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authorWojtek Kosior <wk@koszkonutek-tmp.pl.eu.org>2021-04-30 00:33:56 +0200
committerWojtek Kosior <wk@koszkonutek-tmp.pl.eu.org>2021-04-30 00:33:56 +0200
commitaa4d426b4d3527d7e166df1a05058c9a4a0f6683 (patch)
tree4ff17ce8b89a2321b9d0ed4bcfc37c447bcb6820 /openssl-1.1.0h/engines/vendor_defns
downloadsmtps-and-pop3s-console-program-aa4d426b4d3527d7e166df1a05058c9a4a0f6683.tar.gz
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Diffstat (limited to 'openssl-1.1.0h/engines/vendor_defns')
-rw-r--r--openssl-1.1.0h/engines/vendor_defns/hwcryptohook.h509
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+/*
+ * Copyright 2002-2016 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
+ */
+
+/*-
+ * ModExp / RSA (with/without KM) plugin API
+ *
+ * The application will load a dynamic library which
+ * exports entrypoint(s) defined in this file.
+ *
+ * This set of entrypoints provides only a multithreaded,
+ * synchronous-within-each-thread, facility.
+ *
+ *
+ * This file is Copyright 1998-2000 nCipher Corporation Limited.
+ *
+ * Redistribution and use in source and binary forms, with opr without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the copyright notice,
+ * this list of conditions, and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions, and the following
+ * disclaimer, in the documentation and/or other materials provided
+ * with the distribution
+ *
+ * IN NO EVENT SHALL NCIPHER CORPORATION LIMITED (`NCIPHER') AND/OR
+ * ANY OTHER AUTHORS OR DISTRIBUTORS OF THIS FILE BE LIABLE for any
+ * damages arising directly or indirectly from this file, its use or
+ * this licence. Without prejudice to the generality of the
+ * foregoing: all liability shall be excluded for direct, indirect,
+ * special, incidental, consequential or other damages or any loss of
+ * profits, business, revenue goodwill or anticipated savings;
+ * liability shall be excluded even if nCipher or anyone else has been
+ * advised of the possibility of damage. In any event, if the
+ * exclusion of liability is not effective, the liability of nCipher
+ * or any author or distributor shall be limited to the lesser of the
+ * price paid and 1,000 pounds sterling. This licence only fails to
+ * exclude or limit liability for death or personal injury arising out
+ * of negligence, and only to the extent that such an exclusion or
+ * limitation is not effective.
+ *
+ * NCIPHER AND THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ALL
+ * AND ANY WARRANTIES (WHETHER EXPRESS OR IMPLIED), including, but not
+ * limited to, any implied warranties of merchantability, fitness for
+ * a particular purpose, satisfactory quality, and/or non-infringement
+ * of any third party rights.
+ *
+ * US Government use: This software and documentation is Commercial
+ * Computer Software and Computer Software Documentation, as defined in
+ * sub-paragraphs (a)(1) and (a)(5) of DFAR 252.227-7014, "Rights in
+ * Noncommercial Computer Software and Noncommercial Computer Software
+ * Documentation." Use, duplication or disclosure by the Government is
+ * subject to the terms and conditions specified here.
+ *
+ * By using or distributing this file you will be accepting these
+ * terms and conditions, including the limitation of liability and
+ * lack of warranty. If you do not wish to accept these terms and
+ * conditions, DO NOT USE THE FILE.
+ *
+ *
+ * The actual dynamically loadable plugin, and the library files for
+ * static linking, which are also provided in some distributions, are
+ * not covered by the licence described above. You should have
+ * received a separate licence with terms and conditions for these
+ * library files; if you received the library files without a licence,
+ * please contact nCipher.
