/* BEGIN_HEADER */
#include <polarssl/md.h>
#include <polarssl/md2.h>
#include <polarssl/md4.h>
#include <polarssl/md5.h>
#include <polarssl/sha1.h>
#include <polarssl/sha256.h>
#include <polarssl/sha512.h>
/* END_HEADER */

/* BEGIN_DEPENDENCIES
 * depends_on:POLARSSL_MD_C
 * END_DEPENDENCIES
 */

/* BEGIN_CASE */
void md_text( char *text_md_name, char *text_src_string, char *hex_hash_string )
{
    char md_name[100];
    unsigned char src_str[1000];
    unsigned char hash_str[1000];
    unsigned char output[100];
    const md_info_t *md_info = NULL;

    memset(md_name, 0x00, 100);
    memset(src_str, 0x00, 1000);
    memset(hash_str, 0x00, 1000);
    memset(output, 0x00, 100);

    strcpy( (char *) src_str, text_src_string );
    
    strncpy( (char *) md_name, text_md_name, 100 );
    md_info = md_info_from_string(md_name);
    TEST_ASSERT( md_info != NULL );

    TEST_ASSERT ( 0 == md( md_info, src_str, strlen( (char *) src_str ), output ) );
    hexify( hash_str, output, md_get_size(md_info) );

    TEST_ASSERT( strcmp( (char *) hash_str, hex_hash_string ) == 0 );
}
/* END_CASE */

/* BEGIN_CASE */
void md_hex( char *text_md_name, char *hex_src_string, char *hex_hash_string )
{
    char md_name[100];
    unsigned char src_str[10000];
    unsigned char hash_str[10000];
    unsigned char output[100];
    int src_len;
    const md_info_t *md_info = NULL;

    memset(md_name, 0x00, 100);
    memset(src_str, 0x00, 10000);
    memset(hash_str, 0x00, 10000);
    memset(output, 0x00, 100);

    strncpy( (char *) md_name, text_md_name, 100 );
    md_info = md_info_from_string(md_name);
    TEST_ASSERT( md_info != NULL );

    src_len = unhexify( src_str, hex_src_string );
    TEST_ASSERT ( 0 == md( md_info, src_str, src_len, output ) );

    hexify( hash_str, output, md_get_size(md_info) );

    TEST_ASSERT( strcmp( (char *) hash_str, hex_hash_string ) == 0 );
}
/* END_CASE */

/* BEGIN_CASE */
void md_text_multi( char *text_md_name, char *text_src_string,
                    char *hex_hash_string )
{
    char md_name[100];
    unsigned char src_str[1000];
    unsigned char hash_str[1000];
    unsigned char output[100];
    
    const md_info_t *md_info = NULL;
    md_context_t ctx = MD_CONTEXT_T_INIT;

    memset(md_name, 0x00, 100);
    memset(src_str, 0x00, 1000);
    memset(hash_str, 0x00, 1000);
    memset(output, 0x00, 100);

    strcpy( (char *) src_str, text_src_string );
    
    strncpy( (char *) md_name, text_md_name, 100 );
    md_info = md_info_from_string(md_name);
    TEST_ASSERT( md_info != NULL );
    TEST_ASSERT ( 0 == md_init_ctx( &ctx, md_info ) );

    TEST_ASSERT ( 0 == md_starts( &ctx ) );
    TEST_ASSERT ( ctx.md_ctx != NULL );
    TEST_ASSERT ( 0 == md_update( &ctx, src_str, strlen( (char *) src_str ) ) );
    TEST_ASSERT ( 0 == md_finish( &ctx, output ) );
    TEST_ASSERT ( 0 == md_free_ctx( &ctx ) );
    
    hexify( hash_str, output, md_get_size(md_info) );

    TEST_ASSERT( strcmp( (char *) hash_str, hex_hash_string ) == 0 );
}
/* END_CASE */

/* BEGIN_CASE */
void md_hex_multi( char *text_md_name, char *hex_src_string,
                   char *hex_hash_string )
{
    char md_name[100];
    unsigned char src_str[10000];
    unsigned char hash_str[10000];
    unsigned char output[100];
    int src_len;
    const md_info_t *md_info = NULL;
    md_context_t ctx = MD_CONTEXT_T_INIT;

    memset(md_name, 0x00, 100);
    memset(src_str, 0x00, 10000);
    memset(hash_str, 0x00, 10000);
    memset(output, 0x00, 100);

    strncpy( (char *) md_name, text_md_name, 100 );
    md_info = md_info_from_string(md_name);
    TEST_ASSERT( md_info != NULL );
    TEST_ASSERT ( 0 == md_init_ctx( &ctx, md_info ) );

    src_len = unhexify( src_str, hex_src_string );
    
