early-access version 1255
This commit is contained in:
pineappleEA
319
externals/mbedtls/tests/suites/test_suite_hmac_drbg.function
vendored
Executable file
319
externals/mbedtls/tests/suites/test_suite_hmac_drbg.function
vendored
Executable file
@@ -0,0 +1,319 @@
|
||||
/* BEGIN_HEADER */
|
||||
#include "mbedtls/hmac_drbg.h"
|
||||
|
||||
typedef struct
|
||||
{
|
||||
unsigned char *p;
|
||||
size_t len;
|
||||
} entropy_ctx;
|
||||
|
||||
static int mbedtls_test_entropy_func( void *data, unsigned char *buf, size_t len )
|
||||
{
|
||||
entropy_ctx *ctx = (entropy_ctx *) data;
|
||||
|
||||
if( len > ctx->len )
|
||||
return( -1 );
|
||||
|
||||
memcpy( buf, ctx->p, len );
|
||||
|
||||
ctx->p += len;
|
||||
ctx->len -= len;
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
/* END_HEADER */
|
||||
|
||||
/* BEGIN_DEPENDENCIES
|
||||
* depends_on:MBEDTLS_HMAC_DRBG_C
|
||||
* END_DEPENDENCIES
|
||||
*/
|
||||
|
||||
/* BEGIN_CASE */
|
||||
void hmac_drbg_entropy_usage( int md_alg )
|
||||
{
|
||||
unsigned char out[16];
|
||||
unsigned char buf[1024];
|
||||
const mbedtls_md_info_t *md_info;
|
||||
mbedtls_hmac_drbg_context ctx;
|
||||
entropy_ctx entropy;
|
||||
size_t last_len, i, reps = 10;
|
||||
|
||||
mbedtls_hmac_drbg_init( &ctx );
|
||||
memset( buf, 0, sizeof( buf ) );
|
||||
memset( out, 0, sizeof( out ) );
|
||||
|
||||
entropy.len = sizeof( buf );
|
||||
entropy.p = buf;
|
||||
|
||||
md_info = mbedtls_md_info_from_type( md_alg );
|
||||
TEST_ASSERT( md_info != NULL );
|
||||
|
||||
/* Init must use entropy */
|
||||
last_len = entropy.len;
|
||||
TEST_ASSERT( mbedtls_hmac_drbg_seed( &ctx, md_info, mbedtls_test_entropy_func, &entropy,
|
||||
NULL, 0 ) == 0 );
|
||||
TEST_ASSERT( entropy.len < last_len );
|
||||
|
||||
/* By default, PR is off and reseed_interval is large,
|
||||
* so the next few calls should not use entropy */
|
||||
last_len = entropy.len;
|
||||
for( i = 0; i < reps; i++ )
|
||||
{
|
||||
TEST_ASSERT( mbedtls_hmac_drbg_random( &ctx, out, sizeof( out ) - 4 ) == 0 );
|
||||
TEST_ASSERT( mbedtls_hmac_drbg_random_with_add( &ctx, out, sizeof( out ) - 4,
|
||||
buf, 16 ) == 0 );
|
||||
}
|
||||
TEST_ASSERT( entropy.len == last_len );
|
||||
|
||||
/* While at it, make sure we didn't write past the requested length */
|
||||
TEST_ASSERT( out[sizeof( out ) - 4] == 0 );
|
||||
TEST_ASSERT( out[sizeof( out ) - 3] == 0 );
|
||||
TEST_ASSERT( out[sizeof( out ) - 2] == 0 );
|
||||
TEST_ASSERT( out[sizeof( out ) - 1] == 0 );
|
||||
|
||||
/* Set reseed_interval to the number of calls done,
|
||||
* so the next call should reseed */
|
||||
mbedtls_hmac_drbg_set_reseed_interval( &ctx, 2 * reps );
|
||||
TEST_ASSERT( mbedtls_hmac_drbg_random( &ctx, out, sizeof( out ) ) == 0 );
|
||||
TEST_ASSERT( entropy.len < last_len );
|
||||
|
||||
/* The new few calls should not reseed */
|
||||
last_len = entropy.len;
|
||||
for( i = 0; i < reps / 2; i++ )
|
||||
{
|
