This commit is contained in:
Zhi Guan
2015-08-15 15:02:15 +08:00
parent 06df2fab54
commit 3bdc0ea895
2536 changed files with 417052 additions and 271997 deletions

View File

@@ -5,7 +5,8 @@
* forms are granted according to the OpenSSL license.
*/
#include "modes.h"
#include <openssl/crypto.h>
#include "modes_lcl.h"
#include <string.h>
#ifndef MODES_DEBUG
@@ -23,237 +24,521 @@
* deviates from mentioned RFCs. Most notably it allows input to be
* of block length and it doesn't flip the order of the last two
* blocks. CTS is being discussed even in ECB context, but it's not
* adopted for any known application. This implementation complies
* with mentioned RFCs and [as such] extends CBC mode.
* adopted for any known application. This implementation provides
* two interfaces: one compliant with above mentioned RFCs and one
* compliant with the NIST proposal, both extending CBC mode.
*/
size_t CRYPTO_cts128_encrypt_block(const unsigned char *in, unsigned char *out,
size_t len, const void *key,
unsigned char ivec[16], block128_f block)
{ size_t residue, n;
size_t CRYPTO_cts128_encrypt_block(const unsigned char *in,
unsigned char *out, size_t len,
const void *key, unsigned char ivec[16],
block128_f block)
{
size_t residue, n;
assert (in && out && key && ivec);
assert(in && out && key && ivec);
if (len <= 16) return 0;
if (len <= 16)
return 0;
if ((residue=len%16) == 0) residue = 16;
if ((residue = len % 16) == 0)
residue = 16;
len -= residue;
len -= residue;
CRYPTO_cbc128_encrypt(in,out,len,key,ivec,block);
CRYPTO_cbc128_encrypt(in, out, len, key, ivec, block);
in += len;
out += len;
in += len;
out += len;
for (n=0; n<residue; ++n)
ivec[n] ^= in[n];
(*block)(ivec,ivec,key);
memcpy(out,out-16,residue);
memcpy(out-16,ivec,16);
for (n = 0; n < residue; ++n)
ivec[n] ^= in[n];
(*block) (ivec, ivec, key);
memcpy(out, out - 16, residue);
memcpy(out - 16, ivec, 16);
return len+residue;
return len + residue;
}
size_t CRYPTO_nistcts128_encrypt_block(const unsigned char *in,
unsigned char *out, size_t len,
const void *key,
unsigned char ivec[16],
block128_f block)
{
size_t residue, n;
assert(in && out && key && ivec);
if (len < 16)
return 0;
residue = len % 16;
len -= residue;
CRYPTO_cbc128_encrypt(in, out, len, key, ivec, block);
if (residue == 0)
return len;
in += len;
out += len;
for (n = 0; n < residue; ++n)
ivec[n] ^= in[n];
(*block) (ivec, ivec, key);
memcpy(out - 16 + residue, ivec, 16);
return len + residue;
}
size_t CRYPTO_cts128_encrypt(const unsigned char *in, unsigned char *out,
size_t len, const void *key,
unsigned char ivec[16], cbc128_f cbc)
{ size_t residue;
union { size_t align; unsigned char c[16]; } tmp;
size_t len, const void *key,
unsigned char ivec[16], cbc128_f cbc)
{