    TEST_ASSERT ( 0 == md_starts( &ctx ) );
    TEST_ASSERT ( ctx.md_ctx != NULL );
    TEST_ASSERT ( 0 == md_update( &ctx, src_str, src_len ) );
    TEST_ASSERT ( 0 == md_finish( &ctx, output ) );
    TEST_ASSERT ( 0 == md_free_ctx( &ctx ) );
    
    hexify( hash_str, output, md_get_size(md_info) );

    TEST_ASSERT( strcmp( (char *) hash_str, hex_hash_string ) == 0 );
}
/* END_CASE */

/* BEGIN_CASE */
void md_hmac( char *text_md_name, int trunc_size, char *hex_key_string,
              char *hex_src_string, char *hex_hash_string )
{
    char md_name[100];
    unsigned char src_str[10000];
    unsigned char key_str[10000];
    unsigned char hash_str[10000];
    unsigned char output[100];
    int key_len, src_len;
    const md_info_t *md_info = NULL;

    memset(md_name, 0x00, 100);
    memset(src_str, 0x00, 10000);
    memset(key_str, 0x00, 10000);
    memset(hash_str, 0x00, 10000);
    memset(output, 0x00, 100);

    strncpy( (char *) md_name, text_md_name, 100 );
    md_info = md_info_from_string( md_name );
    TEST_ASSERT( md_info != NULL );

    key_len = unhexify( key_str, hex_key_string );
    src_len = unhexify( src_str, hex_src_string );

    TEST_ASSERT ( md_hmac( md_info, key_str, key_len, src_str, src_len, output ) == 0 );
    hexify( hash_str, output, md_get_size(md_info) );

    TEST_ASSERT( strncmp( (char *) hash_str, hex_hash_string, trunc_size * 2 ) == 0 );
}
/* END_CASE */

/* BEGIN_CASE */
void md_hmac_multi( char *text_md_name, int trunc_size, char *hex_key_string,
                    char *hex_src_string, char *hex_hash_string )
{
    char md_name[100];
    unsigned char src_str[10000];
    unsigned char key_str[10000];
    unsigned char hash_str[10000];
    unsigned char output[100];
    int key_len, src_len;
    const md_info_t *md_info = NULL;
    md_context_t ctx = MD_CONTEXT_T_INIT;

    memset(md_name, 0x00, 100);
    memset(src_str, 0x00, 10000);
    memset(key_str, 0x00, 10000);
    memset(hash_str, 0x00, 10000);
    memset(output, 0x00, 100);

    strncpy( (char *) md_name, text_md_name, 100 );
    md_info = md_info_from_string( md_name );
    TEST_ASSERT( md_info != NULL );
    TEST_ASSERT ( 0 == md_init_ctx( &ctx, md_info ) );

    key_len = unhexify( key_str, hex_key_string );
    src_len = unhexify( src_str, hex_src_string );

    TEST_ASSERT ( 0 == md_hmac_starts( &ctx, key_str, key_len ) );
    TEST_ASSERT ( ctx.md_ctx != NULL );
    TEST_ASSERT ( 0 == md_hmac_update( &ctx, src_str, src_len ) );
    TEST_ASSERT ( 0 == md_hmac_finish( &ctx, output ) );
    TEST_ASSERT ( 0 == md_free_ctx( &ctx ) );

    hexify( hash_str, output, md_get_size(md_info) );

    TEST_ASSERT( strncmp( (char *) hash_str, hex_hash_string, trunc_size * 2 ) == 0 );
}
/* END_CASE */

/* BEGIN_CASE depends_on:POLARSSL_FS_IO */
void md_file( char *text_md_name, char *filename, char *hex_hash_string )
{
    char md_name[100];
    unsigned char hash_str[1000];
    unsigned char output[100];
    const md_info_t *md_info = NULL;

    memset(md_name, 0x00, 100);
    memset(hash_str, 0x00, 1000);
    memset(output, 0x00, 100);

    strncpy( (char *) md_name, text_md_name, 100 );
    md_info = md_info_from_string( md_name );
    TEST_ASSERT( md_info != NULL );

    md_file( md_info, filename, output);
    hexify( hash_str, output, md_get_size(md_info) );

    TEST_ASSERT( strcmp( (char *) hash_str, hex_hash_string ) == 0 );
}
/* END_CASE */