/* BEGIN_HEADER */
#include <polarssl/sha1.h>
#include <polarssl/sha256.h>
#include <polarssl/sha512.h>
/* END_HEADER */

/* BEGIN_CASE depends_on:POLARSSL_SHA1_C */
void sha1_hmac( int trunc_size, char *hex_key_string, char *hex_src_string,
                char *hex_hash_string)
{
    unsigned char src_str[10000];
    unsigned char key_str[10000];
    unsigned char hash_str[41];
    unsigned char output[20];
    int key_len, src_len;
    sha1_context ctx;

    memset(src_str, 0x00, sizeof src_str);
    memset(key_str, 0x00, sizeof key_str);

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

    /* Test the all-in-one interface */
    memset(hash_str, 0x00, sizeof hash_str);
    memset(output, 0x00, sizeof output);

    sha1_hmac( key_str, key_len, src_str, src_len, output );

    hexify( hash_str, output, sizeof output );
    TEST_ASSERT( strncmp( (char *) hash_str, hex_hash_string, trunc_size * 2 ) == 0 );

    /* Also test the "streaming" interface */
    memset( hash_str, 0x00, sizeof hash_str );
    memset( output, 0x00, sizeof output );
    memset( &ctx, 0x00, sizeof ctx );

    sha1_hmac_starts( &ctx, key_str, key_len );
    sha1_hmac_update( &ctx, src_str, 0 );
    sha1_hmac_update( &ctx, src_str, src_len / 2 );
    sha1_hmac_update( &ctx, src_str + src_len / 2, src_len - src_len / 2 );
    sha1_hmac_update( &ctx, src_str + src_len, 0 );
    sha1_hmac_finish( &ctx, output );

    hexify( hash_str, output, sizeof  output );
    TEST_ASSERT( strncmp( (char *) hash_str, hex_hash_string, trunc_size * 2 ) == 0 );

    /* Again, to test hmac_reset() */
    memset( hash_str, 0x00, sizeof hash_str );
    memset( output, 0x00, sizeof output );

    sha1_hmac_reset( &ctx );
    sha1_hmac_update( &ctx, src_str, src_len / 2 );
    sha1_hmac_update( &ctx, src_str + src_len / 2, src_len - src_len / 2 );
    sha1_hmac_finish( &ctx, output );

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

/* BEGIN_CASE depends_on:POLARSSL_SHA256_C */
void sha224_hmac( int trunc_size, char *hex_key_string, char *hex_src_string,
                  char *hex_hash_string)
{
    unsigned char src_str[10000];
    unsigned char key_str[10000];
    unsigned char hash_str[57];
    unsigned char output[28];
    int key_len, src_len;
    sha256_context ctx;

    memset(src_str, 0x00, sizeof src_str);
    memset(key_str, 0x00, sizeof key_str);

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

    /* Test the all-in-one interface */
    memset(hash_str, 0x00, sizeof hash_str);
    memset(output, 0x00, sizeof output);

    sha256_hmac( key_str, key_len, src_str, src_len, output, 1 );

    hexify( hash_str, output, sizeof output );
    TEST_ASSERT( strncmp( (char *) hash_str, hex_hash_string, trunc_size * 2 ) == 0 );

    /* Also test the "streaming" interface */
    memset( hash_str, 0x00, sizeof hash_str );
    memset( output, 0x00, sizeof output );
    memset( &ctx, 0x00, sizeof ctx );

    sha256_hmac_starts( &ctx, key_str, key_len, 1 );
    sha256_hmac_update( &ctx, src_str, 0 );
    sha256_hmac_update( &ctx, src_str, src_len / 2 );
    sha256_hmac_update( &ctx, src_str + src_len / 2, src_len - src_len / 2 );
    sha256_hmac_update( &ctx, src_str + src_len, 0 );
    sha256_hmac_finish( &ctx, output );

    hexify( hash_str, output, sizeof  output );
    TEST_ASSERT( strncmp( (char *) hash_str, hex_hash_string, trunc_size * 2 ) == 0 );

    /* Again, to test hmac_reset() */
    memset( hash_str, 0x00, sizeof hash_str );
    memset( output, 0x00, sizeof output );

    sha256_hmac_reset( &ctx );
    sha256_hmac_update( &ctx, src_str, src_len / 2 );
    sha256_hmac_update( &ctx, src_str + src_len / 2, src_len - src_len / 2 );
    sha256_hmac_finish( &ctx, output );

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

/* BEGIN_CASE depends_on:POLARSSL_SHA256_C */
void sha256_hmac( int trunc_size, char *hex_key_string, char *hex_src_string,
                  char *hex_hash_string)
{
    unsigned char src_str[10000];
    unsigned char key_str[10000];
    unsigned char hash_str[65];
    unsigned char output[32];
    int key_len, src_len;
    sha256_context ctx;

    memset(src_str, 0x00, sizeof src_str);
    memset(key_str, 0x00, sizeof key_str);

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

    /* Test the all-in-one interface */
    memset(hash_str, 0x00, sizeof hash_str);
    memset(output, 0x00, sizeof output);

    sha256_hmac( key_str, key_len, src_str, src_len, output, 0 );

    hexify( hash_str, output, sizeof output );
    TEST_ASSERT( strncmp( (char *) hash_str, hex_hash_string, trunc_size * 2 ) == 0 );

