181 lines
4.3 KiB
C
181 lines
4.3 KiB
C
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#include "os_types.h"
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#include <string.h>
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#include "iot_io.h"
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#include "mbedtls/sha256.h"
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#include "sec_sys.h"
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static int sw_sha256 = 0;
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//static unsigned char buf[8196];
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/*
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* 32-bit integer manipulation macros (big endian)
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*/
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#ifndef GET_UINT32_BE
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#define GET_UINT32_BE(n,b,i) \
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do { \
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(n) = ( (uint32_t) (b)[(i) ] << 24 ) \
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| ( (uint32_t) (b)[(i) + 1] << 16 ) \
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| ( (uint32_t) (b)[(i) + 2] << 8 ) \
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| ( (uint32_t) (b)[(i) + 3] ); \
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} while( 0 )
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#endif
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#ifndef PUT_UINT32_BE
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#define PUT_UINT32_BE(n,b,i) \
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do { \
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(b)[(i) ] = (unsigned char) ( (n) >> 24 ); \
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(b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \
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(b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \
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(b)[(i) + 3] = (unsigned char) ( (n) ); \
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} while( 0 )
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#endif
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/*
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* FIPS-180-2 test vectors
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*/
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static const unsigned char sha256_test_buf[3][57] =
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{
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{ "abc" },
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{ "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" },
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{ "" }
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};
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static const int sha256_test_buflen[3] =
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{
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3, 56, 1000
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};
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static const unsigned char sha256_test_sum[3][32] =
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{
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/*
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* SHA-256 test vectors
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*/
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{ 0xBA, 0x78, 0x16, 0xBF, 0x8F, 0x01, 0xCF, 0xEA,
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0x41, 0x41, 0x40, 0xDE, 0x5D, 0xAE, 0x22, 0x23,
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0xB0, 0x03, 0x61, 0xA3, 0x96, 0x17, 0x7A, 0x9C,
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0xB4, 0x10, 0xFF, 0x61, 0xF2, 0x00, 0x15, 0xAD },
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{ 0x24, 0x8D, 0x6A, 0x61, 0xD2, 0x06, 0x38, 0xB8,
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0xE5, 0xC0, 0x26, 0x93, 0x0C, 0x3E, 0x60, 0x39,
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0xA3, 0x3C, 0xE4, 0x59, 0x64, 0xFF, 0x21, 0x67,
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0xF6, 0xEC, 0xED, 0xD4, 0x19, 0xDB, 0x06, 0xC1 },
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{ 0xCD, 0xC7, 0x6E, 0x5C, 0x99, 0x14, 0xFB, 0x92,
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0x81, 0xA1, 0xC7, 0xE2, 0x84, 0xD7, 0x3E, 0x67,
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0xF1, 0x80, 0x9A, 0x48, 0xA4, 0x97, 0x20, 0x0E,
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0x04, 0x6D, 0x39, 0xCC, 0xC7, 0x11, 0x2C, 0xD0 }
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};
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#if 0
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static const unsigned char sha256_padding[64] =
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{
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0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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};
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#endif
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/*
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* Checkup routine
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*/
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int mbedtls_sha256_self_test( int verbose )
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{
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int i, ret = 0;
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unsigned char sha256sum[32];
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mbedtls_sha256_context ctx;
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mbedtls_sha256_init( &ctx );
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for( i = 0; i < 2; i++ )
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{
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if( verbose != 0 )
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iot_printf( " SHA-%d test #%d: ", 256, i + 1 );
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if(sw_sha256){
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mbedtls_sha256_starts( &ctx, 0 );
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mbedtls_sha256_update( &ctx, sha256_test_buf[i],
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sha256_test_buflen[i] );
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mbedtls_sha256_finish( &ctx, sha256sum );
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}else{
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sec_sys_sha256(sha256_test_buf[i], sha256_test_buflen[i], sha256sum);
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}
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if( memcmp( sha256sum, sha256_test_sum[i], 32 ) != 0 )
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{
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if( verbose != 0 )
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iot_printf( "failed\n" );
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ret = 1;
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goto exit;
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}
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if( verbose != 0 )
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iot_printf( "passed\n" );
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}
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if( verbose != 0 )
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iot_printf( "\n" );
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exit:
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mbedtls_sha256_free( &ctx );
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return( ret );
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}
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static unsigned char test_buf_256[] = "This adapter uses AR7010+AR9280 (and presumably also the UB94 reference design for that chipset), which is found on a few other devices. It is, however, not likely that any alternative adapters will be usable with Sony products.";
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int sha256_test( int verbose )
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{
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int i = 0;
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int ret = 0;
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unsigned char sha256sum[2][32];
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mbedtls_sha256_context ctx;
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mbedtls_sha256_init( &ctx );
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if( verbose != 0 )
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iot_printf( " SHA-%d test #%d: ", 256, i + 1 );
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mbedtls_sha256_starts( &ctx, 0 );
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mbedtls_sha256_update( &ctx, test_buf_256, sizeof(test_buf_256) );
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mbedtls_sha256_finish( &ctx, sha256sum[0] );
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sec_sys_sha256(test_buf_256, sizeof(test_buf_256), sha256sum[1]);
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if( memcmp( sha256sum[0], sha256sum[1], 32 ) != 0 )
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{
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if( verbose != 0 )
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iot_printf( "failed\n" );
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ret = 1;
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goto exit;
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}
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if( verbose != 0 )
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iot_printf( "passed\n" );
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if( verbose != 0 )
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iot_printf( "\n" );
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exit:
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mbedtls_sha256_free( &ctx );
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return( ret );
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}
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int sha256_main( )
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{
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mbedtls_sha256_self_test(1);
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sha256_test(1);
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return 0;
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}
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