size_t residue;
union {
size_t align;
unsigned char c[16];
} tmp;
assert (in && out && key && ivec);
assert(in && out && key && ivec);
if (len <= 16) return 0;
if (len <= 16)
return 0;
if ((residue=len%16) == 0) residue = 16;
if ((residue = len % 16) == 0)
residue = 16;
len -= residue;
len -= residue;
(*cbc)(in,out,len,key,ivec,1);
(*cbc) (in, out, len, key, ivec, 1);
in += len;
out += len;
in += len;
out += len;
#if defined(CBC_HANDLES_TRUNCATED_IO)
memcpy(tmp.c,out-16,16);
(*cbc)(in,out-16,residue,key,ivec,1);
memcpy(out,tmp.c,residue);
memcpy(tmp.c, out - 16, 16);
(*cbc) (in, out - 16, residue, key, ivec, 1);
memcpy(out, tmp.c, residue);
#else
{
size_t n;
for (n=0; n<16; n+=sizeof(size_t))
*(size_t *)(tmp.c+n) = 0;
memcpy(tmp.c,in,residue);
}
memcpy(out,out-16,residue);
(*cbc)(tmp.c,out-16,16,key,ivec,1);
memset(tmp.c, 0, sizeof(tmp));
memcpy(tmp.c, in, residue);
memcpy(out, out - 16, residue);
(*cbc) (tmp.c, out - 16, 16, key, ivec, 1);
#endif
return len+residue;
return len + residue;
}
size_t CRYPTO_cts128_decrypt_block(const unsigned char *in, unsigned char *out,
size_t len, const void *key,
unsigned char ivec[16], block128_f block)
{ size_t residue, n;
union { size_t align; unsigned char c[32]; } tmp;
size_t CRYPTO_nistcts128_encrypt(const unsigned char *in, unsigned char *out,
size_t len, const void *key,
unsigned char ivec[16], cbc128_f cbc)
{
size_t residue;
union {
size_t align;
unsigned char c[16];
} tmp;
assert (in && out && key && ivec);
assert(in && out && key && ivec);
if (len<=16) return 0;
if (len < 16)
return 0;
if ((residue=len%16) == 0) residue = 16;
residue = len % 16;
len -= 16+residue;
len -= residue;
if (len) {
CRYPTO_cbc128_decrypt(in,out,len,key,ivec,block);
in += len;
out += len;
}
(*cbc) (in, out, len, key, ivec, 1);
(*block)(in,tmp.c+16,key);
if (residue == 0)
return len;
for (n=0; n<16; n+=sizeof(size_t))
*(size_t *)(tmp.c+n) = *(size_t *)(tmp.c+16+n);
memcpy(tmp.c,in+16,residue);
(*block)(tmp.c,tmp.c,key);
in += len;
out += len;
for(n=0; n<16; ++n) {
unsigned char c = in[n];
out[n] = tmp.c[n] ^ ivec[n];
ivec[n] = c;
}
for(residue+=16; n<residue; ++n)
out[n] = tmp.c[n] ^ in[n];
#if defined(CBC_HANDLES_TRUNCATED_IO)
(*cbc) (in, out - 16 + residue, residue, key, ivec, 1);
#else
memset(tmp.c, 0, sizeof(tmp));
memcpy(tmp.c, in, residue);
(*cbc) (tmp.c, out - 16 + residue, 16, key, ivec, 1);
#endif
return len + residue;
}
return len+residue-16;
size_t CRYPTO_cts128_decrypt_block(const unsigned char *in,
unsigned char *out, size_t len,
const void *key, unsigned char ivec[16],
block128_f block)
{
size_t residue, n;
union {
size_t align;
unsigned char c[32];
} tmp;
assert(in && out && key && ivec);
if (len <= 16)
return 0;
if ((residue = len % 16) == 0)
residue = 16;
