folly::ssl::OpenSSLHash::Hmac Class Reference

#include <OpenSSLHash.h>

Public Member Functions
	Hmac ()
void	hash_init (const EVP_MD *md, ByteRange key)
void	hash_update (ByteRange data)
void	hash_update (const IOBuf &data)
void	hash_final (MutableByteRange out)

Private Attributes
const EVP_MD *	md_ = nullptr
HmacCtxUniquePtr	ctx_ {nullptr}

Detailed Description

Definition at line 101 of file OpenSSLHash.h.

Constructor & Destructor Documentation

folly::ssl::OpenSSLHash::Hmac::Hmac ( )

inline

Definition at line 103 of file OpenSSLHash.h.

: ctx_(HMAC_CTX_new()) {}

Member Function Documentation

void folly::ssl::OpenSSLHash::Hmac::hash_final ( MutableByteRange  out )

inline

Definition at line 119 of file OpenSSLHash.h.

References folly::ssl::OpenSSLHash::check_libssl_result(), folly::ssl::OpenSSLHash::check_out_size(), folly::ssl::OpenSSLHash::Digest::ctx_, folly::Range< Iter >::data(), folly::ssl::OpenSSLHash::Digest::md_, and folly::size().

Referenced by folly::ssl::OpenSSLHash::hmac().

                                          {
      const auto size = EVP_MD_size(md_);
      check_out_size(size_t(size), out);
      unsigned int len = 0;
      check_libssl_result(1, HMAC_Final(ctx_.get(), out.data(), &len));
      check_libssl_result(size, int(len));
      md_ = nullptr;
    }

void folly::ssl::OpenSSLHash::Hmac::hash_init ( const EVP_MD *  md, ByteRange  key  )

inline

Definition at line 105 of file OpenSSLHash.h.

References folly::ssl::OpenSSLHash::check_libssl_result(), folly::ssl::OpenSSLHash::Digest::ctx_, folly::Range< Iter >::data(), folly::ssl::OpenSSLHash::Digest::md_, and folly::Range< Iter >::size().

Referenced by folly::ssl::OpenSSLHash::hmac().

                                                    {
      md_ = md;
      check_libssl_result(
          1,
          HMAC_Init_ex(ctx_.get(), key.data(), int(key.size()), md_, nullptr));
    }

void folly::ssl::OpenSSLHash::Hmac::hash_update ( ByteRange  data )

inline

Definition at line 111 of file OpenSSLHash.h.

References folly::ssl::OpenSSLHash::check_libssl_result(), folly::ssl::OpenSSLHash::Digest::ctx_, folly::Range< Iter >::data(), and folly::Range< Iter >::size().

Referenced by folly::ssl::OpenSSLHash::hmac().

                                     {
      check_libssl_result(1, HMAC_Update(ctx_.get(), data.data(), data.size()));
    }

void folly::ssl::OpenSSLHash::Hmac::hash_update ( const IOBuf &  data )

inline

Definition at line 114 of file OpenSSLHash.h.

References folly::ssl::OpenSSLHash::Digest::hash_update().

                                        {
      for (auto r : data) {
        hash_update(r);
      }
    }

Member Data Documentation

HmacCtxUniquePtr folly::ssl::OpenSSLHash::Hmac::ctx_ {nullptr}

private

Definition at line 130 of file OpenSSLHash.h.

const EVP_MD* folly::ssl::OpenSSLHash::Hmac::md_ = nullptr

private

Definition at line 129 of file OpenSSLHash.h.

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The documentation for this class was generated from the following file:

• proxygen/folly/folly/ssl/OpenSSLHash.h