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mbedtls: just format related files

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method from !46
This commit is contained in:
Wu Jian Gang
2016-09-02 11:31:38 +08:00
parent f4ff32977d
commit fc2bfc1f49
13 changed files with 574 additions and 548 deletions
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347
components/esp32/aes.c
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@@ -39,100 +39,112 @@ void esp_aes_init( AES_CTX *ctx )
AES_LOCK();
AES_TAKE();
ets_aes_enable();
AES_UNLOCK();
ets_aes_enable();
AES_UNLOCK();
}
void esp_aes_free( AES_CTX *ctx )
{
if( ctx == NULL )
if ( ctx == NULL ) {
return;
}
bzero( ctx, sizeof( AES_CTX ) );
AES_LOCK();
AES_GIVE();
if (false == AES_IS_USED())
ets_aes_disable();
AES_UNLOCK();
if (false == AES_IS_USED()) {
ets_aes_disable();
}
AES_UNLOCK();
}
/*
* AES key schedule (encryption)
*/
int esp_aes_setkey_enc( AES_CTX *ctx, const unsigned char *key,
unsigned int keybits )
unsigned int keybits )
{
enum AES_BITS keybit;
uint16_t keybyte = keybits / 8;
switch (keybits){
case 128:
keybit = AES128;
break;
case 192:
keybit = AES192;
break;
case 256:
keybit = AES256;
break;
default : return( ERR_AES_INVALID_KEY_LENGTH );
}
if (ctx->enc.keyflag == false){
ctx->enc.keyflag = true;
ctx->enc.keybits = keybits;
memset(ctx->enc.key, 0, sizeof(ctx->enc.key));
memcpy(ctx->enc.key, key, keybyte);
} else {
ets_aes_setkey_enc(key, keybit);
}
return 0;
enum AES_BITS keybit;
uint16_t keybyte = keybits / 8;
switch (keybits) {
case 128:
keybit = AES128;
break;
case 192:
keybit = AES192;
break;
case 256:
keybit = AES256;
break;
default:
return ( ERR_AES_INVALID_KEY_LENGTH );
}
if (ctx->enc.keyflag == false) {
ctx->enc.keyflag = true;
ctx->enc.keybits = keybits;
memset(ctx->enc.key, 0, sizeof(ctx->enc.key));
memcpy(ctx->enc.key, key, keybyte);
} else {
ets_aes_setkey_enc(key, keybit);
}
return 0;
}
/*
* AES key schedule (decryption)
*/
int esp_aes_setkey_dec( AES_CTX *ctx, const unsigned char *key,
unsigned int keybits )
unsigned int keybits )
{
enum AES_BITS keybit;
uint16_t keybyte = keybits / 8;
switch (keybits){
case 128:
keybit = AES128;
break;
case 192:
keybit = AES192;
break;
case 256:
keybit = AES256;
break;
default : return( ERR_AES_INVALID_KEY_LENGTH );
}
if (ctx->dec.keyflag == false){
ctx->dec.keyflag = true;
ctx->dec.keybits = keybits;
memset(ctx->dec.key, 0, sizeof(ctx->dec.key));
memcpy(ctx->dec.key, key, keybyte);
} else {
ets_aes_setkey_dec(key, keybit);
}
return 0;
enum AES_BITS keybit;
uint16_t keybyte = keybits / 8;
switch (keybits) {
case 128:
keybit = AES128;
break;
case 192:
keybit = AES192;
break;
case 256:
keybit = AES256;
break;
default:
return ( ERR_AES_INVALID_KEY_LENGTH );
}
if (ctx->dec.keyflag == false) {
ctx->dec.keyflag = true;
ctx->dec.keybits = keybits;
memset(ctx->dec.key, 0, sizeof(ctx->dec.key));