+ *
+ */
+
+#ifndef HWCRYPTOHOOK_H
+# define HWCRYPTOHOOK_H
+
+# include <sys/types.h>
+# include <stdio.h>
+
+# ifndef HWCRYPTOHOOK_DECLARE_APPTYPES
+# define HWCRYPTOHOOK_DECLARE_APPTYPES 1
+# endif
+
+# define HWCRYPTOHOOK_ERROR_FAILED -1
+# define HWCRYPTOHOOK_ERROR_FALLBACK -2
+# define HWCRYPTOHOOK_ERROR_MPISIZE -3
+
+# if HWCRYPTOHOOK_DECLARE_APPTYPES
+
+/*-
+ * These structs are defined by the application and opaque to the
+ * crypto plugin. The application may define these as it sees fit.
+ * Default declarations are provided here, but the application may
+ * #define HWCRYPTOHOOK_DECLARE_APPTYPES 0
+ * to prevent these declarations, and instead provide its own
+ * declarations of these types. (Pointers to them must still be
+ * ordinary pointers to structs or unions, or the resulting combined
+ * program will have a type inconsistency.)
+ */
+typedef struct HWCryptoHook_MutexValue HWCryptoHook_Mutex;
+typedef struct HWCryptoHook_CondVarValue HWCryptoHook_CondVar;
+typedef struct HWCryptoHook_PassphraseContextValue
+ HWCryptoHook_PassphraseContext;
+typedef struct HWCryptoHook_CallerContextValue HWCryptoHook_CallerContext;
+
+# endif /* HWCRYPTOHOOK_DECLARE_APPTYPES */
+
+/*-
+ * These next two structs are opaque to the application. The crypto
+ * plugin will return pointers to them; the caller simply manipulates
+ * the pointers.
+ */
+typedef struct HWCryptoHook_Context *HWCryptoHook_ContextHandle;
+typedef struct HWCryptoHook_RSAKey *HWCryptoHook_RSAKeyHandle;
+
+typedef struct {
+ char *buf;
+ size_t size;
+} HWCryptoHook_ErrMsgBuf;
+/*-
+ * Used for error reporting. When a HWCryptoHook function fails it
+ * will return a sentinel value (0 for pointer-valued functions, or a
+ * negative number, usually HWCRYPTOHOOK_ERROR_FAILED, for
+ * integer-valued ones). It will, if an ErrMsgBuf is passed, also put
+ * an error message there.
+ *
+ * size is the size of the buffer, and will not be modified. If you
+ * pass 0 for size you must pass 0 for buf, and nothing will be
+ * recorded (just as if you passed 0 for the struct pointer).
+ * Messages written to the buffer will always be null-terminated, even
+ * when truncated to fit within size bytes.
+ *
+ * The contents of the buffer are not defined if there is no error.
+ */
+
+typedef struct HWCryptoHook_MPIStruct {
+ unsigned char *buf;
+ size_t size;
+} HWCryptoHook_MPI;
+/*-
+ * When one of these is returned, a pointer is passed to the function.
+ * At call, size is the space available. Afterwards it is updated to
+ * be set to the actual length (which may be more than the space available,
+ * if there was not enough room and the result was truncated).
+ * buf (the pointer) is not updated.
+ *
+ * size is in bytes and may be zero at call or return, but must be a
+ * multiple of the limb size. Zero limbs at the MS end are not
+ * permitted.
+ */
+
+# define HWCryptoHook_InitFlags_FallbackModExp 0x0002UL
+# define HWCryptoHook_InitFlags_FallbackRSAImmed 0x0004UL
+/*-
+ * Enable requesting fallback to software in case of problems with the
+ * hardware support. This indicates to the crypto provider that the
+ * application is prepared to fall back to software operation if the
+ * ModExp* or RSAImmed* functions return HWCRYPTOHOOK_ERROR_FALLBACK.
+ * Without this flag those calls will never return
+ * HWCRYPTOHOOK_ERROR_FALLBACK. The flag will also cause the crypto
+ * provider to avoid repeatedly attempting to contact dead hardware
+ * within a short interval, if appropriate.
