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method_tls::prf() simplified

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This commit is contained in:
Simon Rozman
2016-08-14 12:41:19 +02:00
parent a90a7722c7
commit d1925a0704
3 changed files with 42 additions and 25 deletions
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38
lib/TLS/include/Method.h
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@@ -407,20 +407,38 @@ namespace eap
///
/// \sa [The Transport Layer Security (TLS) Protocol Version 1.1 (Chapter 5: HMAC and the Pseudorandom Function)](https://tools.ietf.org/html/rfc4346#section-5)
///
/// \param[in] secret Hashing secret key
/// \param[in] size_secret \p secret size
/// \param[in] seed Random seed
/// \param[in] size_seed \p seed size
/// \param[in] size Number of bytes of pseudo-random data required
/// \param[in] secret Hashing secret key
/// \param[in] seed Random seed
/// \param[in] size_seed \p seed size
/// \param[in] size Number of bytes of pseudo-random data required
///
/// \returns Generated pseudo-random data (\p size bytes)
///
sanitizing_blob prf(
_In_bytecount_(size_secret) const void *secret,
_In_ size_t size_secret,
_In_bytecount_(size_seed) const void *seed,
_In_ size_t size_seed,
_In_ size_t size) const;
_In_ const tls_master_secret &secret,
_In_bytecount_(size_seed) const void *seed,
_In_ size_t size_seed,
_In_ size_t size) const;
///
/// Calculates pseudo-random P_hash data defined in RFC 5246
///
/// \sa [The Transport Layer Security (TLS) Protocol Version 1.1 (Chapter 5: HMAC and the Pseudorandom Function)](https://tools.ietf.org/html/rfc4346#section-5)
///
/// \param[in] secret Hashing secret key
/// \param[in] seed Random seed
/// \param[in] size Number of bytes of pseudo-random data required
///
/// \returns Generated pseudo-random data (\p size bytes)
///
template<class _Ty, class _Ax>
inline sanitizing_blob prf(
_In_ const tls_master_secret &secret,
_In_ const std::vector<_Ty, _Ax> &seed,
_In_ size_t size) const
{
return prf(secret, seed.data(), seed.size() * sizeof(_Ty), size);
}
///
/// Creates a key