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ircd::openssl: Support ripemd160.

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This commit is contained in:
Jason Volk 2018-04-08 09:27:10 -07:00
parent 37a0b0362b
commit 5f441c417f
2 changed files with 127 additions and 0 deletions
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31
include/ircd/hash.h
View file

@ -36,6 +36,7 @@ namespace ircd::crh
struct hash;
struct sha256;
struct ripemd160;
}
// Export aliases down to ircd::
@ -43,6 +44,7 @@ namespace ircd
{
using crh::hash;
using crh::sha256;
using crh::ripemd160;
}
/// Abstract interface to a hashing context for any algorithm in ircd::crh
@ -105,6 +107,35 @@ final
~sha256() noexcept;
};
/// RIPEMD160 hashing device.
struct ircd::crh::ripemd160
final
:hash
{
struct ctx;
static constexpr const size_t digest_size
{
160 / 8
};
using buf = fixed_const_buffer<digest_size>;
protected:
std::unique_ptr<ctx> ctx;
public:
size_t length() const override;
void digest(const mutable_buffer &) const override;
void finalize(const mutable_buffer &) override;
void update(const const_buffer &) override;
ripemd160(const mutable_buffer &, const const_buffer &);
ripemd160(const const_buffer &);
ripemd160();
~ripemd160() noexcept;
};
/// Automatic gratification from hash::digest()
template<size_t SIZE>
ircd::crh::hash::operator

96
ircd/openssl.cc
View file

@ -15,6 +15,7 @@
#include <openssl/rsa.h>
#include <openssl/x509.h>
#include <openssl/evp.h>
#include <openssl/ripemd.h>
namespace ircd::openssl
{
@ -1368,6 +1369,10 @@ ircd::openssl::init::~init()
// hash.h
//
//
// sha256
//
namespace ircd::crh
{
static void finalize(struct sha256::ctx *const &, const mutable_buffer &);
@ -1454,6 +1459,97 @@ ircd::crh::finalize(struct sha256::ctx *const &ctx,
openssl::call(::SHA256_Final, md, ctx);
}
//
// ripemd160
//
namespace ircd::crh
{
static void finalize(struct ripemd160::ctx *const &, const mutable_buffer &);
}
struct ircd::crh::ripemd160::ctx
:RIPEMD160_CTX
{
ctx();
~ctx() noexcept;
};
ircd::crh::ripemd160::ctx::ctx()
{
openssl::call(::RIPEMD160_Init, this);
}
ircd::crh::ripemd160::ctx::~ctx()
noexcept
{
}
ircd::crh::ripemd160::ripemd160()
:ctx{std::make_unique<struct ctx>()}
{
}
/// One-shot functor. Immediately calls update(); no output
ircd::crh::ripemd160::ripemd160(const const_buffer &in)
:ripemd160{}
{
update(in);
}
/// One-shot functor. Immediately calls operator().
ircd::crh::ripemd160::ripemd160(const mutable_buffer &out,
const const_buffer &in)
:ripemd160{}
{
operator()(out, in);
}
ircd::crh::ripemd160::~ripemd160()
noexcept
{
}
void
ircd::crh::ripemd160::update(const const_buffer &buf)
{
openssl::call(::RIPEMD160_Update, ctx.get(), data(buf), size(buf));
}
void
ircd::crh::ripemd160::digest(const mutable_buffer &buf)
const
{
assert(bool(ctx));
auto copy(*ctx);
crh::finalize(&copy, buf);
}
void
ircd::crh::ripemd160::finalize(const mutable_buffer &buf)
{
crh::finalize(ctx.get(), buf);
}
size_t
ircd::crh::ripemd160::length()
const
{
return digest_size;
}
void
ircd::crh::finalize(struct ripemd160::ctx *const &ctx,
const mutable_buffer &buf)
{
uint8_t *const md
{
reinterpret_cast<uint8_t *>(data(buf))
};
openssl::call(::RIPEMD160_Final, md, ctx);
}
///////////////////////////////////////////////////////////////////////////////
//
// Internal section for OpenSSL locking.