+ */
+
+# define HWCryptoHook_InitFlags_SimpleForkCheck 0x0010UL
+/*-
+ * Without _SimpleForkCheck the library is allowed to assume that the
+ * application will not fork and call the library in the child(ren).
+ *
+ * When it is specified, this is allowed. However, after a fork
+ * neither parent nor child may unload any loaded keys or call
+ * _Finish. Instead, they should call exit (or die with a signal)
+ * without calling _Finish. After all the children have died the
+ * parent may unload keys or call _Finish.
+ *
+ * This flag only has any effect on UN*X platforms.
+ */
+
+typedef struct {
+ unsigned long flags;
+ void *logstream; /* usually a FILE*. See below. */
+ size_t limbsize; /* bignum format - size of radix type, must
+ * be power of 2 */
+ int mslimbfirst; /* 0 or 1 */
+ int msbytefirst; /* 0 or 1; -1 = native */
+ /*-
+ * All the callback functions should return 0 on success, or a
+ * nonzero integer (whose value will be visible in the error message
+ * put in the buffer passed to the call).
+ *
+ * If a callback is not available pass a null function pointer.
+ *
+ * The callbacks may not call down again into the crypto plugin.
+ */
+ /*-
+ * For thread-safety. Set everything to 0 if you promise only to be
+ * singlethreaded. maxsimultaneous is the number of calls to
+ * ModExp[Crt]/RSAImmed{Priv,Pub}/RSA. If you don't know what to
+ * put there then say 0 and the hook library will use a default.
+ *
+ * maxmutexes is a small limit on the number of simultaneous mutexes
+ * which will be requested by the library. If there is no small
+ * limit, set it to 0. If the crypto plugin cannot create the
+ * advertised number of mutexes the calls to its functions may fail.
+ * If a low number of mutexes is advertised the plugin will try to
+ * do the best it can. Making larger numbers of mutexes available
+ * may improve performance and parallelism by reducing contention
+ * over critical sections. Unavailability of any mutexes, implying
+ * single-threaded operation, should be indicated by the setting
+ * mutex_init et al to 0.
+ */
+ int maxmutexes;
+ int maxsimultaneous;
+ size_t mutexsize;
+ int (*mutex_init) (HWCryptoHook_Mutex *,
+ HWCryptoHook_CallerContext * cactx);
+ int (*mutex_acquire) (HWCryptoHook_Mutex *);
+ void (*mutex_release) (HWCryptoHook_Mutex *);
+ void (*mutex_destroy) (HWCryptoHook_Mutex *);
+ /*-
+ * For greater efficiency, can use condition vars internally for
+ * synchronisation. In this case maxsimultaneous is ignored, but
+ * the other mutex stuff must be available. In singlethreaded
+ * programs, set everything to 0.
+ */
+ size_t condvarsize;
+ int (*condvar_init) (HWCryptoHook_CondVar *,
+ HWCryptoHook_CallerContext * cactx);
+ int (*condvar_wait) (HWCryptoHook_CondVar *, HWCryptoHook_Mutex *);
+ void (*condvar_signal) (HWCryptoHook_CondVar *);
+ void (*condvar_broadcast) (HWCryptoHook_CondVar *);
+ void (*condvar_destroy) (HWCryptoHook_CondVar *);
+ /*-
+ * The semantics of acquiring and releasing mutexes and broadcasting
+ * and waiting on condition variables are expected to be those from
+ * POSIX threads (pthreads). The mutexes may be (in pthread-speak)
+ * fast mutexes, recursive mutexes, or nonrecursive ones.
+ *
+ * The _release/_signal/_broadcast and _destroy functions must
+ * always succeed when given a valid argument; if they are given an
+ * invalid argument then the program (crypto plugin + application)
+ * has an internal error, and they should abort the program.
