Coverage Report

Created: 2025-06-22 06:28

/src/qpdf/libqpdf/SHA2_native.cc
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#include <qpdf/SHA2_native.hh>
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#include <qpdf/QUtil.hh>
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#include <cstdio>
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#include <stdexcept>
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SHA2_native::SHA2_native(int bits) :
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    bits(bits)
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{
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    switch (bits) {
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    case 256:
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        sph_sha256_init(&ctx256);
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        break;
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    case 384:
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        sph_sha384_init(&ctx384);
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        break;
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    case 512:
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        sph_sha512_init(&ctx512);
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        break;
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    default:
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        badBits();
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        break;
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    }
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}
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void
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SHA2_native::badBits()
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{
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    throw std::logic_error("SHA2_native has bits != 256, 384, or 512");
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}
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void
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SHA2_native::update(unsigned char const* buf, size_t len)
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{
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    switch (bits) {
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    case 256:
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        sph_sha256(&ctx256, buf, len);
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        break;
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    case 384:
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        sph_sha384(&ctx384, buf, len);
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        break;
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    case 512:
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        sph_sha512(&ctx512, buf, len);
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        break;
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    default:
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        badBits();
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        break;
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    }
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}
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void
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SHA2_native::finalize()
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{
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    switch (bits) {
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    case 256:
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        sph_sha256_close(&ctx256, sha256sum);
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        break;
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    case 384:
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        sph_sha384_close(&ctx384, sha384sum);
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        break;
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    case 512:
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        sph_sha512_close(&ctx512, sha512sum);
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        break;
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    default:
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        badBits();
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        break;
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    }
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}
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std::string
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SHA2_native::getRawDigest()
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{
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    std::string result;
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    switch (bits) {
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    case 256:
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        result = std::string(reinterpret_cast<char*>(sha256sum), sizeof(sha256sum));
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        break;
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    case 384:
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        result = std::string(reinterpret_cast<char*>(sha384sum), sizeof(sha384sum));
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        break;
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    case 512:
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        result = std::string(reinterpret_cast<char*>(sha512sum), sizeof(sha512sum));
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        break;
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    default:
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        badBits();
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        break;
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    }
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    return result;
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}