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-rw-r--r--NorthstarDLL/include/crypto/ecx.h150
1 files changed, 150 insertions, 0 deletions
diff --git a/NorthstarDLL/include/crypto/ecx.h b/NorthstarDLL/include/crypto/ecx.h
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+++ b/NorthstarDLL/include/crypto/ecx.h
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+/*
+ * 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