+ */
+ int (*getpassphrase) (const char *prompt_info,
+ int *len_io, char *buf,
+ HWCryptoHook_PassphraseContext * ppctx,
+ HWCryptoHook_CallerContext * cactx);
+ /*-
+ * Passphrases and the prompt_info, if they contain high-bit-set
+ * characters, are UTF-8. The prompt_info may be a null pointer if
+ * no prompt information is available (it should not be an empty
+ * string). It will not contain text like `enter passphrase';
+ * instead it might say something like `Operator Card for John
+ * Smith' or `SmartCard in nFast Module #1, Slot #1'.
+ *
+ * buf points to a buffer in which to return the passphrase; on
+ * entry *len_io is the length of the buffer. It should be updated
+ * by the callback. The returned passphrase should not be
+ * null-terminated by the callback.
+ */
+ int (*getphystoken) (const char *prompt_info,
+ const char *wrong_info,
+ HWCryptoHook_PassphraseContext * ppctx,
+ HWCryptoHook_CallerContext * cactx);
+ /*-
+ * Requests that the human user physically insert a different
+ * smartcard, DataKey, etc. The plugin should check whether the
+ * currently inserted token(s) are appropriate, and if they are it
+ * should not make this call.
+ *
+ * prompt_info is as before. wrong_info is a description of the
+ * currently inserted token(s) so that the user is told what
+ * something is. wrong_info, like prompt_info, may be null, but
+ * should not be an empty string. Its contents should be
+ * syntactically similar to that of prompt_info.
+ */
+ /*-
+ * Note that a single LoadKey operation might cause several calls to
+ * getpassphrase and/or requestphystoken. If requestphystoken is
+ * not provided (ie, a null pointer is passed) then the plugin may
+ * not support loading keys for which authorisation by several cards
+ * is required. If getpassphrase is not provided then cards with
+ * passphrases may not be supported.
+ *
+ * getpassphrase and getphystoken do not need to check that the
+ * passphrase has been entered correctly or the correct token
+ * inserted; the crypto plugin will do that. If this is not the
+ * case then the crypto plugin is responsible for calling these
+ * routines again as appropriate until the correct token(s) and
+ * passphrase(s) are supplied as required, or until any retry limits
+ * implemented by the crypto plugin are reached.
+ *
+ * In either case, the application must allow the user to say `no'
+ * or `cancel' to indicate that they do not know the passphrase or
+ * have the appropriate token; this should cause the callback to
+ * return nonzero indicating error.
+ */
+ void (*logmessage) (void *logstream, const char *message);
+ /*-
+ * A log message will be generated at least every time something goes
+ * wrong and an ErrMsgBuf is filled in (or would be if one was
+ * provided). Other diagnostic information may be written there too,
+ * including more detailed reasons for errors which are reported in an
+ * ErrMsgBuf.
+ *
+ * When a log message is generated, this callback is called. It
+ * should write a message to the relevant logging arrangements.
+ *
+ * The message string passed will be null-terminated and may be of arbitrary
+ * length. It will not be prefixed by the time and date, nor by the
+ * name of the library that is generating it - if this is required,
+ * the logmessage callback must do it. The message will not have a
+ * trailing newline (though it may contain internal newlines).
+ *
+ * If a null pointer is passed for logmessage a default function is
+ * used. The default function treats logstream as a FILE* which has
+ * been converted to a void*. If logstream is 0 it does nothing.
+ * Otherwise it prepends the date and time and library name and
+ * writes the message to logstream. Each line will be prefixed by a
+ * descriptive string containing the date, time and identity of the
+ * crypto plugin. Errors on the logstream are not reported
+ * anywhere, and the default function doesn't flush the stream, so
+ * the application must set the buffering how it wants it.
+ *
+ * The crypto plugin may also provide a facility to have copies of
+ * log messages sent elsewhere, and or for adjusting the verbosity
+ * of the log messages; any such facilities will be configured by
+ * external means.
+ */
+} HWCryptoHook_InitInfo;
+
+typedef
+HWCryptoHook_ContextHandle HWCryptoHook_Init_t(const HWCryptoHook_InitInfo *
+ initinfo, size_t initinfosize,
+ const HWCryptoHook_ErrMsgBuf *
+ errors,
+ HWCryptoHook_CallerContext *
+ cactx);
+extern HWCryptoHook_Init_t HWCryptoHook_Init;
+
+/*-
+ * Caller should set initinfosize to the size of the HWCryptoHook struct,
+ * so it can be extended later.