len -= 16 + residue;
if (len) {
CRYPTO_cbc128_decrypt(in, out, len, key, ivec, block);
in += len;
out += len;
}
(*block) (in, tmp.c + 16, key);
memcpy(tmp.c, tmp.c + 16, 16);
memcpy(tmp.c, in + 16, residue);
(*block) (tmp.c, tmp.c, key);
for (n = 0; n < 16; ++n) {
unsigned char c = in[n];
out[n] = tmp.c[n] ^ ivec[n];
ivec[n] = c;
}
for (residue += 16; n < residue; ++n)
out[n] = tmp.c[n] ^ in[n];
return 16 + len + residue;
}
size_t CRYPTO_nistcts128_decrypt_block(const unsigned char *in,
unsigned char *out, size_t len,
const void *key,
unsigned char ivec[16],
block128_f block)
{
size_t residue, n;
union {
size_t align;
unsigned char c[32];
} tmp;
assert(in && out && key && ivec);
if (len < 16)
return 0;
residue = len % 16;
if (residue == 0) {
CRYPTO_cbc128_decrypt(in, out, len, key, ivec, block);
return len;
}
len -= 16 + residue;
if (len) {
CRYPTO_cbc128_decrypt(in, out, len, key, ivec, block);
in += len;
out += len;
}
(*block) (in + residue, tmp.c + 16, key);
memcpy(tmp.c, tmp.c + 16, 16);
memcpy(tmp.c, in, residue);
(*block) (tmp.c, tmp.c, key);
for (n = 0; n < 16; ++n) {
unsigned char c = in[n];
out[n] = tmp.c[n] ^ ivec[n];
ivec[n] = in[n + residue];
tmp.c[n] = c;
}
for (residue += 16; n < residue; ++n)
out[n] = tmp.c[n] ^ tmp.c[n - 16];
return 16 + len + residue;
}
size_t CRYPTO_cts128_decrypt(const unsigned char *in, unsigned char *out,
size_t len, const void *key,
unsigned char ivec[16], cbc128_f cbc)
{ size_t residue, n;
union { size_t align; unsigned char c[32]; } tmp;
size_t len, const void *key,
unsigned char ivec[16], cbc128_f cbc)
{
size_t residue;
union {
size_t align;
unsigned char c[32];
} tmp;
assert (in && out && key && ivec);
assert(in && out && key && ivec);
if (len<=16) return 0;
if (len <= 16)
return 0;
if ((residue=len%16) == 0) residue = 16;
if ((residue = len % 16) == 0)
residue = 16;
len -= 16+residue;
len -= 16 + residue;
if (len) {
(*cbc)(in,out,len,key,ivec,0);
in += len;
out += len;
}
if (len) {
(*cbc) (in, out, len, key, ivec, 0);
in += len;
out += len;
}
for (n=16; n<32; n+=sizeof(size_t))
*(size_t *)(tmp.c+n) = 0;
/* this places in[16] at &tmp.c[16] and decrypted block at &tmp.c[0] */
(*cbc)(in,tmp.c,16,key,tmp.c+16,0);
memset(tmp.c, 0, sizeof(tmp));
/*
* this places in[16] at &tmp.c[16] and decrypted block at &tmp.c[0]
*/
(*cbc) (in, tmp.c, 16, key, tmp.c + 16, 0);
memcpy(tmp.c,in+16,residue);
memcpy(tmp.c, in + 16, residue);
#if defined(CBC_HANDLES_TRUNCATED_IO)
(*cbc)(tmp.c,out,16+residue,key,ivec,0);
(*cbc) (tmp.c, out, 16 + residue, key, ivec, 0);
#else
(*cbc)(tmp.c,tmp.c,32,key,ivec,0);
memcpy(out,tmp.c,16+residue);
(*cbc) (tmp.c, tmp.c, 32, key, ivec, 0);
memcpy(out, tmp.c, 16 + residue);
#endif
return len+residue;
return 16 + len + residue;