||||
TEST_ASSERT( mbedtls_hmac_drbg_random( &ctx, out, sizeof( out ) ) == 0 );
|
||||
TEST_ASSERT( mbedtls_hmac_drbg_random_with_add( &ctx, out, sizeof( out ) ,
|
||||
buf, 16 ) == 0 );
|
||||
}
|
||||
TEST_ASSERT( entropy.len == last_len );
|
||||
|
||||
/* Now enable PR, so the next few calls should all reseed */
|
||||
mbedtls_hmac_drbg_set_prediction_resistance( &ctx, MBEDTLS_HMAC_DRBG_PR_ON );
|
||||
TEST_ASSERT( mbedtls_hmac_drbg_random( &ctx, out, sizeof( out ) ) == 0 );
|
||||
TEST_ASSERT( entropy.len < last_len );
|
||||
|
||||
/* Finally, check setting entropy_len */
|
||||
mbedtls_hmac_drbg_set_entropy_len( &ctx, 42 );
|
||||
last_len = entropy.len;
|
||||
TEST_ASSERT( mbedtls_hmac_drbg_random( &ctx, out, sizeof( out ) ) == 0 );
|
||||
TEST_ASSERT( (int) last_len - entropy.len == 42 );
|
||||
|
||||
mbedtls_hmac_drbg_set_entropy_len( &ctx, 13 );
|
||||
last_len = entropy.len;
|
||||
TEST_ASSERT( mbedtls_hmac_drbg_random( &ctx, out, sizeof( out ) ) == 0 );
|
||||
TEST_ASSERT( (int) last_len - entropy.len == 13 );
|
||||
|
||||
exit:
|
||||
mbedtls_hmac_drbg_free( &ctx );
|
||||
}
|
||||
/* END_CASE */
|
||||
|
||||
/* BEGIN_CASE depends_on:MBEDTLS_FS_IO */
|
||||
void hmac_drbg_seed_file( int md_alg, char *path, int ret )
|
||||
{
|
||||
const mbedtls_md_info_t *md_info;
|
||||
mbedtls_hmac_drbg_context ctx;
|
||||
|
||||
mbedtls_hmac_drbg_init( &ctx );
|
||||
|
||||
md_info = mbedtls_md_info_from_type( md_alg );
|
||||
TEST_ASSERT( md_info != NULL );
|
||||
|
||||
TEST_ASSERT( mbedtls_hmac_drbg_seed( &ctx, md_info, rnd_std_rand, NULL,
|
||||
NULL, 0 ) == 0 );
|
||||
|
||||
TEST_ASSERT( mbedtls_hmac_drbg_write_seed_file( &ctx, path ) == ret );
|
||||
TEST_ASSERT( mbedtls_hmac_drbg_update_seed_file( &ctx, path ) == ret );
|
||||
|
||||
exit:
|
||||
mbedtls_hmac_drbg_free( &ctx );
|
||||
}
|
||||
/* END_CASE */
|
||||
|
||||
/* BEGIN_CASE */
|
||||
void hmac_drbg_buf( int md_alg )
|
||||
{
|
||||
unsigned char out[16];
|
||||
unsigned char buf[100];
|
||||
const mbedtls_md_info_t *md_info;
|
||||
mbedtls_hmac_drbg_context ctx;
|
||||
size_t i;
|
||||
|
||||
mbedtls_hmac_drbg_init( &ctx );
|
||||
memset( buf, 0, sizeof( buf ) );
|
||||
memset( out, 0, sizeof( out ) );
|
||||
|
||||
md_info = mbedtls_md_info_from_type( md_alg );
|
||||
TEST_ASSERT( md_info != NULL );
|
||||
TEST_ASSERT( mbedtls_hmac_drbg_seed_buf( &ctx, md_info, buf, sizeof( buf ) ) == 0 );
|
||||
|
||||
/* Make sure it never tries to reseed (would segfault otherwise) */
|
||||
mbedtls_hmac_drbg_set_reseed_interval( &ctx, 3 );
|
||||
mbedtls_hmac_drbg_set_prediction_resistance( &ctx, MBEDTLS_HMAC_DRBG_PR_ON );
|
||||
|
||||
for( i = 0; i < 30; i++ )
|
||||
TEST_ASSERT( mbedtls_hmac_drbg_random( &ctx, out, sizeof( out ) ) == 0 );
|
||||
|
||||
exit:
|
||||
mbedtls_hmac_drbg_free( &ctx );
|
||||
}
|
||||
/* END_CASE */
|
||||
|
||||
/* BEGIN_CASE */
|
||||
void hmac_drbg_no_reseed( int md_alg,
|
||||
