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mbedtls: make style
This commit is contained in:
Philippe Teuwen
parent
6324e2e746
commit
b1d6eaf2f7
177 changed files with 37224 additions and 41821 deletions
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@ -60,116 +60,100 @@
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}
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#endif
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void mbedtls_xtea_init( mbedtls_xtea_context *ctx )
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{
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memset( ctx, 0, sizeof( mbedtls_xtea_context ) );
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void mbedtls_xtea_init(mbedtls_xtea_context *ctx) {
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memset(ctx, 0, sizeof(mbedtls_xtea_context));
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}
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void mbedtls_xtea_free( mbedtls_xtea_context *ctx )
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{
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if( ctx == NULL )
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void mbedtls_xtea_free(mbedtls_xtea_context *ctx) {
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if (ctx == NULL)
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return;
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mbedtls_platform_zeroize( ctx, sizeof( mbedtls_xtea_context ) );
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mbedtls_platform_zeroize(ctx, sizeof(mbedtls_xtea_context));
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}
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/*
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* XTEA key schedule
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*/
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void mbedtls_xtea_setup( mbedtls_xtea_context *ctx, const unsigned char key[16] )
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{
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void mbedtls_xtea_setup(mbedtls_xtea_context *ctx, const unsigned char key[16]) {
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int i;
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memset( ctx, 0, sizeof(mbedtls_xtea_context) );
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memset(ctx, 0, sizeof(mbedtls_xtea_context));
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for( i = 0; i < 4; i++ )
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{
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GET_UINT32_BE( ctx->k[i], key, i << 2 );
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for (i = 0; i < 4; i++) {
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GET_UINT32_BE(ctx->k[i], key, i << 2);
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}
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}
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/*
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* XTEA encrypt function
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*/
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int mbedtls_xtea_crypt_ecb( mbedtls_xtea_context *ctx, int mode,
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const unsigned char input[8], unsigned char output[8])
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{
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int mbedtls_xtea_crypt_ecb(mbedtls_xtea_context *ctx, int mode,
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const unsigned char input[8], unsigned char output[8]) {
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uint32_t *k, v0, v1, i;
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k = ctx->k;
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GET_UINT32_BE( v0, input, 0 );
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GET_UINT32_BE( v1, input, 4 );
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GET_UINT32_BE(v0, input, 0);
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GET_UINT32_BE(v1, input, 4);
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if( mode == MBEDTLS_XTEA_ENCRYPT )
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{
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if (mode == MBEDTLS_XTEA_ENCRYPT) {
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uint32_t sum = 0, delta = 0x9E3779B9;
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for( i = 0; i < 32; i++ )
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{
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for (i = 0; i < 32; i++) {
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v0 += (((v1 << 4) ^ (v1 >> 5)) + v1) ^ (sum + k[sum & 3]);
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sum += delta;
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v1 += (((v0 << 4) ^ (v0 >> 5)) + v0) ^ (sum + k[(sum>>11) & 3]);
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v1 += (((v0 << 4) ^ (v0 >> 5)) + v0) ^ (sum + k[(sum >> 11) & 3]);
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}
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}
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else /* MBEDTLS_XTEA_DECRYPT */
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{
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} else { /* MBEDTLS_XTEA_DECRYPT */
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uint32_t delta = 0x9E3779B9, sum = delta * 32;
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for( i = 0; i < 32; i++ )
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{
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v1 -= (((v0 << 4) ^ (v0 >> 5)) + v0) ^ (sum + k[(sum>>11) & 3]);
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for (i = 0; i < 32; i++) {
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v1 -= (((v0 << 4) ^ (v0 >> 5)) + v0) ^ (sum + k[(sum >> 11) & 3]);
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sum -= delta;
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v0 -= (((v1 << 4) ^ (v1 >> 5)) + v1) ^ (sum + k[sum & 3]);
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}
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}
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PUT_UINT32_BE( v0, output, 0 );
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PUT_UINT32_BE( v1, output, 4 );
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PUT_UINT32_BE(v0, output, 0);
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PUT_UINT32_BE(v1, output, 4);
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return( 0 );
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return (0);
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}
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#if defined(MBEDTLS_CIPHER_MODE_CBC)
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/*
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* XTEA-CBC buffer encryption/decryption
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*/
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int mbedtls_xtea_crypt_cbc( mbedtls_xtea_context *ctx, int mode, size_t length,
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unsigned char iv[8], const unsigned char *input,
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unsigned char *output)
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{
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int mbedtls_xtea_crypt_cbc(mbedtls_xtea_context *ctx, int mode, size_t length,
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unsigned char iv[8], const unsigned char *input,
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unsigned char *output) {
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int i;
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unsigned char temp[8];
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if( length % 8 )
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return( MBEDTLS_ERR_XTEA_INVALID_INPUT_LENGTH );
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if (length % 8)
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return (MBEDTLS_ERR_XTEA_INVALID_INPUT_LENGTH);
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if( mode == MBEDTLS_XTEA_DECRYPT )
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{
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while( length > 0 )
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{
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memcpy( temp, input, 8 );
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mbedtls_xtea_crypt_ecb( ctx, mode, input, output );
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if (mode == MBEDTLS_XTEA_DECRYPT) {
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while (length > 0) {
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memcpy(temp, input, 8);
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mbedtls_xtea_crypt_ecb(ctx, mode, input, output);
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for( i = 0; i < 8; i++ )
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output[i] = (unsigned char)( output[i] ^ iv[i] );
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for (i = 0; i < 8; i++)
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output[i] = (unsigned char)(output[i] ^ iv[i]);
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memcpy( iv, temp, 8 );
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memcpy(iv, temp, 8);
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input += 8;
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output += 8;
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length -= 8;
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}
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}
