crypto.h File Reference

Declarations for cryptography functions. More...

#include <array>
#include <openssl/evp.h>
#include <openssl/rand.h>
#include <openssl/sha.h>
#include <openssl/x509.h>
#include "utility.h"

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Classes
class	crypto::cipher::cbc_t
class	crypto::cert_chain_t
class	crypto::cipher::cipher_t
struct	crypto::creds_t
class	crypto::cipher::ecb_t
class	crypto::cipher::gcm_t

Typedefs
using	crypto::aes_t = std::vector<std::uint8_t>
using	crypto::bignum_t = util::safe_ptr<BIGNUM, BN_free>
using	crypto::bio_t = util::safe_ptr<BIO, BIO_free_all>
using	crypto::cipher_ctx_t = util::safe_ptr<EVP_CIPHER_CTX, EVP_CIPHER_CTX_free>
using	crypto::md_ctx_t = util::safe_ptr<EVP_MD_CTX, md_ctx_destroy>
using	crypto::pkey_ctx_t = util::safe_ptr<EVP_PKEY_CTX, EVP_PKEY_CTX_free>
using	crypto::pkey_t = util::safe_ptr<EVP_PKEY, EVP_PKEY_free>
using	crypto::sha256_t = std::array<std::uint8_t, SHA256_DIGEST_LENGTH>
using	crypto::x509_store_ctx_t = util::safe_ptr<X509_STORE_CTX, X509_STORE_CTX_free>
using	crypto::x509_store_t = util::safe_ptr<X509_STORE, X509_STORE_free>
using	crypto::x509_t = util::safe_ptr<X509, X509_free>

Functions
aes_t	crypto::gen_aes_key (const std::array< uint8_t, 16 > &salt, const std::string_view &pin)
creds_t	crypto::gen_creds (const std::string_view &cn, std::uint32_t key_bits)
sha256_t	crypto::hash (const std::string_view &plaintext)
	Hashes the given plaintext using SHA-256.
void	crypto::md_ctx_destroy (EVP_MD_CTX *ctx)
std::string	crypto::pem (pkey_t &pkey)
std::string	crypto::pem (x509_t &x509)
pkey_t	crypto::pkey (const std::string_view &k)
std::string	crypto::rand (std::size_t bytes)
std::string	crypto::rand_alphabet (std::size_t bytes, const std::string_view &alphabet)
constexpr std::size_t	crypto::cipher::round_to_pkcs7_padded (std::size_t size)
std::vector< uint8_t >	crypto::sign256 (const pkey_t &pkey, const std::string_view &data)
std::string_view	crypto::signature (const x509_t &x)
bool	crypto::verify256 (const x509_t &x509, const std::string_view &data, const std::string_view &signature)
x509_t	crypto::x509 (const std::string_view &x)

Variables
constexpr std::size_t	crypto::cipher::tag_size = 16

Detailed Description

Declarations for cryptography functions.

Function Documentation

hash()

sha256_t crypto::hash

(

const std::string_view &

plaintext

)

Hashes the given plaintext using SHA-256.

Parameters

plaintext

Returns

The SHA-256 hash of the plaintext.