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Diffstat (limited to 'include/iprt/crypto/cipher.h')
| -rw-r--r-- | include/iprt/crypto/cipher.h | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/include/iprt/crypto/cipher.h b/include/iprt/crypto/cipher.h new file mode 100644 index 00000000..9fb3cd02 --- /dev/null +++ b/include/iprt/crypto/cipher.h @@ -0,0 +1,156 @@ +/** @file + * IPRT - Crypto - Symmetric Ciphers. + */ + +/* + * Copyright (C) 2018-2022 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, in version 3 of the + * License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <https://www.gnu.org/licenses>. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included + * in the VirtualBox distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + * + * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 + */ + +#ifndef IPRT_INCLUDED_crypto_cipher_h +#define IPRT_INCLUDED_crypto_cipher_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +#include <iprt/asn1.h> + + +RT_C_DECLS_BEGIN + +struct RTCRX509SUBJECTPUBLICKEYINFO; + +/** @defgroup grp_rt_crcipher RTCrCipher - Symmetric Ciphers + * @ingroup grp_rt_crypto + * @{ + */ + +/** + * A symmetric cipher handle. + * + * @remarks In OpenSSL terms this corresponds to a EVP_CIPHER, while in Microsoft + * terms it is an algorithm handle. The latter is why a handle was + * choosen rather than constant descriptor structure pointer. */ +typedef struct RTCRCIPHERINT *RTCRCIPHER; +/** Pointer to a symmetric cipher handle. */ +typedef RTCRCIPHER *PRTCRCIPHER; +/** Nil symmetric cipher handle. */ +#define NIL_RTCRCIPHER ((RTCRCIPHER)0) +/** Symmetric cipher context */ +typedef struct RTCRCIPHERCTXINT *RTCRCIPHERCTX; +/** Pointer to a symmetric cipher context */ +typedef RTCRCIPHERCTX *PRTCRCIPHERCTX; +/** Nil symmetric cipher context */ +#define NIL_RTCRCIPHERCTX ((RTCRCIPHERCTX)0) + +/** + * Symmetric cipher types. + * + * @note Only add new types at the end, existing values must be stable. + */ +typedef enum RTCRCIPHERTYPE +{ + /** Invalid zero value. */ + RTCRCIPHERTYPE_INVALID = 0, + /** XTS-AES-128 (NIST SP 800-38E). */ + RTCRCIPHERTYPE_XTS_AES_128, + /** XTS-AES-256 (NIST SP 800-38E). */ + RTCRCIPHERTYPE_XTS_AES_256, + /** GCM-AES-128. */ + RTCRCIPHERTYPE_GCM_AES_128, + /** GCM-AES-256. */ + RTCRCIPHERTYPE_GCM_AES_256, + /* CTR-AES-128 */ + RTCRCIPHERTYPE_CTR_AES_128, + /* CTR-AES-256 */ + RTCRCIPHERTYPE_CTR_AES_256, + /** End of valid symmetric cipher types. */ + RTCRCIPHERTYPE_END, + /** Make sure the type is a 32-bit one. */ + RTCRCIPHERTYPE_32BIT_HACK = 0x7fffffff +} RTCRCIPHERTYPE; + + +RTDECL(int) RTCrCipherOpenByType(PRTCRCIPHER phCipher, RTCRCIPHERTYPE enmType, uint32_t fFlags); +RTDECL(uint32_t) RTCrCipherRetain(RTCRCIPHER hCipher); +RTDECL(uint32_t) RTCrCipherRelease(RTCRCIPHER hCipher); +RTDECL(uint32_t) RTCrCipherGetKeyLength(RTCRCIPHER hCipher); +RTDECL(uint32_t) RTCrCipherGetInitializationVectorLength(RTCRCIPHER hCipher); +RTDECL(uint32_t) RTCrCipherGetBlockSize(RTCRCIPHER hCipher); + +RTDECL(int) RTCrCipherCtxFree(RTCRCIPHERCTX phCipherCtx); + +RTDECL(int) RTCrCipherCtxEncryptInit(RTCRCIPHER hCipher, void const *pvKey, size_t cbKey, + void const *pvInitVector, size_t cbInitVector, + void const *pvAuthData, size_t cbAuthData, + PRTCRCIPHERCTX phCipherCtx); +RTDECL(int) RTCrCipherCtxEncryptProcess(RTCRCIPHERCTX hCipherCtx, void const *pvPlainText, size_t cbPlainText, + void *pvEncrypted, size_t cbEncrypted, size_t *pcbEncrypted); +RTDECL(int) RTCrCipherCtxEncryptFinish(RTCRCIPHERCTX hCipherCtx, + void *pvEncrypted, size_t *pcbEncrypted, + void *pvTag, size_t cbTag, size_t *pcbTag); + +RTDECL(int) RTCrCipherCtxDecryptInit(RTCRCIPHER hCipher, void const *pvKey, size_t cbKey, + void const *pvInitVector, size_t cbInitVector, + void const *pvAuthData, size_t cbAuthData, + void *pvTag, size_t cbTag, PRTCRCIPHERCTX phCipherCtx); +RTDECL(int) RTCrCipherCtxDecryptProcess(RTCRCIPHERCTX hCipherCtx, + void const *pvEncrypted, size_t cbEncrypted, + void *pvPlainText, size_t cbPlainText, size_t *pcbPlainText); +RTDECL(int) RTCrCipherCtxDecryptFinish(RTCRCIPHERCTX hCipherCtx, + void *pvPlainText, size_t *pcbPlainText); + + +RTDECL(int) RTCrCipherEncrypt(RTCRCIPHER hCipher, void const *pvKey, size_t cbKey, + void const *pvInitVector, size_t cbInitVector, + void const *pvPlainText, size_t cbPlainText, + void *pvEncrypted, size_t cbEncrypted, size_t *pcbEncrypted); +RTDECL(int) RTCrCipherDecrypt(RTCRCIPHER hCipher, void const *pvKey, size_t cbKey, + void const *pvInitVector, size_t cbInitVector, + void const *pvEncrypted, size_t cbEncrypted, + void *pvPlainText, size_t cbPlainText, size_t *pcbPlainText); +RTDECL(int) RTCrCipherEncryptEx(RTCRCIPHER hCipher, void const *pvKey, size_t cbKey, + void const *pvInitVector, size_t cbInitVector, + void const *pvAuthData, size_t cbAuthData, + void const *pvPlainText, size_t cbPlainText, + void *pvEncrypted, size_t cbEncrypted, size_t *pcbEncrypted, + void *pvTag, size_t cbTag, size_t *pcbTag); +RTDECL(int) RTCrCipherDecryptEx(RTCRCIPHER hCipher, void const *pvKey, size_t cbKey, + void const *pvInitVector, size_t cbInitVector, + void const *pvAuthData, size_t cbAuthData, + void *pvTag, size_t cbTag, + void const *pvEncrypted, size_t cbEncrypted, + void *pvPlainText, size_t cbPlainText, size_t *pcbPlainText); + +/** @} */ + +RT_C_DECLS_END + +#endif /* !IPRT_INCLUDED_crypto_cipher_h */ + |