diff options
| author | Jack Lloyd <[email protected]> | 2018-07-13 18:47:51 -0400 |
|---|---|---|
| committer | Jack Lloyd <[email protected]> | 2018-07-13 18:57:58 -0400 |
| commit | 049d99b70aeedfc1d34b9317c6836d70aa2661c9 (patch) | |
| tree | 3aebc029054f33048f2dd6a22bf8af8f4589b1a8 /doc/manual/hash.rst | |
| parent | 6cc013091599a9d264e960fb9533c59c23a642ec (diff) | |
Documentation updates
Diffstat (limited to 'doc/manual/hash.rst')
| -rw-r--r-- | doc/manual/hash.rst | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/doc/manual/hash.rst b/doc/manual/hash.rst index f76f6363c..9dadb4336 100644 --- a/doc/manual/hash.rst +++ b/doc/manual/hash.rst @@ -65,7 +65,7 @@ internal state is reset to begin hashing a new message. Code Example ------------ -Assume we want to calculate the SHA-1, Whirlpool and SHA-3 hash digests of the STDIN stream using the Botan library. +Assume we want to calculate the SHA-256, SHA-384, and SHA-3 hash digests of the STDIN stream using the Botan library. .. code-block:: cpp @@ -74,8 +74,8 @@ Assume we want to calculate the SHA-1, Whirlpool and SHA-3 hash digests of the S #include <iostream> int main () { - std::unique_ptr<Botan::HashFunction> hash1(Botan::HashFunction::create("SHA-1")); - std::unique_ptr<Botan::HashFunction> hash2(Botan::HashFunction::create("Whirlpool")); + std::unique_ptr<Botan::HashFunction> hash1(Botan::HashFunction::create("SHA-256")); + std::unique_ptr<Botan::HashFunction> hash2(Botan::HashFunction::create("SHA-384")); std::unique_ptr<Botan::HashFunction> hash3(Botan::HashFunction::create("SHA-3")); std::vector<uint8_t> buf(2048); @@ -89,8 +89,8 @@ Assume we want to calculate the SHA-1, Whirlpool and SHA-3 hash digests of the S hash2->update(buf.data(),readcount); hash3->update(buf.data(),readcount); } - std::cout << "SHA-1: " << Botan::hex_encode(hash1->final()) << std::endl; - std::cout << "Whirlpool: " << Botan::hex_encode(hash2->final()) << std::endl; + std::cout << "SHA-256: " << Botan::hex_encode(hash1->final()) << std::endl; + std::cout << "SHA-384: " << Botan::hex_encode(hash2->final()) << std::endl; std::cout << "SHA-3: " << Botan::hex_encode(hash3->final()) << std::endl; return 0; } @@ -222,8 +222,9 @@ Tiger Available if ``BOTAN_HAS_TIGER`` is defined. -An older 192-bit hash function, optimized for 64-bit systems. Seemingly secure -but not widely used. Prefer Skein-512 or BLAKE2b in new code. +An older 192-bit hash function, optimized for 64-bit systems. Possibly +vulnerable to side channels due to its use of table lookups. Prefer Skein-512 or +BLAKE2b in new code. Whirlpool ^^^^^^^^^^^^^^^ @@ -246,7 +247,7 @@ Parallel Available if ``BOTAN_HAS_PARALLEL_HASH`` is defined. -Parallel simply concatenated multiple hash functions. For example +Parallel simply concatenates multiple hash functions. For example "Parallel(SHA-256,SHA-512)" outputs a 256+512 bit hash created by hashing the input with both SHA-256 and SHA-512 and concatenating the outputs. |