mgf1.h

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/*
* MGF1
* (C) 1999-2007,2014 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
 
#ifndef BOTAN_MGF1_H_
#define BOTAN_MGF1_H_
 
#include <botan/types.h>
#include <span>
 
namespace Botan {
 
class HashFunction;
 
/**
* MGF1 from PKCS #1 v2.0
* @param hash hash function to use
* @param in input buffer
* @param in_len size of the input buffer in bytes
* @param out output buffer. The buffer is XORed with the output of MGF1.
* @param out_len size of the output buffer in bytes
*/
void mgf1_mask(HashFunction& hash, const uint8_t in[], size_t in_len, uint8_t out[], size_t out_len);
 
inline void mgf1_mask(HashFunction& hash, std::span<const uint8_t> input, std::span<uint8_t> output) {
   mgf1_mask(hash, input.data(), input.size(), output.data(), output.size());
}
 
}  // namespace Botan
 
#endif