}
size_t CRYPTO_nistcts128_decrypt(const unsigned char *in, unsigned char *out,
size_t len, const void *key,
unsigned char ivec[16], cbc128_f cbc)
{
size_t residue;
union {
size_t align;
unsigned char c[32];
} tmp;
assert(in && out && key && ivec);
if (len < 16)
return 0;
residue = len % 16;
if (residue == 0) {
(*cbc) (in, out, len, key, ivec, 0);
return len;
}
len -= 16 + residue;
if (len) {
(*cbc) (in, out, len, key, ivec, 0);
in += len;
out += len;
}
memset(tmp.c, 0, sizeof(tmp));
/*
* this places in[16] at &tmp.c[16] and decrypted block at &tmp.c[0]
*/
(*cbc) (in + residue, tmp.c, 16, key, tmp.c + 16, 0);
memcpy(tmp.c, in, residue);
#if defined(CBC_HANDLES_TRUNCATED_IO)
(*cbc) (tmp.c, out, 16 + residue, key, ivec, 0);
#else
(*cbc) (tmp.c, tmp.c, 32, key, ivec, 0);
memcpy(out, tmp.c, 16 + residue);
#endif
return 16 + len + residue;
}
#if defined(SELFTEST)
#include <stdio.h>
#include <openssl/aes.h>
# include <stdio.h>
# include <openssl/aes.h>
/* test vectors from RFC 3962 */
static const unsigned char test_key[16] = "chicken teriyaki";
static const unsigned char test_input[64] =
"I would like the" " General Gau's C"
"hicken, please, " "and wonton soup.";
static const unsigned char test_iv[16] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
"I would like the" " General Gau's C"
"hicken, please, " "and wonton soup.";
static const unsigned char test_iv[16] =
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
static const unsigned char vector_17[17] =
{0xc6,0x35,0x35,0x68,0xf2,0xbf,0x8c,0xb4, 0xd8,0xa5,0x80,0x36,0x2d,0xa7,0xff,0x7f,
0x97};
static const unsigned char vector_31[31] =
{0xfc,0x00,0x78,0x3e,0x0e,0xfd,0xb2,0xc1, 0xd4,0x45,0xd4,0xc8,0xef,0xf7,0xed,0x22,
0x97,0x68,0x72,0x68,0xd6,0xec,0xcc,0xc0, 0xc0,0x7b,0x25,0xe2,0x5e,0xcf,0xe5};
static const unsigned char vector_32[32] =
{0x39,0x31,0x25,0x23,0xa7,0x86,0x62,0xd5, 0xbe,0x7f,0xcb,0xcc,0x98,0xeb,0xf5,0xa8,
0x97,0x68,0x72,0x68,0xd6,0xec,0xcc,0xc0, 0xc0,0x7b,0x25,0xe2,0x5e,0xcf,0xe5,0x84};
static const unsigned char vector_47[47] =
{0x97,0x68,0x72,0x68,0xd6,0xec,0xcc,0xc0, 0xc0,0x7b,0x25,0xe2,0x5e,0xcf,0xe5,0x84,
0xb3,0xff,0xfd,0x94,0x0c,0x16,0xa1,0x8c, 0x1b,0x55,0x49,0xd2,0xf8,0x38,0x02,0x9e,
0x39,0x31,0x25,0x23,0xa7,0x86,0x62,0xd5, 0xbe,0x7f,0xcb,0xcc,0x98,0xeb,0xf5};
static const unsigned char vector_48[48] =
{0x97,0x68,0x72,0x68,0xd6,0xec,0xcc,0xc0, 0xc0,0x7b,0x25,0xe2,0x5e,0xcf,0xe5,0x84,
0x9d,0xad,0x8b,0xbb,0x96,0xc4,0xcd,0xc0, 0x3b,0xc1,0x03,0xe1,0xa1,0x94,0xbb,0xd8,
0x39,0x31,0x25,0x23,0xa7,0x86,0x62,0xd5, 0xbe,0x7f,0xcb,0xcc,0x98,0xeb,0xf5,0xa8};
static const unsigned char vector_64[64] =
{0x97,0x68,0x72,0x68,0xd6,0xec,0xcc,0xc0, 0xc0,0x7b,0x25,0xe2,0x5e,0xcf,0xe5,0x84,
