diff options
Diffstat (limited to 'plugins/MirOTR/libotr-3.2.0/toolkit/aes.c')
| -rw-r--r-- | plugins/MirOTR/libotr-3.2.0/toolkit/aes.c | 60 |
1 files changed, 30 insertions, 30 deletions
diff --git a/plugins/MirOTR/libotr-3.2.0/toolkit/aes.c b/plugins/MirOTR/libotr-3.2.0/toolkit/aes.c index 24b9b56084..44bb67597f 100644 --- a/plugins/MirOTR/libotr-3.2.0/toolkit/aes.c +++ b/plugins/MirOTR/libotr-3.2.0/toolkit/aes.c @@ -74,7 +74,7 @@ void aes_gen_tables( void ) /* compute pow and log tables over GF(2^8) */ - for( i = 0, x = 1; i < 256; i++, x ^= XTIME( x ) ) + for ( i = 0, x = 1; i < 256; i++, x ^= XTIME( x ) ) { pow[i] = x; log[x] = i; @@ -82,7 +82,7 @@ void aes_gen_tables( void ) /* calculate the round constants */ - for( i = 0, x = 1; i < 10; i++, x = XTIME( x ) ) + for ( i = 0, x = 1; i < 10; i++, x = XTIME( x ) ) { RCON[i] = (uint32) x << 24; } @@ -92,7 +92,7 @@ void aes_gen_tables( void ) FSb[0x00] = 0x63; RSb[0x63] = 0x00; - for( i = 1; i < 256; i++ ) + for ( i = 1; i < 256; i++ ) { x = pow[255 - log[i]]; @@ -108,7 +108,7 @@ void aes_gen_tables( void ) /* generate the forward and reverse tables */ - for( i = 0; i < 256; i++ ) + for ( i = 0; i < 256; i++ ) { x = (unsigned char) FSb[i]; y = XTIME( x ); @@ -441,7 +441,7 @@ int aes_set_key( aes_context *ctx, uint8 *key, int nbits ) int i; uint32 *RK, *SK; - if( do_init ) + if ( do_init ) { aes_gen_tables(); @@ -458,7 +458,7 @@ int aes_set_key( aes_context *ctx, uint8 *key, int nbits ) RK = ctx->erk; - for( i = 0; i < (nbits >> 5); i++ ) + for ( i = 0; i < (nbits >> 5); i++ ) { GET_UINT32( RK[i], key, i * 4 ); } @@ -469,7 +469,7 @@ int aes_set_key( aes_context *ctx, uint8 *key, int nbits ) { case 128: - for( i = 0; i < 10; i++, RK += 4 ) + for ( i = 0; i < 10; i++, RK += 4 ) { RK[4] = RK[0] ^ RCON[i] ^ ( FSb[ (uint8) ( RK[3] >> 16 ) ] << 24 ) ^ @@ -485,7 +485,7 @@ int aes_set_key( aes_context *ctx, uint8 *key, int nbits ) case 192: - for( i = 0; i < 8; i++, RK += 6 ) + for ( i = 0; i < 8; i++, RK += 6 ) { RK[6] = RK[0] ^ RCON[i] ^ ( FSb[ (uint8) ( RK[5] >> 16 ) ] << 24 ) ^ @@ -503,7 +503,7 @@ int aes_set_key( aes_context *ctx, uint8 *key, int nbits ) case 256: - for( i = 0; i < 7; i++, RK += 8 ) + for ( i = 0; i < 7; i++, RK += 8 ) { RK[8] = RK[0] ^ RCON[i] ^ ( FSb[ (uint8) ( RK[7] >> 16 ) ] << 24 ) ^ @@ -530,9 +530,9 @@ int aes_set_key( aes_context *ctx, uint8 *key, int nbits ) /* setup decryption round keys */ - if( KT_init ) + if ( KT_init ) { - for( i = 0; i < 256; i++ ) + for ( i = 0; i < 256; i++ ) { KT0[i] = RT0[ FSb[i] ]; KT1[i] = RT1[ FSb[i] ]; @@ -550,7 +550,7 @@ int aes_set_key( aes_context *ctx, uint8 *key, int nbits ) *SK++ = *RK++; *SK++ = *RK++; - for( i = 1; i < ctx->nr; i++ ) + for ( i = 1; i < ctx->nr; i++ ) { RK -= 8; @@ -633,13 +633,13 @@ void aes_encrypt( aes_context *ctx, uint8 input[16], uint8 output[16] ) AES_FROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 8 */ AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 9 */ - if( ctx->nr > 10 ) + if ( ctx->nr > 10 ) { AES_FROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 10 */ AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 11 */ } - if( ctx->nr > 12 ) + if ( ctx->nr > 12 ) { AES_FROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 12 */ AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 13 */ @@ -723,13 +723,13 @@ void aes_decrypt( aes_context *ctx, uint8 input[16], uint8 output[16] ) AES_RROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 8 */ AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 9 */ - if( ctx->nr > 10 ) + if ( ctx->nr > 10 ) { AES_RROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 10 */ AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 11 */ } - if( ctx->nr > 12 ) + if ( ctx->nr > 12 ) { AES_RROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 12 */ AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 13 */ @@ -802,14 +802,14 @@ int main( void ) unsigned char buf[16]; unsigned char key[32]; - for( m = 0; m < 2; m++ ) + for ( m = 0; m < 2; m++ ) { printf( "\n Rijndael Monte Carlo Test (ECB mode) - " ); - if( m == 0 ) printf( "encryption\n\n" ); - if( m == 1 ) printf( "decryption\n\n" ); + if ( m == 0 ) printf( "encryption\n\n" ); + if ( m == 1 ) printf( "decryption\n\n" ); - for( n = 0; n < 3; n++ ) + for ( n = 0; n < 3; n++ ) { printf( " Test %d, key size = %3d bits: ", n + 1, 128 + n * 64 ); @@ -819,34 +819,34 @@ int main( void ) memset( buf, 0, 16 ); memset( key, 0, 16 + n * 8 ); - for( i = 0; i < 400; i++ ) + for ( i = 0; i < 400; i++ ) { aes_set_key( &ctx, key, 128 + n * 64 ); - for( j = 0; j < 9999; j++ ) + for ( j = 0; j < 9999; j++ ) { - if( m == 0 ) aes_encrypt( &ctx, buf, buf ); - if( m == 1 ) aes_decrypt( &ctx, buf, buf ); + if ( m == 0 ) aes_encrypt( &ctx, buf, buf ); + if ( m == 1 ) aes_decrypt( &ctx, buf, buf ); } - if( n > 0 ) + if ( n > 0 ) { - for( j = 0; j < (n << 3); j++ ) + for ( j = 0; j < (n << 3); j++ ) { key[j] ^= buf[j + 16 - (n << 3)]; } } - if( m == 0 ) aes_encrypt( &ctx, buf, buf ); - if( m == 1 ) aes_decrypt( &ctx, buf, buf ); + if ( m == 0 ) aes_encrypt( &ctx, buf, buf ); + if ( m == 1 ) aes_decrypt( &ctx, buf, buf ); - for( j = 0; j < 16; j++ ) + for ( j = 0; j < 16; j++ ) { key[j + (n << 3)] ^= buf[j]; } } - if( ( m == 0 && memcmp( buf, AES_enc_test[n], 16 ) != 0 ) || + if ( ( m == 0 && memcmp( buf, AES_enc_test[n], 16 ) != 0 ) || ( m == 1 && memcmp( buf, AES_dec_test[n], 16 ) != 0 ) ) { printf( "failed!\n" ); |