diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/ks7010/michael_mic.c | 43 |
1 files changed, 21 insertions, 22 deletions
diff --git a/drivers/staging/ks7010/michael_mic.c b/drivers/staging/ks7010/michael_mic.c index ec8769a..adb17df 100644 --- a/drivers/staging/ks7010/michael_mic.c +++ b/drivers/staging/ks7010/michael_mic.c @@ -34,11 +34,11 @@ A->nBytesInM = 0; static -void MichaelInitializeFunction( struct michel_mic_t *Mic, uint8_t *key ) +void MichaelInitializeFunction(struct michel_mic_t *Mic, uint8_t * key) { // Set the key - Mic->K0 = getUInt32( key , 0 ); - Mic->K1 = getUInt32( key , 4 ); + Mic->K0 = getUInt32(key, 0); + Mic->K1 = getUInt32(key, 4); //clear(); MichaelClear(Mic); @@ -56,11 +56,10 @@ do{ \ L += R; \ }while(0) - static -void MichaelAppend( struct michel_mic_t *Mic, uint8_t *src, int nBytes ) +void MichaelAppend(struct michel_mic_t *Mic, uint8_t * src, int nBytes) { - int addlen ; + int addlen; if (Mic->nBytesInM) { addlen = 4 - Mic->nBytesInM; if (addlen > nBytes) @@ -73,13 +72,13 @@ void MichaelAppend( struct michel_mic_t *Mic, uint8_t *src, int nBytes ) if (Mic->nBytesInM < 4) return; - Mic->L ^= getUInt32(Mic->M,0); + Mic->L ^= getUInt32(Mic->M, 0); MichaelBlockFunction(Mic->L, Mic->R); Mic->nBytesInM = 0; } - while(nBytes >= 4){ - Mic->L ^= getUInt32(src,0); + while (nBytes >= 4) { + Mic->L ^= getUInt32(src, 0); MichaelBlockFunction(Mic->L, Mic->R); src += 4; nBytes -= 4; @@ -92,7 +91,7 @@ void MichaelAppend( struct michel_mic_t *Mic, uint8_t *src, int nBytes ) } static -void MichaelGetMIC( struct michel_mic_t *Mic, uint8_t *dst ) +void MichaelGetMIC(struct michel_mic_t *Mic, uint8_t * dst) { uint8_t *data = Mic->M; switch (Mic->nBytesInM) { @@ -107,24 +106,24 @@ void MichaelGetMIC( struct michel_mic_t *Mic, uint8_t *dst ) break; case 3: Mic->L ^= data[0] | (data[1] << 8) | (data[2] << 16) | - 0x5a000000; + 0x5a000000; break; } MichaelBlockFunction(Mic->L, Mic->R); MichaelBlockFunction(Mic->L, Mic->R); // The appendByte function has already computed the result. - putUInt32( dst, 0, Mic->L ); - putUInt32( dst, 4, Mic->R ); + putUInt32(dst, 0, Mic->L); + putUInt32(dst, 4, Mic->R); // Reset to the empty message. MichaelClear(Mic); } -void MichaelMICFunction( struct michel_mic_t *Mic, uint8_t *Key, - uint8_t *Data, int Len, uint8_t priority, - uint8_t *Result ) +void MichaelMICFunction(struct michel_mic_t *Mic, uint8_t * Key, + uint8_t * Data, int Len, uint8_t priority, + uint8_t * Result) { - uint8_t pad_data[4] = {priority,0,0,0}; + uint8_t pad_data[4] = { priority, 0, 0, 0 }; // Compute the MIC value /* * IEEE802.11i page 47 @@ -135,9 +134,9 @@ void MichaelMICFunction( struct michel_mic_t *Mic, uint8_t *Key, * |DA|SA|Priority|0 |Data|M0|M1|M2|M3|M4|M5|M6|M7| * +--+--+--------+--+----+--+--+--+--+--+--+--+--+ */ - MichaelInitializeFunction( Mic, Key ) ; - MichaelAppend( Mic, (uint8_t*)Data, 12 ); /* |DA|SA| */ - MichaelAppend( Mic, pad_data, 4 ); /* |Priority|0|0|0| */ - MichaelAppend( Mic, (uint8_t*)(Data+12), Len -12 ); /* |Data| */ - MichaelGetMIC( Mic, Result ) ; + MichaelInitializeFunction(Mic, Key); + MichaelAppend(Mic, (uint8_t *) Data, 12); /* |DA|SA| */ + MichaelAppend(Mic, pad_data, 4); /* |Priority|0|0|0| */ + MichaelAppend(Mic, (uint8_t *) (Data + 12), Len - 12); /* |Data| */ + MichaelGetMIC(Mic, Result); } |