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CHG: some textual change to README.txt

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ADD: a prng.c to collect some different PRNG's i've ran into
ADD: some changes the tea implementation
ADD: a enhanced version - SwapEndian64ex
This commit is contained in:
iceman1001 2015-12-21 19:48:00 +01:00
commit f4d0ffd1b9
8 changed files with 86 additions and 37 deletions
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11
client/util.c
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@ -194,7 +194,7 @@ void num_to_bytebits(uint64_t n, size_t len, uint8_t *dest) {
// hh,gg,ff,ee,dd,cc,bb,aa, pp,oo,nn,mm,ll,kk,jj,ii
// up to 64 bytes or 512 bits
uint8_t *SwapEndian64(const uint8_t *src, const size_t len, const uint8_t blockSize){
static uint8_t buf[64];
uint8_t buf[64];
memset(buf, 0x00, 64);
uint8_t *tmp = buf;
for (uint8_t block=0; block < (uint8_t)(len/blockSize); block++){
@ -205,6 +205,15 @@ uint8_t *SwapEndian64(const uint8_t *src, const size_t len, const uint8_t blockS
return tmp;
}
void SwapEndian64ex(const uint8_t *src, const size_t len, const uint8_t blockSize, uint8_t *dest){
for (uint8_t block=0; block < (uint8_t)(len/blockSize); block++){
for (size_t i = 0; i < blockSize; i++){
dest[i+(blockSize*block)] = src[(blockSize-1-i)+(blockSize*block)];
}
}
}
// -------------------------------------------------------------------------
// string parameters lib
// -------------------------------------------------------------------------