smash::sha256 Namespace Reference

Classes
class	Context
	A SHA256 context. More...

Typedefs
typedef std::array< uint8_t, HASH_SIZE >	Hash
	A SHA256 hash. More...

Functions
Hash	calculate (uint8_t const *buffer, size_t buffer_size)
	Calculate the SHA256 hash of the buffer. More...
std::string	hash_to_string (Hash hash)
	Convert a SHA256 hash to a hexadecimal string. More...

Variables
constexpr size_t	HASH_SIZE = 256 / 8
	Size of a SHA256 hash. More...
constexpr size_t	BLOCK_SIZE = 64

Typedef Documentation

Hash

typedef std::array<uint8_t, HASH_SIZE> smash::sha256::Hash

A SHA256 hash.

Definition at line 25 of file sha256.h.

Function Documentation

calculate()

Hash smash::sha256::calculate	(	uint8_t const *	buffer,
		size_t	buffer_size
	)

Calculate the SHA256 hash of the buffer.

Definition at line 224 of file sha256.cc.

                                                          {
  Context context;
  context.update(buffer, buffer_size);
  return context.finalize();
}

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hash_to_string()

std::string smash::sha256::hash_to_string

(

Hash

hash

)

Convert a SHA256 hash to a hexadecimal string.

Definition at line 230 of file sha256.cc.

                                    {
  std::stringstream ss;
  ss << std::hex;
  for (uint16_t i : hash) {
    ss << std::setw(2) << std::setfill('0') << i;
  }
  return ss.str();
}

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Variable Documentation

HASH_SIZE

constexpr size_t smash::sha256::HASH_SIZE = 256 / 8

constexpr

Size of a SHA256 hash.

Definition at line 22 of file sha256.h.

BLOCK_SIZE

constexpr size_t smash::sha256::BLOCK_SIZE = 64

constexpr

Definition at line 88 of file sha256.cc.