0x39,0x31,0x25,0x23,0xa7,0x86,0x62,0xd5, 0xbe,0x7f,0xcb,0xcc,0x98,0xeb,0xf5,0xa8,
0x48,0x07,0xef,0xe8,0x36,0xee,0x89,0xa5, 0x26,0x73,0x0d,0xbc,0x2f,0x7b,0xc8,0x40,
0x9d,0xad,0x8b,0xbb,0x96,0xc4,0xcd,0xc0, 0x3b,0xc1,0x03,0xe1,0xa1,0x94,0xbb,0xd8};
static const unsigned char vector_17[17] = {
0xc6, 0x35, 0x35, 0x68, 0xf2, 0xbf, 0x8c, 0xb4,
0xd8, 0xa5, 0x80, 0x36, 0x2d, 0xa7, 0xff, 0x7f,
0x97
};
static const unsigned char vector_31[31] = {
0xfc, 0x00, 0x78, 0x3e, 0x0e, 0xfd, 0xb2, 0xc1,
0xd4, 0x45, 0xd4, 0xc8, 0xef, 0xf7, 0xed, 0x22,
0x97, 0x68, 0x72, 0x68, 0xd6, 0xec, 0xcc, 0xc0,
0xc0, 0x7b, 0x25, 0xe2, 0x5e, 0xcf, 0xe5
};
static const unsigned char vector_32[32] = {
0x39, 0x31, 0x25, 0x23, 0xa7, 0x86, 0x62, 0xd5,
0xbe, 0x7f, 0xcb, 0xcc, 0x98, 0xeb, 0xf5, 0xa8,
0x97, 0x68, 0x72, 0x68, 0xd6, 0xec, 0xcc, 0xc0,
0xc0, 0x7b, 0x25, 0xe2, 0x5e, 0xcf, 0xe5, 0x84
};
static const unsigned char vector_47[47] = {
0x97, 0x68, 0x72, 0x68, 0xd6, 0xec, 0xcc, 0xc0,
0xc0, 0x7b, 0x25, 0xe2, 0x5e, 0xcf, 0xe5, 0x84,
0xb3, 0xff, 0xfd, 0x94, 0x0c, 0x16, 0xa1, 0x8c,
0x1b, 0x55, 0x49, 0xd2, 0xf8, 0x38, 0x02, 0x9e,
0x39, 0x31, 0x25, 0x23, 0xa7, 0x86, 0x62, 0xd5,
0xbe, 0x7f, 0xcb, 0xcc, 0x98, 0xeb, 0xf5
};
static const unsigned char vector_48[48] = {
0x97, 0x68, 0x72, 0x68, 0xd6, 0xec, 0xcc, 0xc0,
0xc0, 0x7b, 0x25, 0xe2, 0x5e, 0xcf, 0xe5, 0x84,
0x9d, 0xad, 0x8b, 0xbb, 0x96, 0xc4, 0xcd, 0xc0,
0x3b, 0xc1, 0x03, 0xe1, 0xa1, 0x94, 0xbb, 0xd8,
0x39, 0x31, 0x25, 0x23, 0xa7, 0x86, 0x62, 0xd5,
0xbe, 0x7f, 0xcb, 0xcc, 0x98, 0xeb, 0xf5, 0xa8
};
static const unsigned char vector_64[64] = {
0x97, 0x68, 0x72, 0x68, 0xd6, 0xec, 0xcc, 0xc0,
0xc0, 0x7b, 0x25, 0xe2, 0x5e, 0xcf, 0xe5, 0x84,
0x39, 0x31, 0x25, 0x23, 0xa7, 0x86, 0x62, 0xd5,
0xbe, 0x7f, 0xcb, 0xcc, 0x98, 0xeb, 0xf5, 0xa8,
0x48, 0x07, 0xef, 0xe8, 0x36, 0xee, 0x89, 0xa5,
0x26, 0x73, 0x0d, 0xbc, 0x2f, 0x7b, 0xc8, 0x40,
0x9d, 0xad, 0x8b, 0xbb, 0x96, 0xc4, 0xcd, 0xc0,
0x3b, 0xc1, 0x03, 0xe1, 0xa1, 0x94, 0xbb, 0xd8
};
static AES_KEY encks, decks;
void test_vector(const unsigned char *vector,size_t len)
{ unsigned char cleartext[64];
unsigned char iv[sizeof(test_iv)];
unsigned char ciphertext[64];
size_t tail;
void test_vector(const unsigned char *vector, size_t len)
{
unsigned char iv[sizeof(test_iv)];
unsigned char cleartext[64], ciphertext[64];
size_t tail;
printf("vector_%d\n",len); fflush(stdout);
printf("vector_%d\n", len);
fflush(stdout);
if ((tail=len%16) == 0) tail = 16;
tail += 16;
if ((tail = len % 16) == 0)
tail = 16;
tail += 16;
/* test block-based encryption */
memcpy(iv,test_iv,sizeof(test_iv));
CRYPTO_cts128_encrypt_block(test_input,ciphertext,len,&encks,iv,(block128_f)AES_encrypt);
if (memcmp(ciphertext,vector,len))
fprintf(stderr,"output_%d mismatch\n",len), exit(1);
if (memcmp(iv,vector+len-tail,sizeof(iv)))