char *entropy_hex, char *custom_hex,
|
||||
char *add1_hex, char *add2_hex,
|
||||
char *output_hex )
|
||||
{
|
||||
unsigned char data[1024];
|
||||
unsigned char entropy[512];
|
||||
unsigned char custom[512];
|
||||
unsigned char add1[512];
|
||||
unsigned char add2[512];
|
||||
unsigned char output[512];
|
||||
unsigned char my_output[512];
|
||||
size_t custom_len, add1_len, add2_len, out_len;
|
||||
entropy_ctx p_entropy;
|
||||
const mbedtls_md_info_t *md_info;
|
||||
mbedtls_hmac_drbg_context ctx;
|
||||
|
||||
mbedtls_hmac_drbg_init( &ctx );
|
||||
memset( my_output, 0, sizeof my_output );
|
||||
|
||||
custom_len = unhexify( custom, custom_hex );
|
||||
add1_len = unhexify( add1, add1_hex );
|
||||
add2_len = unhexify( add2, add2_hex );
|
||||
out_len = unhexify( output, output_hex );
|
||||
p_entropy.len = unhexify( entropy, entropy_hex );
|
||||
p_entropy.p = entropy;
|
||||
|
||||
md_info = mbedtls_md_info_from_type( md_alg );
|
||||
TEST_ASSERT( md_info != NULL );
|
||||
|
||||
/* Test the simplified buffer-based variant */
|
||||
memcpy( data, entropy, p_entropy.len );
|
||||
memcpy( data + p_entropy.len, custom, custom_len );
|
||||
TEST_ASSERT( mbedtls_hmac_drbg_seed_buf( &ctx, md_info,
|
||||
data, p_entropy.len + custom_len ) == 0 );
|
||||
TEST_ASSERT( mbedtls_hmac_drbg_random_with_add( &ctx, my_output, out_len,
|
||||
add1, add1_len ) == 0 );
|
||||
TEST_ASSERT( mbedtls_hmac_drbg_random_with_add( &ctx, my_output, out_len,
|
||||
add2, add2_len ) == 0 );
|
||||
|
||||
/* clear for second run */
|
||||
mbedtls_hmac_drbg_free( &ctx );
|
||||
|
||||
TEST_ASSERT( memcmp( my_output, output, out_len ) == 0 );
|
||||
|
||||
/* And now the normal entropy-based variant */
|
||||
TEST_ASSERT( mbedtls_hmac_drbg_seed( &ctx, md_info, mbedtls_test_entropy_func, &p_entropy,
|
||||
custom, custom_len ) == 0 );
|
||||
TEST_ASSERT( mbedtls_hmac_drbg_random_with_add( &ctx, my_output, out_len,
|
||||
add1, add1_len ) == 0 );
|
||||
TEST_ASSERT( mbedtls_hmac_drbg_random_with_add( &ctx, my_output, out_len,
|
||||
add2, add2_len ) == 0 );
|
||||
TEST_ASSERT( memcmp( my_output, output, out_len ) == 0 );
|
||||
|
||||
exit:
|
||||
mbedtls_hmac_drbg_free( &ctx );
|
||||
}
|
||||
/* END_CASE */
|
||||
|
||||
/* BEGIN_CASE */
|
||||
void hmac_drbg_nopr( int md_alg,
|
||||
char *entropy_hex, char *custom_hex,
|
||||
char *add1_hex, char *add2_hex, char *add3_hex,
|
||||
char *output_hex )
|
||||
{
|
||||
unsigned char entropy[512];
|
||||
unsigned char custom[512];
|
||||
unsigned char add1[512];
|
||||
unsigned char add2[512];
|
||||
unsigned char add3[512];
|
||||
unsigned char output[512];
|
||||
unsigned char my_output[512];
|
||||
size_t custom_len, add1_len, add2_len, add3_len, out_len;
|
||||
entropy_ctx p_entropy;
|
||||
const mbedtls_md_info_t *md_info;
|
||||
mbedtls_hmac_drbg_context ctx;
|
||||
|
||||
mbedtls_hmac_drbg_init( &ctx );
|
||||
memset( my_output, 0, sizeof my_output );