memcpy(ctx->dec.key, key, keybyte);
} else {
ets_aes_setkey_dec(key, keybit);
}
return 0;
}
static void esp_aes_process_enable(AES_CTX *ctx, int mode)
{
if( mode == AES_ENCRYPT ){
esp_aes_setkey_enc(ctx, ctx->enc.key, ctx->enc.keybits);
}else{
esp_aes_setkey_dec(ctx, ctx->dec.key, ctx->dec.keybits);
}
return;
if ( mode == AES_ENCRYPT ) {
esp_aes_setkey_enc(ctx, ctx->enc.key, ctx->enc.keybits);
} else {
esp_aes_setkey_dec(ctx, ctx->dec.key, ctx->dec.keybits);
}
return;
}
static void esp_aes_process_disable(AES_CTX *ctx, int mode)
{
}
/*
@@ -140,11 +152,12 @@ static void esp_aes_process_disable(AES_CTX *ctx, int mode)
*/
void esp_aes_encrypt( AES_CTX *ctx,
const unsigned char input[16],
unsigned char output[16] )
const unsigned char input[16],
unsigned char output[16] )
{
ets_aes_crypt(input, output);
return ;
ets_aes_crypt(input, output);
return ;
}
@@ -153,11 +166,12 @@ void esp_aes_encrypt( AES_CTX *ctx,
*/
void esp_aes_decrypt( AES_CTX *ctx,
const unsigned char input[16],
unsigned char output[16] )
const unsigned char input[16],
unsigned char output[16] )
{
ets_aes_crypt(input, output);
return ;
ets_aes_crypt(input, output);
return ;
}
@@ -165,24 +179,25 @@ void esp_aes_decrypt( AES_CTX *ctx,
* AES-ECB block encryption/decryption
*/
int esp_aes_crypt_ecb( AES_CTX *ctx,
int mode,
const unsigned char input[16],
unsigned char output[16] )
int mode,
const unsigned char input[16],
unsigned char output[16] )
{
AES_LOCK();
esp_aes_process_enable(ctx, mode);
AES_LOCK();
if( mode == AES_ENCRYPT )
esp_aes_process_enable(ctx, mode);
if ( mode == AES_ENCRYPT ) {
esp_aes_encrypt( ctx, input, output );
else
} else {
esp_aes_decrypt( ctx, input, output );
}
esp_aes_process_disable(ctx, mode);
AES_UNLOCK();
return 0;
esp_aes_process_disable(ctx, mode);
AES_UNLOCK();
return 0;
}
@@ -190,27 +205,27 @@ int esp_aes_crypt_ecb( AES_CTX *ctx,
* AES-CBC buffer encryption/decryption
*/
int esp_aes_crypt_cbc( AES_CTX *ctx,
int mode,
size_t length,
unsigned char iv[16],
const unsigned char *input,
unsigned char *output )
int mode,
size_t length,
unsigned char iv[16],
const unsigned char *input,
unsigned char *output )
{
int i;
int i;
unsigned char temp[16];
if( length % 16 )
return( ERR_AES_INVALID_INPUT_LENGTH );
if ( length % 16 ) {
return ( ERR_AES_INVALID_INPUT_LENGTH );
}
if( mode == AES_DECRYPT )
{
while( length > 0 )
{
if ( mode == AES_DECRYPT ) {
while ( length > 0 ) {
memcpy( temp, input, 16 );
esp_aes_crypt_ecb( ctx, mode, input, output );
for( i = 0; i < 16; i++ )
for ( i = 0; i < 16; i++ ) {
output[i] = (unsigned char)( output[i] ^ iv[i] );
}
memcpy( iv, temp, 16 );
@@ -218,13 +233,11 @@ int esp_aes_crypt_cbc( AES_CTX *ctx,
output += 16;
length -= 16;
}
}
else
{
while( length > 0 )
{
for( i = 0; i < 16; i++ )
} else {
while ( length > 0 ) {
for ( i = 0; i < 16; i++ ) {
output[i] = (unsigned char)( input[i] ^ iv[i] );
}
