|  | /* Copyright (c) 2016, Google Inc. | 
|  | * | 
|  | * Permission to use, copy, modify, and/or distribute this software for any | 
|  | * purpose with or without fee is hereby granted, provided that the above | 
|  | * copyright notice and this permission notice appear in all copies. | 
|  | * | 
|  | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | 
|  | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | 
|  | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY | 
|  | * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | 
|  | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION | 
|  | * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN | 
|  | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ | 
|  |  | 
|  | #ifndef OPENSSL_HEADER_X509_INTERNAL_H | 
|  | #define OPENSSL_HEADER_X509_INTERNAL_H | 
|  |  | 
|  | #include <openssl/base.h> | 
|  | #include <openssl/evp.h> | 
|  | #include <openssl/x509.h> | 
|  |  | 
|  | #if defined(__cplusplus) | 
|  | extern "C" { | 
|  | #endif | 
|  |  | 
|  |  | 
|  | /* RSA-PSS functions. */ | 
|  |  | 
|  | /* x509_rsa_pss_to_ctx configures |ctx| for an RSA-PSS operation based on | 
|  | * signature algorithm parameters in |sigalg| (which must have type | 
|  | * |NID_rsassaPss|) and key |pkey|. It returns one on success and zero on | 
|  | * error. */ | 
|  | int x509_rsa_pss_to_ctx(EVP_MD_CTX *ctx, X509_ALGOR *sigalg, EVP_PKEY *pkey); | 
|  |  | 
|  | /* x509_rsa_pss_to_ctx sets |algor| to the signature algorithm parameters for | 
|  | * |ctx|, which must have been configured for an RSA-PSS signing operation. It | 
|  | * returns one on success and zero on error. */ | 
|  | int x509_rsa_ctx_to_pss(EVP_MD_CTX *ctx, X509_ALGOR *algor); | 
|  |  | 
|  | /* x509_print_rsa_pss_params prints a human-readable representation of RSA-PSS | 
|  | * parameters in |sigalg| to |bp|. It returns one on success and zero on | 
|  | * error. */ | 
|  | int x509_print_rsa_pss_params(BIO *bp, const X509_ALGOR *sigalg, int indent, | 
|  | ASN1_PCTX *pctx); | 
|  |  | 
|  |  | 
|  | /* Signature algorithm functions. */ | 
|  |  | 
|  | /* x509_digest_sign_algorithm encodes the signing parameters of |ctx| as an | 
|  | * AlgorithmIdentifer and saves the result in |algor|. It returns one on | 
|  | * success, or zero on error. */ | 
|  | int x509_digest_sign_algorithm(EVP_MD_CTX *ctx, X509_ALGOR *algor); | 
|  |  | 
|  | /* x509_digest_verify_init sets up |ctx| for a signature verification operation | 
|  | * with public key |pkey| and parameters from |algor|. The |ctx| argument must | 
|  | * have been initialised with |EVP_MD_CTX_init|. It returns one on success, or | 
|  | * zero on error. */ | 
|  | int x509_digest_verify_init(EVP_MD_CTX *ctx, X509_ALGOR *sigalg, | 
|  | EVP_PKEY *pkey); | 
|  |  | 
|  |  | 
|  | #if defined(__cplusplus) | 
|  | }  /* extern C */ | 
|  | #endif | 
|  |  | 
|  | #endif  /* OPENSSL_HEADER_X509_INTERNAL_H */ |