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fast buffers for crypto

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This commit is contained in:
Ryan Dahl 2010-09-06 12:16:47 -07:00
parent 5f935f6c14
commit 5da4faf8c7
1 changed files with 55 additions and 29 deletions
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84
src/node_crypto.cc
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@ -322,21 +322,23 @@ Handle<Value> SecureStream::ReadInject(const Arguments& args) {
String::New("Second argument should be a buffer")));
}
Buffer * buffer = ObjectWrap::Unwrap<Buffer>(args[0]->ToObject());
Local<Object> buffer_obj = args[0]->ToObject();
char *buffer_data = Buffer::Data(buffer_obj);
size_t buffer_length = Buffer::Length(buffer_obj);
size_t off = args[1]->Int32Value();
if (off >= buffer->length()) {
if (off >= buffer_length) {
return ThrowException(Exception::Error(
String::New("Offset is out of bounds")));
}
size_t len = args[2]->Int32Value();
if (off + len > buffer->length()) {
if (off + len > buffer_length) {
return ThrowException(Exception::Error(
String::New("Length is extends beyond buffer")));
}
int bytes_written = BIO_write(ss->pbioRead, (char*)buffer->data() + off, len);
int bytes_written = BIO_write(ss->pbioRead, (char*)buffer_data + off, len);
if (bytes_written < 0) {
if (errno == EAGAIN || errno == EINTR) return Null();
@ -362,16 +364,18 @@ Handle<Value> SecureStream::ReadExtract(const Arguments& args) {
String::New("Second argument should be a buffer")));
}
Buffer * buffer = ObjectWrap::Unwrap<Buffer>(args[0]->ToObject());
Local<Object> buffer_obj = args[0]->ToObject();
char *buffer_data = Buffer::Data(buffer_obj);
size_t buffer_length = Buffer::Length(buffer_obj);
size_t off = args[1]->Int32Value();
if (off >= buffer->length()) {
if (off >= buffer_length) {
return ThrowException(Exception::Error(
String::New("Offset is out of bounds")));
}
size_t len = args[2]->Int32Value();
if (off + len > buffer->length()) {
if (off + len > buffer_length) {
return ThrowException(Exception::Error(
String::New("Length is extends beyond buffer")));
}
@ -393,7 +397,7 @@ Handle<Value> SecureStream::ReadExtract(const Arguments& args) {
return scope.Close(Integer::New(0));
}
bytes_read = SSL_read(ss->pSSL, (char*)buffer->data() + off, len);
bytes_read = SSL_read(ss->pSSL, (char*)buffer_data + off, len);
if (bytes_read < 0) {
int err = SSL_get_error(ss->pSSL, bytes_read);
if (err == SSL_ERROR_WANT_READ) {
@ -445,21 +449,23 @@ Handle<Value> SecureStream::WriteExtract(const Arguments& args) {
String::New("Second argument should be a buffer")));
}
Buffer * buffer = ObjectWrap::Unwrap<Buffer>(args[0]->ToObject());
Local<Object> buffer_obj = args[0]->ToObject();
char *buffer_data = Buffer::Data(buffer_obj);
size_t buffer_length = Buffer::Length(buffer_obj);
size_t off = args[1]->Int32Value();
if (off >= buffer->length()) {
if (off >= buffer_length) {
return ThrowException(Exception::Error(
String::New("Offset is out of bounds")));
}
size_t len = args[2]->Int32Value();
if (off + len > buffer->length()) {
if (off + len > buffer_length) {
return ThrowException(Exception::Error(
String::New("Length is extends beyond buffer")));
}
int bytes_read = BIO_read(ss->pbioWrite, (char*)buffer->data() + off, len);
int bytes_read = BIO_read(ss->pbioWrite, (char*)buffer_data + off, len);
return scope.Close(Integer::New(bytes_read));
}
@ -480,16 +486,18 @@ Handle<Value> SecureStream::WriteInject(const Arguments& args) {
String::New("Second argument should be a buffer")));
}
Buffer * buffer = ObjectWrap::Unwrap<Buffer>(args[0]->ToObject());
Local<Object> buffer_obj = args[0]->ToObject();
char *buffer_data = Buffer::Data(buffer_obj);
size_t buffer_length = Buffer::Length(buffer_obj);
size_t off = args[1]->Int32Value();
