diff options
Diffstat (limited to 'NorthstarDLL/include/crypto/ecx.h')
| -rw-r--r-- | NorthstarDLL/include/crypto/ecx.h | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/NorthstarDLL/include/crypto/ecx.h b/NorthstarDLL/include/crypto/ecx.h new file mode 100644 index 00000000..48b95fa5 --- /dev/null +++ b/NorthstarDLL/include/crypto/ecx.h @@ -0,0 +1,150 @@ +/* + * Copyright 2020-2021 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the Apache License 2.0 (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +/* Internal EC functions for other submodules: not for application use */ + +#ifndef OSSL_CRYPTO_ECX_H +# define OSSL_CRYPTO_ECX_H +# pragma once + +# include <openssl/opensslconf.h> + +# ifndef OPENSSL_NO_EC + +# include <openssl/core.h> +# include <openssl/e_os2.h> +# include <openssl/crypto.h> +# include "internal/refcount.h" +# include "crypto/types.h" + +# define X25519_KEYLEN 32 +# define X448_KEYLEN 56 +# define ED25519_KEYLEN 32 +# define ED448_KEYLEN 57 + +# define MAX_KEYLEN ED448_KEYLEN + +# define X25519_BITS 253 +# define X25519_SECURITY_BITS 128 + +# define X448_BITS 448 +# define X448_SECURITY_BITS 224 + +# define ED25519_BITS 256 +/* RFC8032 Section 8.5 */ +# define ED25519_SECURITY_BITS 128 +# define ED25519_SIGSIZE 64 + +# define ED448_BITS 456 +/* RFC8032 Section 8.5 */ +# define ED448_SECURITY_BITS 224 +# define ED448_SIGSIZE 114 + + +typedef enum { + ECX_KEY_TYPE_X25519, + ECX_KEY_TYPE_X448, + ECX_KEY_TYPE_ED25519, + ECX_KEY_TYPE_ED448 +} ECX_KEY_TYPE; + +#define KEYTYPE2NID(type) \ + ((type) == ECX_KEY_TYPE_X25519 \ + ? EVP_PKEY_X25519 \ + : ((type) == ECX_KEY_TYPE_X448 \ + ? EVP_PKEY_X448 \ + : ((type) == ECX_KEY_TYPE_ED25519 \ + ? EVP_PKEY_ED25519 \ + : EVP_PKEY_ED448))) + +struct ecx_key_st { + OSSL_LIB_CTX *libctx; + char *propq; + unsigned int haspubkey:1; + unsigned char pubkey[MAX_KEYLEN]; + unsigned char *privkey; + size_t keylen; + ECX_KEY_TYPE type; + CRYPTO_REF_COUNT references; + CRYPTO_RWLOCK *lock; +}; + +size_t ossl_ecx_key_length(ECX_KEY_TYPE type); +ECX_KEY *ossl_ecx_key_new(OSSL_LIB_CTX *libctx, ECX_KEY_TYPE type, + int haspubkey, const char *propq); +void ossl_ecx_key_set0_libctx(ECX_KEY *key, OSSL_LIB_CTX *libctx); +unsigned char *ossl_ecx_key_allocate_privkey(ECX_KEY *key); +void ossl_ecx_key_free(ECX_KEY *key); +int ossl_ecx_key_up_ref(ECX_KEY *key); +ECX_KEY *ossl_ecx_key_dup(const ECX_KEY *key, int selection); + +int ossl_x25519(uint8_t out_shared_key[32], const uint8_t private_key[32], + const uint8_t peer_public_value[32]); +void ossl_x25519_public_from_private(uint8_t out_public_value[32], + const uint8_t private_key[32]); + +int +ossl_ed25519_public_from_private(OSSL_LIB_CTX *ctx, uint8_t out_public_key[32], + const uint8_t private_key[32], + const char *propq); +int +ossl_ed25519_sign(uint8_t *out_sig, const uint8_t *message, size_t message_len, + const uint8_t public_key[32], const uint8_t private_key[32], + OSSL_LIB_CTX *libctx, const char *propq); +int +ossl_ed25519_verify(const uint8_t *message, size_t message_len, + const uint8_t signature[64], const uint8_t public_key[32], + OSSL_LIB_CTX *libctx, const char *propq); + +int +ossl_ed448_public_from_private(OSSL_LIB_CTX *ctx, uint8_t out_public_key[57], + const uint8_t private_key[57], const char *propq); +int +ossl_ed448_sign(OSSL_LIB_CTX *ctx, uint8_t *out_sig, const uint8_t *message, + size_t message_len, const uint8_t public_key[57], + const uint8_t private_key[57], const uint8_t *context, + size_t context_len, const char *propq); + +int +ossl_ed448_verify(OSSL_LIB_CTX *ctx, const uint8_t *message, size_t message_len, + const uint8_t signature[114], const uint8_t public_key[57], + const uint8_t *context, size_t context_len, const char *propq); + +int +ossl_x448(uint8_t out_shared_key[56], const uint8_t private_key[56], + const uint8_t peer_public_value[56]); +void +ossl_x448_public_from_private(uint8_t out_public_value[56], + const uint8_t private_key[56]); + + +/* Backend support */ +typedef enum { + KEY_OP_PUBLIC, + KEY_OP_PRIVATE, + KEY_OP_KEYGEN +} ecx_key_op_t; + +ECX_KEY *ossl_ecx_key_op(const X509_ALGOR *palg, + const unsigned char *p, int plen, + int pkey_id, ecx_key_op_t op, + OSSL_LIB_CTX *libctx, const char *propq); + +int ossl_ecx_public_from_private(ECX_KEY *key); +int ossl_ecx_key_fromdata(ECX_KEY *ecx, const OSSL_PARAM params[], + int include_private); +ECX_KEY *ossl_ecx_key_from_pkcs8(const PKCS8_PRIV_KEY_INFO *p8inf, + OSSL_LIB_CTX *libctx, const char *propq); + +ECX_KEY *ossl_evp_pkey_get1_X25519(EVP_PKEY *pkey); +ECX_KEY *ossl_evp_pkey_get1_X448(EVP_PKEY *pkey); +ECX_KEY *ossl_evp_pkey_get1_ED25519(EVP_PKEY *pkey); +ECX_KEY *ossl_evp_pkey_get1_ED448(EVP_PKEY *pkey); +# endif /* OPENSSL_NO_EC */ +#endif |