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Removed dead code after optimization in tinycrypt

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This commit is contained in:
Teppo Järvelin 2020-01-02 12:06:58 +02:00
parent 8f7e36fc98
commit c2fa3eaa81
1 changed files with 0 additions and 20 deletions
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20
tinycrypt/ecc_dsa.c
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@ -72,10 +72,6 @@ static void bits2int(uECC_word_t *native, const uint8_t *bits,
unsigned bits_size) unsigned bits_size)
{ {
unsigned num_n_bytes = BITS_TO_BYTES(NUM_ECC_BITS); unsigned num_n_bytes = BITS_TO_BYTES(NUM_ECC_BITS);
unsigned num_n_words = BITS_TO_WORDS(NUM_ECC_BITS);
int shift;
uECC_word_t carry;
uECC_word_t *ptr;
if (bits_size > num_n_bytes) { if (bits_size > num_n_bytes) {
bits_size = num_n_bytes; bits_size = num_n_bytes;
@ -83,22 +79,6 @@ static void bits2int(uECC_word_t *native, const uint8_t *bits,
uECC_vli_clear(native); uECC_vli_clear(native);
uECC_vli_bytesToNative(native, bits, bits_size); uECC_vli_bytesToNative(native, bits, bits_size);
if (bits_size * 8 <= (unsigned)NUM_ECC_BITS) {
return;
}
shift = bits_size * 8 - NUM_ECC_BITS;
carry = 0;
ptr = native + num_n_words;
while (ptr-- > native) {
uECC_word_t temp = *ptr;
*ptr = (temp >> shift) | carry;
carry = temp << (uECC_WORD_BITS - shift);
}
/* Reduce mod curve_n */
if (uECC_vli_cmp_unsafe(curve_n, native) != 1) {
uECC_vli_sub(native, native, curve_n);
}
} }
int uECC_sign_with_k(const uint8_t *private_key, const uint8_t *message_hash, int uECC_sign_with_k(const uint8_t *private_key, const uint8_t *message_hash,