if (off >= buffer->length()) {
if (off >= buffer_length) {
return ThrowException(Exception::Error(
String::New("Offset is out of bounds")));
}
size_t len = args[2]->Int32Value();
if (off + len > buffer->length()) {
if (off + len > buffer_length) {
return ThrowException(Exception::Error(
String::New("Length is extends beyond buffer")));
}
@ -503,7 +511,7 @@ Handle<Value> SecureStream::WriteInject(const Arguments& args) {
}
return scope.Close(Integer::New(0));
}
int bytes_written = SSL_write(ss->pSSL, (char*)buffer->data() + off, len);
int bytes_written = SSL_write(ss->pSSL, (char*)buffer_data + off, len);
return scope.Close(Integer::New(bytes_written));
}
@ -1001,8 +1009,11 @@ class Cipher : public ObjectWrap {
unsigned char *out=0;
int out_len=0;
if (Buffer::HasInstance(args[0])) {
Buffer *buffer = ObjectWrap::Unwrap<Buffer>(args[0]->ToObject());
int r = cipher->CipherUpdate(buffer->data(), buffer->length(), &out, &out_len);
Local<Object> buffer_obj = args[0]->ToObject();
char *buffer_data = Buffer::Data(buffer_obj);
size_t buffer_length = Buffer::Length(buffer_obj);
int r = cipher->CipherUpdate(buffer_data, buffer_length, &out, &out_len);
} else {
char* buf = new char[len];
ssize_t written = DecodeWrite(buf, len, args[0], enc);
@ -1344,9 +1355,12 @@ class Decipher : public ObjectWrap {
// if alloc_buf then buf must be deleted later
bool alloc_buf = false;
if (Buffer::HasInstance(args[0])) {
Buffer *buffer = ObjectWrap::Unwrap<Buffer>(args[0]->ToObject());
buf = buffer->data();
len = buffer->length();
Local<Object> buffer_obj = args[0]->ToObject();
char *buffer_data = Buffer::Data(buffer_obj);
size_t buffer_length = Buffer::Length(buffer_obj);
buf = buffer_data;
len = buffer_length;
} else {
alloc_buf = true;
buf = new char[len];
@ -1664,8 +1678,11 @@ class Hmac : public ObjectWrap {
}
if( Buffer::HasInstance(args[0])) {
Buffer *buffer = ObjectWrap::Unwrap<Buffer>(args[0]->ToObject());
int r = hmac->HmacUpdate(buffer->data(), buffer->length());
Local<Object> buffer_obj = args[0]->ToObject();
char *buffer_data = Buffer::Data(buffer_obj);
size_t buffer_length = Buffer::Length(buffer_obj);
int r = hmac->HmacUpdate(buffer_data, buffer_length);
} else {
char* buf = new char[len];
ssize_t written = DecodeWrite(buf, len, args[0], enc);
@ -1811,8 +1828,11 @@ class Hash : public ObjectWrap {
if (Buffer::HasInstance(args[0])) {
Buffer *buffer = ObjectWrap::Unwrap<Buffer>(args[0]->ToObject());
int r = hash->HashUpdate(buffer->data(), buffer->length());
Local<Object> buffer_obj = args[0]->ToObject();
char *buffer_data = Buffer::Data(buffer_obj);
size_t buffer_length = Buffer::Length(buffer_obj);
int r = hash->HashUpdate(buffer_data, buffer_length);
} else {
char* buf = new char[len];
ssize_t written = DecodeWrite(buf, len, args[0], enc);
@ -1981,8 +2001,11 @@ class Sign : public ObjectWrap {
}
if (Buffer::HasInstance(args[0])) {
Buffer *buffer = ObjectWrap::Unwrap<Buffer>(args[0]->ToObject());
int r = sign->SignUpdate(buffer->data(), buffer->length());
Local<Object> buffer_obj = args[0]->ToObject();
char *buffer_data = Buffer::Data(buffer_obj);
size_t buffer_length = Buffer::Length(buffer_obj);
int r = sign->SignUpdate(buffer_data, buffer_length);
} else {
char* buf = new char[len];
ssize_t written = DecodeWrite(buf, len, args[0], enc);
@ -2180,8 +2203,11 @@ class Verify : public ObjectWrap {
}
if(Buffer::HasInstance(args[0])) {
Buffer *buffer = ObjectWrap::Unwrap<Buffer>(args[0]->ToObject());
int r = verify->VerifyUpdate(buffer->data(), buffer->length());
Local<Object> buffer_obj = args[0]->ToObject();
char *buffer_data = Buffer::Data(buffer_obj);
size_t buffer_length = Buffer::Length(buffer_obj);
int r = verify->VerifyUpdate(buffer_data, buffer_length);
} else {
char* buf = new char[len];
ssize_t written = DecodeWrite(buf, len, args[0], enc);