esp_aes_crypt_ecb( ctx, mode, output, output );
memcpy( iv, output, 16 );
@@ -235,85 +248,83 @@ int esp_aes_crypt_cbc( AES_CTX *ctx,
}
}
return 0;
return 0;
}
/*
* AES-CFB128 buffer encryption/decryption
*/
int esp_aes_crypt_cfb128( AES_CTX *ctx,
int mode,
size_t length,
size_t *iv_off,
unsigned char iv[16],
const unsigned char *input,
unsigned char *output )
int mode,
size_t length,
size_t *iv_off,
unsigned char iv[16],
const unsigned char *input,
unsigned char *output )
{
int c;
size_t n = *iv_off;
int c;
size_t n = *iv_off;
if( mode == AES_DECRYPT )
{
while( length-- )
{
if( n == 0 )
esp_aes_crypt_ecb( ctx, AES_ENCRYPT, iv, iv );
if ( mode == AES_DECRYPT ) {
while ( length-- ) {
if ( n == 0 ) {
esp_aes_crypt_ecb( ctx, AES_ENCRYPT, iv, iv );
}
c = *input++;
*output++ = (unsigned char)( c ^ iv[n] );
iv[n] = (unsigned char) c;
n = ( n + 1 ) & 0x0F;
}
}
else
{
while( length-- )
{
if( n == 0 )
esp_aes_crypt_ecb( ctx, AES_ENCRYPT, iv, iv );
iv[n] = *output++ = (unsigned char)( iv[n] ^ *input++ );
n = ( n + 1 ) & 0x0F;
}
}
*iv_off = n;
c = *input++;
*output++ = (unsigned char)( c ^ iv[n] );
iv[n] = (unsigned char) c;
return 0;
n = ( n + 1 ) & 0x0F;
}
} else {
while ( length-- ) {
if ( n == 0 ) {
esp_aes_crypt_ecb( ctx, AES_ENCRYPT, iv, iv );
}
iv[n] = *output++ = (unsigned char)( iv[n] ^ *input++ );
n = ( n + 1 ) & 0x0F;
}
}
*iv_off = n;
return 0;
}
/*
* AES-CFB8 buffer encryption/decryption
*/
int esp_aes_crypt_cfb8( AES_CTX *ctx,
int mode,
size_t length,
unsigned char iv[16],
const unsigned char *input,
unsigned char *output )
int mode,
size_t length,
unsigned char iv[16],
const unsigned char *input,
unsigned char *output )
{
unsigned char c;
unsigned char ov[17];
unsigned char c;
unsigned char ov[17];
while( length-- )
{
memcpy( ov, iv, 16 );
esp_aes_crypt_ecb( ctx, AES_ENCRYPT, iv, iv );
if( mode == AES_DECRYPT )
ov[16] = *input;
c = *output++ = (unsigned char)( iv[0] ^ *input++ );
while ( length-- ) {
memcpy( ov, iv, 16 );
esp_aes_crypt_ecb( ctx, AES_ENCRYPT, iv, iv );
if( mode == AES_ENCRYPT )
ov[16] = c;
memcpy( iv, ov + 1, 16 );
}
if ( mode == AES_DECRYPT ) {
ov[16] = *input;
}
return 0;
c = *output++ = (unsigned char)( iv[0] ^ *input++ );
if ( mode == AES_ENCRYPT ) {
ov[16] = c;
}
memcpy( iv, ov + 1, 16 );
}
return 0;
}
/*
@@ -326,18 +337,18 @@ int esp_aes_crypt_ctr( AES_CTX *ctx,
unsigned char stream_block[16],
const unsigned char *input,
unsigned char *output )
{
int c, i;
{
int c, i;
size_t n = *nc_off;
while( length-- )
{
if( n == 0 ) {
while ( length-- ) {
if ( n == 0 ) {
esp_aes_crypt_ecb( ctx, AES_ENCRYPT, nonce_counter, stream_block );
for( i = 16; i > 0; i-- )
if( ++nonce_counter[i - 1] != 0 )
for ( i = 16; i > 0; i-- )
if ( ++nonce_counter[i - 1] != 0 ) {
break;
}
}
c = *input++;
*output++ = (unsigned char)( c ^ stream_block[n] );
@@ -347,6 +358,6 @@ int esp_aes_crypt_ctr( AES_CTX *ctx,
*nc_off = n;
return 0;
return 0;
}