Groestl

Groestl Algorithm More...

Typedefs
typedef hasher< detail::groestl_provider<> >	digestpp::groestl
	Grøstl hash function.
template<size_t N>
using	digestpp::static_size::groestl = hasher<detail::groestl_provider<N>>
	Grøstl hash function (static-size version)

Detailed Description

Groestl Algorithm

Typedef Documentation

groestl [1/2]

typedef hasher<detail::groestl_provider<> > digestpp::groestl

Grøstl hash function.

SHA-3 competition finalist based on AES-like operations. Designed by Praveen Gauravaram, Lars Knudsen, Krystian Matusiewicz, Florian Mendel, Christian Rechberger, Martin Schläffer, and Søren S. Thomsen.

Grøstl uses two AES-like permutations.

SHA-3 finalist (2012) - did not win but remains a secure alternative.

Type:

Cryptographic hash function.

Output size:

8 - 512 bits

Default size:

none

Exceptions

std::runtime_error

if the requested digest size is not divisible by 8 (full bytes), or is not within the supported range

Example:

 // Output a 256-bit Grøstl digest of a string
digestpp::groestl hasher(256);
hasher.absorb("The quick brown fox jumps over the lazy dog");
std::cout << hasher.hexdigest() << '\n';

Example output:

8c7ad62eb26a21297bc39c2d7293b4bd4d3399fa8afab29e970471739e28b301

See also

hasher, digestpp::static_size::groestl

groestl [2/2]

template<size_t N>

using digestpp::static_size::groestl = hasher<detail::groestl_provider<N>>

Grøstl hash function (static-size version)

Variant of Grøstl with output size specified as template parameter.

Type:

Cryptographic hash function.

Output size:

8 - 512 bits

Example:

 // Output a 256-bit Grøstl digest of a string
digestpp::static_size::groestl<256> hasher;
hasher.absorb("The quick brown fox jumps over the lazy dog");
std::cout << hasher.hexdigest() << '\n';

Example output:

8c7ad62eb26a21297bc39c2d7293b4bd4d3399fa8afab29e970471739e28b301

See also

hasher, digestpp::groestl