mirror of
https://github.com/yuzu-emu/mbedtls.git
synced 2024-11-27 03:04:17 +01:00
113 lines
3.5 KiB
Plaintext
113 lines
3.5 KiB
Plaintext
/* BEGIN_HEADER */
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#include <polarssl/gcm.h>
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/* END_HEADER */
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/* BEGIN_DEPENDENCIES
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* depends_on:POLARSSL_GCM_C
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* END_DEPENDENCIES
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*/
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/* BEGIN_CASE */
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void gcm_encrypt_and_tag( char *hex_key_string, char *hex_src_string,
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char *hex_iv_string, char *hex_add_string,
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char *hex_dst_string, int tag_len_bits,
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char *hex_tag_string, int init_result )
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{
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unsigned char key_str[128];
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unsigned char src_str[128];
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unsigned char dst_str[257];
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unsigned char iv_str[128];
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unsigned char add_str[128];
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unsigned char tag_str[128];
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unsigned char output[128];
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unsigned char tag_output[16];
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gcm_context ctx;
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unsigned int key_len;
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size_t pt_len, iv_len, add_len, tag_len = tag_len_bits / 8;
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memset(key_str, 0x00, 128);
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memset(src_str, 0x00, 128);
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memset(dst_str, 0x00, 257);
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memset(iv_str, 0x00, 128);
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memset(add_str, 0x00, 128);
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memset(tag_str, 0x00, 128);
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memset(output, 0x00, 128);
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memset(tag_output, 0x00, 16);
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key_len = unhexify( key_str, hex_key_string );
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pt_len = unhexify( src_str, hex_src_string );
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iv_len = unhexify( iv_str, hex_iv_string );
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add_len = unhexify( add_str, hex_add_string );
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TEST_ASSERT( gcm_init( &ctx, key_str, key_len * 8 ) == init_result );
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if( init_result == 0 )
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{
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TEST_ASSERT( gcm_crypt_and_tag( &ctx, GCM_ENCRYPT, pt_len, iv_str, iv_len, add_str, add_len, src_str, output, tag_len, tag_output ) == 0 );
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hexify( dst_str, output, pt_len );
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hexify( tag_str, tag_output, tag_len );
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TEST_ASSERT( strcmp( (char *) dst_str, hex_dst_string ) == 0 );
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TEST_ASSERT( strcmp( (char *) tag_str, hex_tag_string ) == 0 );
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}
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}
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/* END_CASE */
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/* BEGIN_CASE */
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void gcm_decrypt_and_verify( char *hex_key_string, char *hex_src_string,
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char *hex_iv_string, char *hex_add_string,
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int tag_len_bits, char *hex_tag_string,
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char *pt_result, int init_result )
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{
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unsigned char key_str[128];
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unsigned char src_str[128];
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unsigned char dst_str[257];
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unsigned char iv_str[128];
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unsigned char add_str[128];
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unsigned char tag_str[128];
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unsigned char output[128];
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gcm_context ctx;
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unsigned int key_len;
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size_t pt_len, iv_len, add_len, tag_len = tag_len_bits / 8;
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int ret;
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memset(key_str, 0x00, 128);
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memset(src_str, 0x00, 128);
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memset(dst_str, 0x00, 257);
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memset(iv_str, 0x00, 128);
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memset(add_str, 0x00, 128);
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memset(tag_str, 0x00, 128);
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memset(output, 0x00, 128);
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key_len = unhexify( key_str, hex_key_string );
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pt_len = unhexify( src_str, hex_src_string );
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iv_len = unhexify( iv_str, hex_iv_string );
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add_len = unhexify( add_str, hex_add_string );
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unhexify( tag_str, hex_tag_string );
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TEST_ASSERT( gcm_init( &ctx, key_str, key_len * 8 ) == init_result );
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if( init_result == 0 )
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{
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ret = gcm_auth_decrypt( &ctx, pt_len, iv_str, iv_len, add_str, add_len, tag_str, tag_len, src_str, output );
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if( strcmp( "FAIL", pt_result ) == 0 )
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{
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TEST_ASSERT( ret == POLARSSL_ERR_GCM_AUTH_FAILED );
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}
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else
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{
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TEST_ASSERT( ret == 0 );
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hexify( dst_str, output, pt_len );
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TEST_ASSERT( strcmp( (char *) dst_str, pt_result ) == 0 );
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}
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}
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}
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/* END_CASE */
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/* BEGIN_CASE */
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void gcm_selftest()
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{
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TEST_ASSERT( gcm_self_test( 0 ) == 0 );
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}
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/* END_CASE */
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