+ *
+ * On success, a message for display or logging by the server,
+ * including the name and version number of the plugin, will be filled
+ * in into *errors; on failure *errors is used for error handling, as
+ * usual.
+ */
+
+/*-
+ * All these functions return 0 on success, HWCRYPTOHOOK_ERROR_FAILED
+ * on most failures. HWCRYPTOHOOK_ERROR_MPISIZE means at least one of
+ * the output MPI buffer(s) was too small; the sizes of all have been
+ * set to the desired size (and for those where the buffer was large
+ * enough, the value may have been copied in), and no error message
+ * has been recorded.
+ *
+ * You may pass 0 for the errors struct. In any case, unless you set
+ * _NoStderr at init time then messages may be reported to stderr.
+ */
+
+/*-
+ * The RSAImmed* functions (and key managed RSA) only work with
+ * modules which have an RSA patent licence - currently that means KM
+ * units; the ModExp* ones work with all modules, so you need a patent
+ * licence in the software in the US. They are otherwise identical.
+ */
+
+typedef
+void HWCryptoHook_Finish_t(HWCryptoHook_ContextHandle hwctx);
+extern HWCryptoHook_Finish_t HWCryptoHook_Finish;
+/* You must not have any calls going or keys loaded when you call this. */
+
+typedef
+int HWCryptoHook_RandomBytes_t(HWCryptoHook_ContextHandle hwctx,
+ unsigned char *buf, size_t len,
+ const HWCryptoHook_ErrMsgBuf * errors);
+extern HWCryptoHook_RandomBytes_t HWCryptoHook_RandomBytes;
+
+typedef
+int HWCryptoHook_ModExp_t(HWCryptoHook_ContextHandle hwctx,
+ HWCryptoHook_MPI a,
+ HWCryptoHook_MPI p,
+ HWCryptoHook_MPI n,
+ HWCryptoHook_MPI * r,
+ const HWCryptoHook_ErrMsgBuf * errors);
+extern HWCryptoHook_ModExp_t HWCryptoHook_ModExp;
+
+typedef
+int HWCryptoHook_RSAImmedPub_t(HWCryptoHook_ContextHandle hwctx,
+ HWCryptoHook_MPI m,
+ HWCryptoHook_MPI e,
+ HWCryptoHook_MPI n,
+ HWCryptoHook_MPI * r,
+ const HWCryptoHook_ErrMsgBuf * errors);
+extern HWCryptoHook_RSAImmedPub_t HWCryptoHook_RSAImmedPub;
+
+typedef
+int HWCryptoHook_ModExpCRT_t(HWCryptoHook_ContextHandle hwctx,
+ HWCryptoHook_MPI a,
+ HWCryptoHook_MPI p,
+ HWCryptoHook_MPI q,
+ HWCryptoHook_MPI dmp1,
+ HWCryptoHook_MPI dmq1,
+ HWCryptoHook_MPI iqmp,
+ HWCryptoHook_MPI * r,
+ const HWCryptoHook_ErrMsgBuf * errors);
+extern HWCryptoHook_ModExpCRT_t HWCryptoHook_ModExpCRT;
+
+typedef
+int HWCryptoHook_RSAImmedPriv_t(HWCryptoHook_ContextHandle hwctx,
+ HWCryptoHook_MPI m,
+ HWCryptoHook_MPI p,
+ HWCryptoHook_MPI q,
+ HWCryptoHook_MPI dmp1,
+ HWCryptoHook_MPI dmq1,
+ HWCryptoHook_MPI iqmp,
+ HWCryptoHook_MPI * r,
+ const HWCryptoHook_ErrMsgBuf * errors);
+extern HWCryptoHook_RSAImmedPriv_t HWCryptoHook_RSAImmedPriv;
+
+/*-
+ * The RSAImmed* and ModExp* functions may return E_FAILED or
+ * E_FALLBACK for failure.