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else
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{
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while( length > 0 )
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{
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for( i = 0; i < 8; i++ )
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output[i] = (unsigned char)( input[i] ^ iv[i] );
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} else {
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while (length > 0) {
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for (i = 0; i < 8; i++)
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output[i] = (unsigned char)(input[i] ^ iv[i]);
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mbedtls_xtea_crypt_ecb( ctx, mode, output, output );
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memcpy( iv, output, 8 );
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mbedtls_xtea_crypt_ecb(ctx, mode, output, output);
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memcpy(iv, output, 8);
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input += 8;
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output += 8;
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@ -177,7 +161,7 @@ int mbedtls_xtea_crypt_cbc( mbedtls_xtea_context *ctx, int mode, size_t length,
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}
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}
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return( 0 );
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return (0);
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}
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#endif /* MBEDTLS_CIPHER_MODE_CBC */
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#endif /* !MBEDTLS_XTEA_ALT */
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@ -188,24 +172,34 @@ int mbedtls_xtea_crypt_cbc( mbedtls_xtea_context *ctx, int mode, size_t length,
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* XTEA tests vectors (non-official)
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*/
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static const unsigned char xtea_test_key[6][16] =
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{
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{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b,
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0x0c, 0x0d, 0x0e, 0x0f },
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{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b,
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0x0c, 0x0d, 0x0e, 0x0f },
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{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b,
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0x0c, 0x0d, 0x0e, 0x0f },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00 },
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00 }
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static const unsigned char xtea_test_key[6][16] = {
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{
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0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b,
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0x0c, 0x0d, 0x0e, 0x0f
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},
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{
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0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b,
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0x0c, 0x0d, 0x0e, 0x0f
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},
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{
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0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b,
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0x0c, 0x0d, 0x0e, 0x0f
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},
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{
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00
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},
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{
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00
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},
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{
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00
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}
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};
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static const unsigned char xtea_test_pt[6][8] =
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{
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static const unsigned char xtea_test_pt[6][8] = {
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{ 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48 },
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{ 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41 },
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{ 0x5a, 0x5b, 0x6e, 0x27, 0x89, 0x48, 0xd7, 0x7f },
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@ -214,8 +208,7 @@ static const unsigned char xtea_test_pt[6][8] =
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{ 0x70, 0xe1, 0x22, 0x5d, 0x6e, 0x4e, 0x76, 0x55 }
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};
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static const unsigned char xtea_test_ct[6][8] =
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{
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static const unsigned char xtea_test_ct[6][8] = {
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{ 0x49, 0x7d, 0xf3, 0xd0, 0x72, 0x61, 0x2c, 0xb5 },
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{ 0xe7, 0x8f, 0x2d, 0x13, 0x74, 0x43, 0x41, 0xd8 },
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{ 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41 },
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@ -227,43 +220,40 @@ static const unsigned char xtea_test_ct[6][8] =
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/*
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* Checkup routine
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*/
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int mbedtls_xtea_self_test( int verbose )
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{
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int mbedtls_xtea_self_test(int verbose) {
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int i, ret = 0;
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unsigned char buf[8];
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mbedtls_xtea_context ctx;
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mbedtls_xtea_init( &ctx );
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for( i = 0; i < 6; i++ )
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{
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if( verbose != 0 )
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mbedtls_printf( " XTEA test #%d: ", i + 1 );
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mbedtls_xtea_init(&ctx);
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for (i = 0; i < 6; i++) {
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if (verbose != 0)
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mbedtls_printf(" XTEA test #%d: ", i + 1);
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memcpy( buf, xtea_test_pt[i], 8 );
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memcpy(buf, xtea_test_pt[i], 8);
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mbedtls_xtea_setup( &ctx, xtea_test_key[i] );
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mbedtls_xtea_crypt_ecb( &ctx, MBEDTLS_XTEA_ENCRYPT, buf, buf );
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mbedtls_xtea_setup(&ctx, xtea_test_key[i]);
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mbedtls_xtea_crypt_ecb(&ctx, MBEDTLS_XTEA_ENCRYPT, buf, buf);
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if( memcmp( buf, xtea_test_ct[i], 8 ) != 0 )
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{
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if( verbose != 0 )
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mbedtls_printf( "failed\n" );
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if (memcmp(buf, xtea_test_ct[i], 8) != 0) {
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if (verbose != 0)
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mbedtls_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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mbedtls_printf( "passed\n" );
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if (verbose != 0)
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mbedtls_printf("passed\n");
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}
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if( verbose != 0 )
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mbedtls_printf( "\n" );
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if (verbose != 0)
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mbedtls_printf("\n");
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exit:
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mbedtls_xtea_free( &ctx );
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mbedtls_xtea_free(&ctx);
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return( ret );
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return (ret);
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}
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#endif /* MBEDTLS_SELF_TEST */
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