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mgf1: Refactored MGF1 as an XOF

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This commit is contained in:
Andreas Steffen
2016-09-21 06:40:52 +02:00
parent e9e643b240
commit 188b190a70
60 changed files with 966 additions and 644 deletions
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src/libstrongswan/plugins/chapoly/chapoly_xof.c
+8 -1
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@@ -44,6 +44,12 @@ struct private_chapoly_xof_t {
chapoly_drv_t *drv;
};
METHOD(xof_t, get_type, ext_out_function_t,
private_chapoly_xof_t *this)
{
return XOF_CHACHA20;
}
METHOD(xof_t, get_bytes, bool,
private_chapoly_xof_t *this, size_t out_len, uint8_t *buffer)
{
@@ -53,7 +59,7 @@ METHOD(xof_t, get_bytes, bool,
len = min(out_len, CHACHA_BLOCK_SIZE - this->stream_index);
if (len)
{
memcpy(buffer + index, this->stream + this->stream_index, len);
memcpy(buffer, this->stream + this->stream_index, len);
index += len;
this->stream_index += len;
}
@@ -151,6 +157,7 @@ chapoly_xof_t *chapoly_xof_create(ext_out_function_t algorithm)
INIT(this,
.public = {
.xof_interface = {
.get_type = _get_type,
.get_bytes = _get_bytes,
.allocate_bytes = _allocate_bytes,
.get_block_size = _get_block_size,