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Co-authored-by: Piotr Idzik <65706193+vil02@users.noreply.github.com>
This commit is contained in:
Md. Anisul Haque
2023-05-22 14:40:16 +05:30
committed by GitHub
parent 4cf4c9038b
commit 9cc715004a
1 changed files with 2 additions and 2 deletions
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4
hashing/sha256.cpp
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@@ -42,7 +42,7 @@ uint32_t rightRotate(uint32_t n, size_t rotate) {
* @param input The input string to hash
* @return std::string The final hash value
*/
std::string sha256(std::string &input) {
std::string sha256(const std::string &input) {
// Initialize array of hash values with first 32 bits of the fractional
// parts of the square roots of the first 8 primes 2..19
uint32_t hash[8] = {0x6A09E667, 0xBB67AE85, 0x3C6EF372, 0xA54FF53A,
@@ -148,7 +148,7 @@ std::string sha256(std::string &input) {
for (size_t i = 0; i < 8; ++i) {
for (int j = 0; j < 4; ++j) {
uint8_t byte = (hash[i] >> (24 - j * 8)) & 0xFF;
char buf[2];
char buf[3];
sprintf(buf, "%02x", byte);
result += buf;
}