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Minor formatting improvements in pk_encrypt and pk_decrypt examples

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This commit is contained in:
Hanno Becker 2018-08-23 14:39:04 +01:00
parent 20b5d14b28
commit 6953ac2dbe
2 changed files with 22 additions and 14 deletions
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13
programs/pkey/pk_decrypt.c
View file

@ -93,11 +93,12 @@ int main( int argc, char *argv[] )
mbedtls_printf( "\n . Seeding the random number generator..." ); mbedtls_printf( "\n . Seeding the random number generator..." );
fflush( stdout ); fflush( stdout );
if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy, if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func,
(const unsigned char *) pers, &entropy, (const unsigned char *) pers,
strlen( pers ) ) ) != 0 ) strlen( pers ) ) ) != 0 )
{ {
mbedtls_printf( " failed\n ! mbedtls_ctr_drbg_seed returned %d\n", ret ); mbedtls_printf( " failed\n ! mbedtls_ctr_drbg_seed returned %d\n",
ret );
goto exit; goto exit;
} }
@ -121,10 +122,11 @@ int main( int argc, char *argv[] )
} }
i = 0; i = 0;
while( fscanf( f, "%02X", &c ) > 0 && while( fscanf( f, "%02X", &c ) > 0 &&
i < (int) sizeof( buf ) ) i < (int) sizeof( buf ) )
{
buf[i++] = (unsigned char) c; buf[i++] = (unsigned char) c;
}
fclose( f ); fclose( f );
@ -137,7 +139,8 @@ int main( int argc, char *argv[] )
if( ( ret = mbedtls_pk_decrypt( &pk, buf, i, result, &olen, sizeof(result), if( ( ret = mbedtls_pk_decrypt( &pk, buf, i, result, &olen, sizeof(result),
mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 ) mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 )
{ {
mbedtls_printf( " failed\n ! mbedtls_pk_decrypt returned -0x%04x\n", -ret ); mbedtls_printf( " failed\n ! mbedtls_pk_decrypt returned -0x%04x\n",
-ret );
goto exit; goto exit;
} }

15
programs/pkey/pk_encrypt.c
View file

@ -90,11 +90,12 @@ int main( int argc, char *argv[] )
mbedtls_printf( "\n . Seeding the random number generator..." ); mbedtls_printf( "\n . Seeding the random number generator..." );
fflush( stdout ); fflush( stdout );
if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy, if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func,
(const unsigned char *) pers, &entropy, (const unsigned char *) pers,
strlen( pers ) ) ) != 0 ) strlen( pers ) ) ) != 0 )
{ {
mbedtls_printf( " failed\n ! mbedtls_ctr_drbg_seed returned -0x%04x\n", -ret ); mbedtls_printf( " failed\n ! mbedtls_ctr_drbg_seed returned -0x%04x\n",
-ret );
goto exit; goto exit;
} }
@ -125,7 +126,8 @@ int main( int argc, char *argv[] )
buf, &olen, sizeof(buf), buf, &olen, sizeof(buf),
mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 ) mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 )
{ {
mbedtls_printf( " failed\n ! mbedtls_pk_encrypt returned -0x%04x\n", -ret ); mbedtls_printf( " failed\n ! mbedtls_pk_encrypt returned -0x%04x\n",
-ret );
goto exit; goto exit;
} }
@ -134,14 +136,17 @@ int main( int argc, char *argv[] )
*/ */
if( ( f = fopen( "result-enc.txt", "wb+" ) ) == NULL ) if( ( f = fopen( "result-enc.txt", "wb+" ) ) == NULL )
{ {
mbedtls_printf( " failed\n ! Could not create %s\n\n", "result-enc.txt" ); mbedtls_printf( " failed\n ! Could not create %s\n\n",
"result-enc.txt" );
ret = 1; ret = 1;
goto exit; goto exit;
} }
for( i = 0; i < olen; i++ ) for( i = 0; i < olen; i++ )
{
mbedtls_fprintf( f, "%02X%s", buf[i], mbedtls_fprintf( f, "%02X%s", buf[i],
( i + 1 ) % 16 == 0 ? "\r\n" : " " ); ( i + 1 ) % 16 == 0 ? "\r\n" : " " );
}
fclose( f ); fclose( f );