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crypto: get rid of compiler warnings

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dev/timer
Oleg Hahm 9 years ago committed by Oleg Hahm
parent 938c61a5a2
commit feca0d73c8
2 changed files with 26 additions and 21 deletions
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14
sys/crypto/rc5.c
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@ -63,7 +63,8 @@ int rc5_encrypt(cipher_context_t *context, uint8_t *block,
{
register uint32_t l;
register uint32_t r;
register uint32_t *s = ((rc5_context_t *) context->context)->skey;
rc5_context_t *rc5_context = (rc5_context_t *) context->context;
register uint32_t *s = rc5_context->skey;
uint8_t i, tmp;
c2l(block, l);
block += 4;
@ -95,8 +96,8 @@ int rc5_decrypt(cipher_context_t *context, uint8_t *cipherBlock,
{
register uint32_t l;
register uint32_t r;
register uint32_t *s = ((rc5_context_t *) context->context)->skey +
(2 * RC5_ROUNDS) + 1;
rc5_context_t *rc5_context = (rc5_context_t *) context->context;
register uint32_t *s = rc5_context->skey + (2 * RC5_ROUNDS) + 1;
uint8_t i, tmp;
c2l(cipherBlock, l);
@ -131,7 +132,8 @@ int rc5_setup_key(cipher_context_t *context, uint8_t *key, uint8_t keysize)
uint8_t ii, jj, m;
int8_t i;
uint8_t tmp[8];
S = ((rc5_context_t *)context->context)->skey;
rc5_context_t *rc5_context = (rc5_context_t *) context->context;
S = rc5_context->skey;
//dumpBuffer ("RC5M:setupKey K", (uint8_t *)key, 8);
c2l(key, l);
@ -154,7 +156,7 @@ int rc5_setup_key(cipher_context_t *context, uint8_t *key, uint8_t keysize)
//dumpBuffer ("RC5M: setupKey S", (uint8_t *)S, 2 * (RC5_ROUNDS +1) * 4);
ii = jj = 0;
A = B = 0;
S = ((rc5_context_t *)context->context)->skey;
S = rc5_context->skey;
for (i = 3 * (2 * RC5_ROUNDS + 2) - 1; i >= 0; i--) {
k = (*S + A + B)&RC5_32_MASK;
@ -168,7 +170,7 @@ int rc5_setup_key(cipher_context_t *context, uint8_t *key, uint8_t keysize)
if (++ii >= 2 * RC5_ROUNDS + 2) {
ii = 0;
S = ((rc5_context_t *)context->context)->skey;
S = rc5_context->skey;
}
jj ^= 4;

