40 lines
1.3 KiB
C++
40 lines
1.3 KiB
C++
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#include "SecureHashAlgorithm.h"
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#include "mbedtls/sha256.h"
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#include <iomanip>
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#include <sstream>
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class SecureHashAlgorithmPrivate {
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public:
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mbedtls_sha256_context context;
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};
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SecureHashAlgorithm::SecureHashAlgorithm() : m_d(new SecureHashAlgorithmPrivate()) {
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mbedtls_sha256_init(&m_d->context);
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mbedtls_sha256_starts(&m_d->context, 0);
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}
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SecureHashAlgorithm::~SecureHashAlgorithm() {
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mbedtls_sha256_free(&m_d->context);
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delete m_d;
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}
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int SecureHashAlgorithm::update(const unsigned char *input, size_t ilen) {
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return mbedtls_sha256_update(&m_d->context, input, ilen);
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}
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int SecureHashAlgorithm::finish(unsigned char *output) {
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return mbedtls_sha256_finish(&m_d->context, output);
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}
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int SecureHashAlgorithm::sha256(const unsigned char *input, size_t ilen, unsigned char *output) {
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return mbedtls_sha256(input, ilen, output, 0);
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}
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std::string SecureHashAlgorithm::sha256(const std::string_view &input, Sha256DigestType &digest) {
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sha256(reinterpret_cast<const uint8_t *>(input.data()), input.size(), digest);
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std::ostringstream oss;
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for (int i = 0; i < sizeof(Sha256DigestType); ++i)
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oss << std::hex << std::setfill('0') << std::setw(2) << (((uint16_t)digest[i]) & 0xFF);
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return oss.str();
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}
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