fprintf(stderr,"iv_%d mismatch\n",len), exit(1);
/* test block-based encryption */
memcpy(iv, test_iv, sizeof(test_iv));
CRYPTO_cts128_encrypt_block(test_input, ciphertext, len, &encks, iv,
(block128_f) AES_encrypt);
if (memcmp(ciphertext, vector, len))
fprintf(stderr, "output_%d mismatch\n", len), exit(1);
if (memcmp(iv, vector + len - tail, sizeof(iv)))
fprintf(stderr, "iv_%d mismatch\n", len), exit(1);
/* test block-based decryption */
memcpy(iv,test_iv,sizeof(test_iv));
CRYPTO_cts128_decrypt_block(ciphertext,cleartext,len,&decks,iv,(block128_f)AES_decrypt);
if (memcmp(cleartext,test_input,len))
fprintf(stderr,"input_%d mismatch\n",len), exit(2);
if (memcmp(iv,vector+len-tail,sizeof(iv)))
fprintf(stderr,"iv_%d mismatch\n",len), exit(2);
/* test block-based decryption */
memcpy(iv, test_iv, sizeof(test_iv));
CRYPTO_cts128_decrypt_block(ciphertext, cleartext, len, &decks, iv,
(block128_f) AES_decrypt);
if (memcmp(cleartext, test_input, len))
fprintf(stderr, "input_%d mismatch\n", len), exit(2);
if (memcmp(iv, vector + len - tail, sizeof(iv)))
fprintf(stderr, "iv_%d mismatch\n", len), exit(2);
/* test streamed encryption */
memcpy(iv,test_iv,sizeof(test_iv));
CRYPTO_cts128_encrypt(test_input,ciphertext,len,&encks,iv,(cbc128_f)AES_cbc_encrypt);
if (memcmp(ciphertext,vector,len))
fprintf(stderr,"output_%d mismatch\n",len), exit(3);
if (memcmp(iv,vector+len-tail,sizeof(iv)))
fprintf(stderr,"iv_%d mismatch\n",len), exit(3);
/* test streamed encryption */
memcpy(iv, test_iv, sizeof(test_iv));
CRYPTO_cts128_encrypt(test_input, ciphertext, len, &encks, iv,
(cbc128_f) AES_cbc_encrypt);
if (memcmp(ciphertext, vector, len))
fprintf(stderr, "output_%d mismatch\n", len), exit(3);
if (memcmp(iv, vector + len - tail, sizeof(iv)))
fprintf(stderr, "iv_%d mismatch\n", len), exit(3);
/* test streamed decryption */
memcpy(iv,test_iv,sizeof(test_iv));
CRYPTO_cts128_decrypt(ciphertext,cleartext,len,&decks,iv,(cbc128_f)AES_cbc_encrypt);
if (memcmp(cleartext,test_input,len))
fprintf(stderr,"input_%d mismatch\n",len), exit(4);
if (memcmp(iv,vector+len-tail,sizeof(iv)))
fprintf(stderr,"iv_%d mismatch\n",len), exit(4);
/* test streamed decryption */
memcpy(iv, test_iv, sizeof(test_iv));
CRYPTO_cts128_decrypt(ciphertext, cleartext, len, &decks, iv,
(cbc128_f) AES_cbc_encrypt);
if (memcmp(cleartext, test_input, len))
fprintf(stderr, "input_%d mismatch\n", len), exit(4);
if (memcmp(iv, vector + len - tail, sizeof(iv)))
fprintf(stderr, "iv_%d mismatch\n", len), exit(4);
}
main()
void test_nistvector(const unsigned char *vector, size_t len)
{
AES_set_encrypt_key(test_key,128,&encks);
AES_set_decrypt_key(test_key,128,&decks);
unsigned char iv[sizeof(test_iv)];
unsigned char cleartext[64], ciphertext[64], nistvector[64];