|
||||
|
||||
custom_len = unhexify( custom, custom_hex );
|
||||
add1_len = unhexify( add1, add1_hex );
|
||||
add2_len = unhexify( add2, add2_hex );
|
||||
add3_len = unhexify( add3, add3_hex );
|
||||
out_len = unhexify( output, output_hex );
|
||||
p_entropy.len = unhexify( entropy, entropy_hex );
|
||||
p_entropy.p = entropy;
|
||||
|
||||
md_info = mbedtls_md_info_from_type( md_alg );
|
||||
TEST_ASSERT( md_info != NULL );
|
||||
|
||||
TEST_ASSERT( mbedtls_hmac_drbg_seed( &ctx, md_info, mbedtls_test_entropy_func, &p_entropy,
|
||||
custom, custom_len ) == 0 );
|
||||
TEST_ASSERT( mbedtls_hmac_drbg_reseed( &ctx, add1, add1_len ) == 0 );
|
||||
TEST_ASSERT( mbedtls_hmac_drbg_random_with_add( &ctx, my_output, out_len,
|
||||
add2, add2_len ) == 0 );
|
||||
TEST_ASSERT( mbedtls_hmac_drbg_random_with_add( &ctx, my_output, out_len,
|
||||
add3, add3_len ) == 0 );
|
||||
|
||||
TEST_ASSERT( memcmp( my_output, output, out_len ) == 0 );
|
||||
|
||||
exit:
|
||||
mbedtls_hmac_drbg_free( &ctx );
|
||||
}
|
||||
/* END_CASE */
|
||||
|
||||
/* BEGIN_CASE */
|
||||
void hmac_drbg_pr( int md_alg,
|
||||
char *entropy_hex, char *custom_hex,
|
||||
char *add1_hex, char *add2_hex,
|
||||
char *output_hex )
|
||||
{
|
||||
unsigned char entropy[512];
|
||||
unsigned char custom[512];
|
||||
unsigned char add1[512];
|
||||
unsigned char add2[512];
|
||||
unsigned char output[512];
|
||||
unsigned char my_output[512];
|
||||
size_t custom_len, add1_len, add2_len, out_len;
|
||||
entropy_ctx p_entropy;
|
||||
const mbedtls_md_info_t *md_info;
|
||||
mbedtls_hmac_drbg_context ctx;
|
||||
|
||||
mbedtls_hmac_drbg_init( &ctx );
|
||||
memset( my_output, 0, sizeof my_output );
|
||||
|
||||
custom_len = unhexify( custom, custom_hex );
|
||||
add1_len = unhexify( add1, add1_hex );
|
||||
add2_len = unhexify( add2, add2_hex );
|
||||
out_len = unhexify( output, output_hex );
|
||||
p_entropy.len = unhexify( entropy, entropy_hex );
|
||||
p_entropy.p = entropy;
|
||||
|
||||
md_info = mbedtls_md_info_from_type( md_alg );
|
||||
TEST_ASSERT( md_info != NULL );
|
||||
|
||||
TEST_ASSERT( mbedtls_hmac_drbg_seed( &ctx, md_info, mbedtls_test_entropy_func, &p_entropy,
|
||||
custom, custom_len ) == 0 );
|
||||
mbedtls_hmac_drbg_set_prediction_resistance( &ctx, MBEDTLS_HMAC_DRBG_PR_ON );
|
||||
TEST_ASSERT( mbedtls_hmac_drbg_random_with_add( &ctx, my_output, out_len,
|
||||
add1, add1_len ) == 0 );
|
||||
TEST_ASSERT( mbedtls_hmac_drbg_random_with_add( &ctx, my_output, out_len,
|
||||
add2, add2_len ) == 0 );
|
||||
|
||||
TEST_ASSERT( memcmp( my_output, output, out_len ) == 0 );
|
||||
|
||||
exit:
|
||||
mbedtls_hmac_drbg_free( &ctx );
|
||||
}
|
||||
/* END_CASE */
|
||||
|
||||
/* BEGIN_CASE depends_on:MBEDTLS_SELF_TEST */
|
||||
void hmac_drbg_selftest( )
|
||||
{
|
||||
TEST_ASSERT( mbedtls_hmac_drbg_self_test( 1 ) == 0 );
|
||||
}
|
||||
/* END_CASE */
|
||||
Reference in New Issue
Block a user