    /* Also test the "streaming" interface */
    memset( hash_str, 0x00, sizeof hash_str );
    memset( output, 0x00, sizeof output );
    memset( &ctx, 0x00, sizeof ctx );

    sha256_hmac_starts( &ctx, key_str, key_len, 0 );
    sha256_hmac_update( &ctx, src_str, 0 );
    sha256_hmac_update( &ctx, src_str, src_len / 2 );
    sha256_hmac_update( &ctx, src_str + src_len / 2, src_len - src_len / 2 );
    sha256_hmac_update( &ctx, src_str + src_len, 0 );
    sha256_hmac_finish( &ctx, output );

    hexify( hash_str, output, sizeof  output );
    TEST_ASSERT( strncmp( (char *) hash_str, hex_hash_string, trunc_size * 2 ) == 0 );

    /* Again, to test hmac_reset() */
    memset( hash_str, 0x00, sizeof hash_str );
    memset( output, 0x00, sizeof output );

    sha256_hmac_reset( &ctx );
    sha256_hmac_update( &ctx, src_str, src_len / 2 );
    sha256_hmac_update( &ctx, src_str + src_len / 2, src_len - src_len / 2 );
    sha256_hmac_finish( &ctx, output );

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

/* BEGIN_CASE depends_on:POLARSSL_SHA512_C */
void sha384_hmac( int trunc_size, char *hex_key_string, char *hex_src_string,
                  char *hex_hash_string)
{
    unsigned char src_str[10000];
    unsigned char key_str[10000];
    unsigned char hash_str[97];
    unsigned char output[48];
    int key_len, src_len;
    sha512_context ctx;

    memset(src_str, 0x00, sizeof src_str);
    memset(key_str, 0x00, sizeof key_str);

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

    /* Test the all-in-one interface */
    memset(hash_str, 0x00, sizeof hash_str);
    memset(output, 0x00, sizeof output);

    sha512_hmac( key_str, key_len, src_str, src_len, output, 1 );

    hexify( hash_str, output, sizeof output );
    TEST_ASSERT( strncmp( (char *) hash_str, hex_hash_string, trunc_size * 2 ) == 0 );

    /* Also test the "streaming" interface */
    memset( hash_str, 0x00, sizeof hash_str );
    memset( output, 0x00, sizeof output );
    memset( &ctx, 0x00, sizeof ctx );

    sha512_hmac_starts( &ctx, key_str, key_len, 1 );
    sha512_hmac_update( &ctx, src_str, 0 );
    sha512_hmac_update( &ctx, src_str, src_len / 2 );
    sha512_hmac_update( &ctx, src_str + src_len / 2, src_len - src_len / 2 );
    sha512_hmac_update( &ctx, src_str + src_len, 0 );
    sha512_hmac_finish( &ctx, output );

    hexify( hash_str, output, sizeof  output );
    TEST_ASSERT( strncmp( (char *) hash_str, hex_hash_string, trunc_size * 2 ) == 0 );

    /* Again, to test hmac_reset() */
    memset( hash_str, 0x00, sizeof hash_str );
    memset( output, 0x00, sizeof output );

    sha512_hmac_reset( &ctx );
    sha512_hmac_update( &ctx, src_str, src_len / 2 );
    sha512_hmac_update( &ctx, src_str + src_len / 2, src_len - src_len / 2 );
    sha512_hmac_finish( &ctx, output );

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

/* BEGIN_CASE depends_on:POLARSSL_SHA512_C */
void sha512_hmac( int trunc_size, char *hex_key_string, char *hex_src_string,
                  char *hex_hash_string)
{
    unsigned char src_str[10000];
    unsigned char key_str[10000];
    unsigned char hash_str[129];
    unsigned char output[64];
    int key_len, src_len;
    sha512_context ctx;

    memset(src_str, 0x00, sizeof src_str);
    memset(key_str, 0x00, sizeof key_str);

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

    /* Test the all-in-one interface */
    memset(hash_str, 0x00, sizeof hash_str);
    memset(output, 0x00, sizeof output);

    sha512_hmac( key_str, key_len, src_str, src_len, output, 0 );

    hexify( hash_str, output, sizeof output );
    TEST_ASSERT( strncmp( (char *) hash_str, hex_hash_string, trunc_size * 2 ) == 0 );

    /* Also test the "streaming" interface */
    memset( hash_str, 0x00, sizeof hash_str );
    memset( output, 0x00, sizeof output );
    memset( &ctx, 0x00, sizeof ctx );

    sha512_hmac_starts( &ctx, key_str, key_len, 0 );
    sha512_hmac_update( &ctx, src_str, 0 );
    sha512_hmac_update( &ctx, src_str, src_len / 2 );
    sha512_hmac_update( &ctx, src_str + src_len / 2, src_len - src_len / 2 );
    sha512_hmac_update( &ctx, src_str + src_len, 0 );
    sha512_hmac_finish( &ctx, output );

    hexify( hash_str, output, sizeof  output );
    TEST_ASSERT( strncmp( (char *) hash_str, hex_hash_string, trunc_size * 2 ) == 0 );

    /* Again, to test hmac_reset() */
    memset( hash_str, 0x00, sizeof hash_str );
    memset( output, 0x00, sizeof output );

    sha512_hmac_reset( &ctx );
    sha512_hmac_update( &ctx, src_str, src_len / 2 );
    sha512_hmac_update( &ctx, src_str + src_len / 2, src_len - src_len / 2 );
    sha512_hmac_finish( &ctx, output );

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