diff options
Diffstat (limited to 'roms/edk2/CryptoPkg/Library/OpensslLib/openssl/include/crypto/ec.h')
-rw-r--r-- | roms/edk2/CryptoPkg/Library/OpensslLib/openssl/include/crypto/ec.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/include/crypto/ec.h b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/include/crypto/ec.h new file mode 100644 index 000000000..fe52ae704 --- /dev/null +++ b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/include/crypto/ec.h @@ -0,0 +1,53 @@ +/* + * Copyright 2018 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (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_EC_H +# define OSSL_CRYPTO_EC_H +# include <openssl/opensslconf.h> + +# ifndef OPENSSL_NO_EC + +# include <openssl/ec.h> + +/*- + * Computes the multiplicative inverse of x in the range + * [1,EC_GROUP::order), where EC_GROUP::order is the cardinality of the + * subgroup generated by the generator G: + * + * res := x^(-1) (mod EC_GROUP::order). + * + * This function expects the following two conditions to hold: + * - the EC_GROUP order is prime, and + * - x is included in the range [1, EC_GROUP::order). + * + * This function returns 1 on success, 0 on error. + * + * If the EC_GROUP order is even, this function explicitly returns 0 as + * an error. + * In case any of the two conditions stated above is not satisfied, + * the correctness of its output is not guaranteed, even if the return + * value could still be 1 (as primality testing and a conditional modular + * reduction round on the input can be omitted by the underlying + * implementations for better SCA properties on regular input values). + */ +__owur int ec_group_do_inverse_ord(const EC_GROUP *group, BIGNUM *res, + const BIGNUM *x, BN_CTX *ctx); + +/*- + * ECDH Key Derivation Function as defined in ANSI X9.63 + */ +int ecdh_KDF_X9_63(unsigned char *out, size_t outlen, + const unsigned char *Z, size_t Zlen, + const unsigned char *sinfo, size_t sinfolen, + const EVP_MD *md); + +# endif /* OPENSSL_NO_EC */ +#endif |