size_t tail;
test_vector(vector_17,sizeof(vector_17));
test_vector(vector_31,sizeof(vector_31));
test_vector(vector_32,sizeof(vector_32));
test_vector(vector_47,sizeof(vector_47));
test_vector(vector_48,sizeof(vector_48));
test_vector(vector_64,sizeof(vector_64));
exit(0);
printf("nistvector_%d\n", len);
fflush(stdout);
if ((tail = len % 16) == 0)
tail = 16;
len -= 16 + tail;
memcpy(nistvector, vector, len);
/* flip two last blocks */
memcpy(nistvector + len, vector + len + 16, tail);
memcpy(nistvector + len + tail, vector + len, 16);
len += 16 + tail;
tail = 16;
/* test block-based encryption */
memcpy(iv, test_iv, sizeof(test_iv));
CRYPTO_nistcts128_encrypt_block(test_input, ciphertext, len, &encks, iv,
(block128_f) AES_encrypt);
if (memcmp(ciphertext, nistvector, len))
fprintf(stderr, "output_%d mismatch\n", len), exit(1);
if (memcmp(iv, nistvector + len - tail, sizeof(iv)))
fprintf(stderr, "iv_%d mismatch\n", len), exit(1);
/* test block-based decryption */
memcpy(iv, test_iv, sizeof(test_iv));
CRYPTO_nistcts128_decrypt_block(ciphertext, cleartext, len, &decks, iv,
(block128_f) AES_decrypt);
if (memcmp(cleartext, test_input, len))
fprintf(stderr, "input_%d mismatch\n", len), exit(2);
if (memcmp(iv, nistvector + len - tail, sizeof(iv)))
fprintf(stderr, "iv_%d mismatch\n", len), exit(2);
/* test streamed encryption */
memcpy(iv, test_iv, sizeof(test_iv));
CRYPTO_nistcts128_encrypt(test_input, ciphertext, len, &encks, iv,
(cbc128_f) AES_cbc_encrypt);
if (memcmp(ciphertext, nistvector, len))
fprintf(stderr, "output_%d mismatch\n", len), exit(3);
if (memcmp(iv, nistvector + len - tail, sizeof(iv)))
fprintf(stderr, "iv_%d mismatch\n", len), exit(3);
/* test streamed decryption */
memcpy(iv, test_iv, sizeof(test_iv));
CRYPTO_nistcts128_decrypt(ciphertext, cleartext, len, &decks, iv,
(cbc128_f) AES_cbc_encrypt);
if (memcmp(cleartext, test_input, len))
fprintf(stderr, "input_%d mismatch\n", len), exit(4);
if (memcmp(iv, nistvector + len - tail, sizeof(iv)))
fprintf(stderr, "iv_%d mismatch\n", len), exit(4);
}
int main()
{
AES_set_encrypt_key(test_key, 128, &encks);
AES_set_decrypt_key(test_key, 128, &decks);
test_vector(vector_17, sizeof(vector_17));
test_vector(vector_31, sizeof(vector_31));
test_vector(vector_32, sizeof(vector_32));
test_vector(vector_47, sizeof(vector_47));
test_vector(vector_48, sizeof(vector_48));
test_vector(vector_64, sizeof(vector_64));
test_nistvector(vector_17, sizeof(vector_17));
test_nistvector(vector_31, sizeof(vector_31));
test_nistvector(vector_32, sizeof(vector_32));
test_nistvector(vector_47, sizeof(vector_47));
test_nistvector(vector_48, sizeof(vector_48));
test_nistvector(vector_64, sizeof(vector_64));
return 0;
}
#endif