()\n");
return (-1);
}
if (aeskw_with_padding_test_openssl(key,
sizeof(key) * 8,
plaintext_7,
sizeof(plaintext_7),
ciphertext_7,
sizeof(ciphertext_7)))
{
printf("Exiting rfc5649_test()\n");
return (-1);
}
printf("Exiting rfc5649_test()\n");
return 0;
}
/*
* rfc3394_test
*
* Description:
* This routine will test using the test vectors published in RFC 3394
* by calling aes_key_wrap() and aes_key_unwrap().
*
* Parameters:
* None.
*
* Returns:
* Zero if successful, non-zero otherwise.
*
* Comments:
* None.
*
*/
int rfc3394_test()
{
unsigned char key_1[] =
{
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F
};
unsigned char plaintext_1[] =
{
0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF
};
unsigned char ciphertext_1[] =
{
0x1F, 0xA6, 0x8B, 0x0A, 0x81, 0x12, 0xB4, 0x47,
0xAE, 0xF3, 0x4B, 0xD8, 0xFB, 0x5A, 0x7B, 0x82,
0x9D, 0x3E, 0x86, 0x23, 0x71, 0xD2, 0xCF, 0xE5
};
unsigned char key_2[] =
{
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17
};
unsigned char plaintext_2[] =
{
0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF
};
unsigned char ciphertext_2[] =
{
0x96, 0x77, 0x8B, 0x25, 0xAE, 0x6C, 0xA4, 0x35,
0xF9, 0x2B, 0x5B, 0x97, 0xC0, 0x50, 0xAE, 0xD2,
0x46, 0x8A, 0xB8, 0xA1, 0x7A, 0xD8, 0x4E, 0x5D
};
unsigned char key_3[] =
{
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F
};
unsigned char plaintext_3[] =
{
0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF
};
unsigned char ciphertext_3[] =
{
0x64, 0xE8, 0xC3, 0xF9, 0xCE, 0x0F, 0x5B, 0xA2,
0x63, 0xE9, 0x77, 0x79, 0x05, 0x81, 0x8A, 0x2A,
0x93, 0xC8, 0x19, 0x1E, 0x7D, 0x6E, 0x8A, 0xE7
};
unsigned char key_4[] =
{
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17
};
unsigned char plaintext_4[] =
{
0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF,
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07
};
unsigned char ciphertext_4[] =
{
0x03, 0x1D, 0x33, 0x26, 0x4E, 0x15, 0xD3, 0x32,
0x68, 0xF2, 0x4E, 0xC2, 0x60, 0x74, 0x3E, 0xDC,
0xE1, 0xC6, 0xC7, 0xDD, 0xEE, 0x72, 0x5A, 0x93,
0x6B, 0xA8, 0x14, 0x91, 0x5C, 0x67, 0x62, 0xD2
};
unsigned char key_5[] =
{
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F
};
unsigned char plaintext_5[] =
{
0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF,
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07
};
unsigned char ciphertext_5[] =
{
0xA8, 0xF9, 0xBC, 0x16, 0x12, 0xC6, 0x8B, 0x3F,
0xF6, 0xE6, 0xF4, 0xFB, 0xE3, 0x0E, 0x71, 0xE4,
0x76, 0x9C, 0x8B, 0x80, 0xA3, 0x2C, 0xB8, 0x95,
0x8C, 0xD5, 0xD1, 0x7D, 0x6B, 0x25, 0x4D, 0xA1
};
unsigned char key_6[] =
{
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F
};
unsigned char plaintext_6[] =
{
0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF,
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F
};
unsigned char ciphertext_6[] =
{
0x28, 0xC9, 0xF4, 0x04, 0xC4, 0xB8, 0x10, 0xF4,
0xCB, 0xCC, 0xB3, 0x5C, 0xFB, 0x87, 0xF8, 0x26,
0x3F, 0x57, 0x86, 0xE2, 0xD8, 0x0E, 0xD3, 0x26,
0xCB, 0xC7, 0xF0, 0xE7, 0x1A, 0x99, 0xF4, 0x3B,
0xFB, 0x98, 0x8B, 0x9B, 0x7A, 0x02, 0xDD, 0x21
};
printf("Entering rfc3394_test()\n");
if (aeskw_test(key_1,
sizeof(key_1) * 8,
plaintext_1,
sizeof(plaintext_1),
ciphertext_1,
sizeof(ciphertext_1)))
{
printf("Exiting rfc3394_test()\n");
return (-1);
}
if (aeskw_test(key_2,
sizeof(key_2) * 8,
plaintext_2,
sizeof(plaintext_2),
ciphertext_2,
sizeof(ciphertext_2)))
{
printf("Exiting rfc3394_test()\n");
return (-1);
}
if (aeskw_test(key_3,
sizeof(key_3) * 8,
plaintext_3,
sizeof(plaintext_3),
ciphertext_3,
sizeof(ciphertext_3)))
{
printf("Exiting rfc3394_test()\n");
return (-1);
}
if (aeskw_test(key_4,
sizeof(key_4) * 8,
plaintext_4,
sizeof(plaintext_4),
ciphertext_4,
sizeof(ciphertext_4)))
{
printf("Exiting rfc3394_test()\n");
return (-1);
}
if (aeskw_test(key_5,
sizeof(key_5) * 8,
plaintext_5,
sizeof(plaintext_5),
ciphertext_5,
sizeof(ciphertext_5)))
{
printf("Exiting rfc3394_test()\n");
return (-1);
}
if (aeskw_test(key_6,
sizeof(key_6) * 8,
plaintext_6,
sizeof(plaintext_6),
ciphertext_6,
sizeof(ciphertext_6)))
{
printf("Exiting rfc3394_test()\n");
return (-1);
}
printf("Exiting rfc3394_test()\n");
return 0;
}
/*
* Entry point for tests
*/
int main()
{
/*
* Test RFC 3394 using published test vectors
*/
if (rfc3394_test())
{
printf("There was a problem!\n");
exit(1);
}
/*
* Test RFC 5649 using published test vectors, testing both the
* internal implementation and OpenSSL's implementation
*/
if (rfc5649_test())
{
printf("There was a problem!\n");
exit(1);
}
printf("All good!\n");
return (0);
}