diff options
Diffstat (limited to 'extra/yassl/src/yassl_imp.cpp')
-rw-r--r-- | extra/yassl/src/yassl_imp.cpp | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/extra/yassl/src/yassl_imp.cpp b/extra/yassl/src/yassl_imp.cpp index d0eabce7bc9..5128c00418e 100644 --- a/extra/yassl/src/yassl_imp.cpp +++ b/extra/yassl/src/yassl_imp.cpp @@ -884,21 +884,19 @@ void Alert::Process(input_buffer& input, SSL& ssl) else hmac(ssl, verify, data, aSz, alert, true); - // read mac and fill + // read mac and skip fill int digestSz = ssl.getCrypto().get_digest().get_digestSize(); opaque mac[SHA_LEN]; input.read(mac, digestSz); if (ssl.getSecurity().get_parms().cipher_type_ == block) { int ivExtra = 0; - opaque fill; if (ssl.isTLSv1_1()) ivExtra = ssl.getCrypto().get_cipher().get_blockSize(); int padSz = ssl.getSecurity().get_parms().encrypt_size_ - ivExtra - aSz - digestSz; - for (int i = 0; i < padSz; i++) - fill = input[AUTO]; + input.set_current(input.get_current() + padSz); } // verify @@ -981,17 +979,17 @@ output_buffer& operator<<(output_buffer& output, const Data& data) void Data::Process(input_buffer& input, SSL& ssl) { int msgSz = ssl.getSecurity().get_parms().encrypt_size_; - int pad = 0, padByte = 0; + int pad = 0, padSz = 0; int ivExtra = 0; if (ssl.getSecurity().get_parms().cipher_type_ == block) { if (ssl.isTLSv1_1()) // IV ivExtra = ssl.getCrypto().get_cipher().get_blockSize(); pad = *(input.get_buffer() + input.get_current() + msgSz -ivExtra - 1); - padByte = 1; + padSz = 1; } int digestSz = ssl.getCrypto().get_digest().get_digestSize(); - int dataSz = msgSz - ivExtra - digestSz - pad - padByte; + int dataSz = msgSz - ivExtra - digestSz - pad - padSz; opaque verify[SHA_LEN]; const byte* rawData = input.get_buffer() + input.get_current(); @@ -1020,14 +1018,10 @@ void Data::Process(input_buffer& input, SSL& ssl) hmac(ssl, verify, rawData, dataSz, application_data, true); } - // read mac and fill + // read mac and skip fill opaque mac[SHA_LEN]; - opaque fill; input.read(mac, digestSz); - for (int i = 0; i < pad; i++) - fill = input[AUTO]; - if (padByte) - fill = input[AUTO]; + input.set_current(input.get_current() + pad + padSz); // verify if (dataSz) { @@ -2072,11 +2066,9 @@ void Finished::Process(input_buffer& input, SSL& ssl) if (ssl.isTLSv1_1()) ivExtra = ssl.getCrypto().get_cipher().get_blockSize(); - opaque fill; int padSz = ssl.getSecurity().get_parms().encrypt_size_ - ivExtra - HANDSHAKE_HEADER - finishedSz - digestSz; - for (int i = 0; i < padSz; i++) - fill = input[AUTO]; + input.set_current(input.get_current() + padSz); // verify mac if (memcmp(mac, verifyMAC, digestSz)) { |