33
sys/crypto/skipjack.c
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@ -137,7 +137,8 @@ int skipjack_encrypt(cipher_context_t *context, uint8_t *plainBlock,
// prologue 10 pushs = 20 cycles
/*register*/ uint8_t counter = 1;
/*register*/ uint8_t *skey = ((skipjack_context_t *)context->context)->skey;
skipjack_context_t *skipjack_context = (skipjack_context_t *)context->context;
/*register*/ uint8_t *skey = skipjack_context->skey;
/*register*/ uint16_t w1, w2, w3, w4, tmp;
/*register*/ uint8_t bLeft, bRight;
@ -172,7 +173,7 @@ int skipjack_encrypt(cipher_context_t *context, uint8_t *plainBlock,
RULE_A(skey, w1, w2, w3, w4, counter, tmp, bLeft, bRight);
}
skey = ((skipjack_context_t *)context->context)->skey;
skey = skipjack_context->skey;
while (counter < 9) { // 3x
RULE_A(skey, w1, w2, w3, w4, counter, tmp, bLeft, bRight);
@ -182,13 +183,13 @@ int skipjack_encrypt(cipher_context_t *context, uint8_t *plainBlock,
RULE_B(skey, w1, w2, w3, w4, counter, tmp, bLeft, bRight);
}
skey = ((skipjack_context_t *)context->context)->skey;
skey = skipjack_context->skey;
while (counter < 16) { // 5x
RULE_B(skey, w1, w2, w3, w4, counter, tmp, bLeft, bRight);
}
skey = ((skipjack_context_t *)context->context)->skey;
skey = skipjack_context->skey;
// 1x
RULE_B(skey, w1, w2, w3, w4, counter, tmp, bLeft, bRight);
@ -196,7 +197,7 @@ int skipjack_encrypt(cipher_context_t *context, uint8_t *plainBlock,
RULE_A(skey, w1, w2, w3, w4, counter, tmp, bLeft, bRight);
}
skey = ((skipjack_context_t *)context->context)->skey;
skey = skipjack_context->skey;
while (counter < 25) { // 4x
RULE_A(skey, w1, w2, w3, w4, counter, tmp, bLeft, bRight);
@ -204,13 +205,13 @@ int skipjack_encrypt(cipher_context_t *context, uint8_t *plainBlock,
// 1x
RULE_B(skey, w1, w2, w3, w4, counter, tmp, bLeft, bRight);
skey = ((skipjack_context_t *)context->context)->skey;
skey = skipjack_context->skey;
while (counter < 31) { // 5x
RULE_B(skey, w1, w2, w3, w4, counter, tmp, bLeft, bRight);
}
skey = ((skipjack_context_t *)context->context)->skey;
skey = skipjack_context->skey;
while (counter < 33) { // 2x
RULE_B(skey, w1, w2, w3, w4, counter, tmp, bLeft, bRight);
@ -233,7 +234,8 @@ int skipjack_decrypt(cipher_context_t *context, uint8_t *cipherBlock,
uint8_t *plainBlock)
{
/*register*/ uint8_t counter = 32;
/*register*/ uint8_t *skey = ((skipjack_context_t *)context->context)->skey + 4;
skipjack_context_t *skipjack_context = (skipjack_context_t *)context->context;
/*register*/ uint8_t *skey = skipjack_context->skey + 4;
/*register*/ uint16_t w1, w2, w3, w4, tmp;
/*register*/ uint8_t bLeft, bRight;
@ -267,13 +269,13 @@ int skipjack_decrypt(cipher_context_t *context, uint8_t *cipherBlock,
RULE_B_INV(skey, w1, w2, w3, w4, counter, tmp, bLeft, bRight);
}
skey = ((skipjack_context_t *)context->context)->skey + 16;
skey = skipjack_context->skey + 16;
while (counter > 25) { //5x
RULE_B_INV(skey, w1, w2, w3, w4, counter, tmp, bLeft, bRight);
}
skey = ((skipjack_context_t *)context->context)->skey + 16;
skey = skipjack_context->skey + 16;
//1x
RULE_B_INV(skey, w1, w2, w3, w4, counter, tmp, bLeft, bRight);
@ -281,7 +283,7 @@ int skipjack_decrypt(cipher_context_t *context, uint8_t *cipherBlock,
RULE_A_INV(skey, w1, w2, w3, w4, counter, tmp, bLeft, bRight);
}
skey = ((skipjack_context_t *)context->context)->skey + 16;
skey = skipjack_context->skey + 16;
while (counter > 16) { //4x
RULE_A_INV(skey, w1, w2, w3, w4, counter, tmp, bLeft, bRight);
@ -289,13 +291,13 @@ int skipjack_decrypt(cipher_context_t *context, uint8_t *cipherBlock,
//1x
RULE_B_INV(skey, w1, w2, w3, w4, counter, tmp, bLeft, bRight);
skey = ((skipjack_context_t *)context->context)->skey + 16;
skey = skipjack_context->skey + 16;
while (counter > 10) { //5x
RULE_B_INV(skey, w1, w2, w3, w4, counter, tmp, bLeft, bRight);
}
skey = ((skipjack_context_t *)context->context)->skey + 16;
skey = skipjack_context->skey + 16;
while (counter > 8) { // 2x
RULE_B_INV(skey, w1, w2, w3, w4, counter, tmp, bLeft, bRight);
@ -305,7 +307,7 @@ int skipjack_decrypt(cipher_context_t *context, uint8_t *cipherBlock,
RULE_A_INV(skey, w1, w2, w3, w4, counter, tmp, bLeft, bRight);
}
skey = ((skipjack_context_t *)context->context)->skey + 16;
skey = skipjack_context->skey + 16;
while (counter > 0) { // 5x
RULE_A_INV(skey, w1, w2, w3, w4, counter, tmp, bLeft, bRight);
@ -326,7 +328,8 @@ int skipjack_decrypt(cipher_context_t *context, uint8_t *cipherBlock,
int skipjack_setup_key(cipher_context_t *context, uint8_t *key, uint8_t keysize)
{
int i = 0;
uint8_t *skey = ((skipjack_context_t *)context->context)->skey;
skipjack_context_t *skipjack_context = (skipjack_context_t *)context->context;
uint8_t *skey = skipjack_context->skey;
// for keys which are smaller than 160 bits, concatenate until they reach
// 160 bits in size. Note that key expansion is just concatenation.

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