+ *
+ * E_FAILED means the failure is permanent and definite and there
+ * should be no attempt to fall back to software. (Eg, for some
+ * applications, which support only the acceleration-only
+ * functions, the `key material' may actually be an encoded key
+ * identifier, and doing the operation in software would give wrong
+ * answers.)
+ *
+ * E_FALLBACK means that doing the computation in software would seem
+ * reasonable. If an application pays attention to this and is
+ * able to fall back, it should also set the Fallback init flags.
+ */
+
+typedef
+int HWCryptoHook_RSALoadKey_t(HWCryptoHook_ContextHandle hwctx,
+ const char *key_ident,
+ HWCryptoHook_RSAKeyHandle * keyhandle_r,
+ const HWCryptoHook_ErrMsgBuf * errors,
+ HWCryptoHook_PassphraseContext * ppctx);
+extern HWCryptoHook_RSALoadKey_t HWCryptoHook_RSALoadKey;
+/*-
+ * The key_ident is a null-terminated string configured by the
+ * user via the application's usual configuration mechanisms.
+ * It is provided to the user by the crypto provider's key management
+ * system. The user must be able to enter at least any string of between
+ * 1 and 1023 characters inclusive, consisting of printable 7-bit
+ * ASCII characters. The provider should avoid using
+ * any characters except alphanumerics and the punctuation
+ * characters _ - + . / @ ~ (the user is expected to be able
+ * to enter these without quoting). The string may be case-sensitive.
+ * The application may allow the user to enter other NULL-terminated strings,
+ * and the provider must cope (returning an error if the string is not
+ * valid).
+ *
+ * If the key does not exist, no error is recorded and 0 is returned;
+ * keyhandle_r will be set to 0 instead of to a key handle.
+ */
+
+typedef
+int HWCryptoHook_RSAGetPublicKey_t(HWCryptoHook_RSAKeyHandle k,
+ HWCryptoHook_MPI * n,
+ HWCryptoHook_MPI * e,
+ const HWCryptoHook_ErrMsgBuf * errors);
+extern HWCryptoHook_RSAGetPublicKey_t HWCryptoHook_RSAGetPublicKey;
+/*-
+ * The crypto plugin will not store certificates.
+ *
+ * Although this function for acquiring the public key value is
+ * provided, it is not the purpose of this API to deal fully with the
+ * handling of the public key.
+ *
+ * It is expected that the crypto supplier's key generation program
+ * will provide general facilities for producing X.509
+ * self-certificates and certificate requests in PEM format. These
+ * will be given to the user so that they can configure them in the
+ * application, send them to CAs, or whatever.
+ *
+ * In case this kind of certificate handling is not appropriate, the
+ * crypto supplier's key generation program should be able to be
+ * configured not to generate such a self-certificate or certificate
+ * request. Then the application will need to do all of this, and
+ * will need to store and handle the public key and certificates
+ * itself.
+ */
+
+typedef
+int HWCryptoHook_RSAUnloadKey_t(HWCryptoHook_RSAKeyHandle k,
+ const HWCryptoHook_ErrMsgBuf * errors);
+extern HWCryptoHook_RSAUnloadKey_t HWCryptoHook_RSAUnloadKey;
+/* Might fail due to locking problems, or other serious internal problems. */
+
+typedef
+int HWCryptoHook_RSA_t(HWCryptoHook_MPI m,
+ HWCryptoHook_RSAKeyHandle k,
+ HWCryptoHook_MPI * r,
+ const HWCryptoHook_ErrMsgBuf * errors);
+extern HWCryptoHook_RSA_t HWCryptoHook_RSA;
+/* RSA private key operation (sign or decrypt) - raw, unpadded. */
+
+#endif /* HWCRYPTOHOOK_H */