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snow-3g.c: Mark all internal primitive functions as static 

We don't need to pollute the public namespace

Change-Id: I55347320383b173d1aca622997e7cfb98cd9caff
This commit is contained in:
Harald Welte 2019-07-12 18:26:35 +08:00 committed by laforge
parent 051fd8611c
commit 135af53c48
1 changed files with 13 additions and 13 deletions
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26
mme/snow-3g.c
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@ -78,7 +78,7 @@ static const u8 SQ[256] = {
* See section 3.1.1 for details.
*/
u8 MULx(u8 V, u8 c)
static u8 MULx(u8 V, u8 c)
{
if ( V & 0x80 )
return ( (V << 1) ^ c);
@ -94,7 +94,7 @@ u8 MULx(u8 V, u8 c)
* See section 3.1.2 for details.
*/
u8 MULxPOW(u8 V, u8 i, u8 c)
static u8 MULxPOW(u8 V, u8 i, u8 c)
{
if ( i == 0)
return V;
@ -108,7 +108,7 @@ u8 MULxPOW(u8 V, u8 i, u8 c)
* See section 3.4.2 for details.
*/
u32 MULalpha(u8 c)
static u32 MULalpha(u8 c)
{
return ( ( ((u32)MULxPOW(c, 23, 0xa9)) << 24 ) |
( ((u32)MULxPOW(c, 245, 0xa9)) << 16 ) |
@ -122,7 +122,7 @@ u32 MULalpha(u8 c)
* See section 3.4.3 for details.
*/
u32 DIValpha(u8 c)
static u32 DIValpha(u8 c)
{
return ( ( ((u32)MULxPOW(c, 16, 0xa9)) << 24 ) |
( ((u32)MULxPOW(c, 39, 0xa9)) << 16 ) |
@ -136,7 +136,7 @@ u32 DIValpha(u8 c)
* See section 3.3.1.
*/
u32 S1(u32 w)
static u32 S1(u32 w)
{
u8 r0=0, r1=0, r2=0, r3=0;
u8 srw0 = SR[ (u8)((w >> 24) & 0xff) ];
@ -174,7 +174,7 @@ u32 S1(u32 w)
* See section 3.3.2.
*/
u32 S2(u32 w)
static u32 S2(u32 w)
{
u8 r0=0, r1=0, r2=0, r3=0;
u8 sqw0 = SQ[ (u8)((w >> 24) & 0xff) ];
@ -211,7 +211,7 @@ u32 S2(u32 w)
* See section 3.4.4.
*/
void ClockLFSRInitializationMode(u32 F)
static void ClockLFSRInitializationMode(u32 F)
{
u32 v = ( ( (LFSR_S0 << 8) & 0xffffff00 ) ^
( MULalpha( (u8)((LFSR_S0>>24) & 0xff) ) ) ^
@ -243,7 +243,7 @@ void ClockLFSRInitializationMode(u32 F)
* See section 3.4.5.
*/
void ClockLFSRKeyStreamMode()
static void ClockLFSRKeyStreamMode()
{
u32 v = ( ( (LFSR_S0 << 8) & 0xffffff00 ) ^
( MULalpha( (u8)((LFSR_S0>>24) & 0xff) ) ) ^
@ -275,7 +275,7 @@ void ClockLFSRKeyStreamMode()
* See Section 3.4.6.
*/
u32 ClockFSM()
static u32 ClockFSM()
{
u32 F = ( ( LFSR_S15 + FSM_R1 ) & 0xffffffff ) ^ FSM_R2 ;
u32 r = ( FSM_R2 + ( FSM_R3 ^ LFSR_S5 ) ) & 0xffffffff ;
@ -433,7 +433,7 @@ void snow_3g_f8(u8 *key, u32 count, u32 bearer, u32 dir, u8 *data, u32 length)
* function.
* See section 4.3.2 for details.
*/
u64 MUL64x(u64 V, u64 c)
static u64 MUL64x(u64 V, u64 c)
{
if ( V & 0x8000000000000000 )
return (V << 1) ^ c;
@ -449,7 +449,7 @@ u64 MUL64x(u64 V, u64 c)
* A 64-bit memory is allocated which is to be freed by the calling function.
* See section 4.3.3 for details.
*/
u64 MUL64xPOW(u64 V, u8 i, u64 c)
static u64 MUL64xPOW(u64 V, u8 i, u64 c)
{
if ( i == 0)
return V;
@ -466,7 +466,7 @@ u64 MUL64xPOW(u64 V, u8 i, u64 c)
* function.
* See section 4.3.4 for details.
*/
u64 MUL64(u64 V, u64 P, u64 c)
static u64 MUL64(u64 V, u64 P, u64 c)
{
u64 result = 0;
int i = 0;
@ -484,7 +484,7 @@ u64 MUL64(u64 V, u64 P, u64 c)
* Output : an 8 bit mask.
* Prepares an 8 bit mask with required number of 1 bits on the MSB side.
*/
u8 mask8bit(int n)
static u8 mask8bit(int n)
{
return 0xFF ^ ((1<<(8-n)) - 1);
}