| 1 | /** @file
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| 2 | * IPRT - Public Key Infrastructure APIs.
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| 3 | */
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| 4 |
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| 5 | /*
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| 6 | * Copyright (C) 2006-2014 Oracle Corporation
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| 7 | *
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| 8 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 9 | * available from http://www.virtualbox.org. This file is free software;
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| 10 | * you can redistribute it and/or modify it under the terms of the GNU
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| 11 | * General Public License (GPL) as published by the Free Software
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| 12 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 13 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 14 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 15 | *
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| 16 | * The contents of this file may alternatively be used under the terms
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| 17 | * of the Common Development and Distribution License Version 1.0
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| 18 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 19 | * VirtualBox OSE distribution, in which case the provisions of the
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| 20 | * CDDL are applicable instead of those of the GPL.
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| 21 | *
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| 22 | * You may elect to license modified versions of this file under the
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| 23 | * terms and conditions of either the GPL or the CDDL or both.
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| 24 | */
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| 25 |
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| 26 | #ifndef ___iprt_crypto_pkix_h
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| 27 | #define ___iprt_crypto_pkix_h
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| 28 |
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| 29 | #include <iprt/asn1.h>
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| 30 |
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| 31 |
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| 32 | RT_C_DECLS_BEGIN
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| 33 |
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| 34 | /** @defgroup grp_rt_crpkix RTCrPkix - Public Key Infrastructure APIs
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| 35 | * @ingroup grp_rt_crypto
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| 36 | * @{
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| 37 | */
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| 38 |
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| 39 | /**
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| 40 | * Verifies the signature (@a pSignatureValue) of the give data (@a pvData)
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| 41 | * using the specfied public key (@a pPublicKey) and algorithm.
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| 42 | *
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| 43 | * @returns IPRT status code.
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| 44 | * @param pAlgorithm The signature algorithm (digest w/ cipher).
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| 45 | * @param pParameters Parameter to the public key algorithm. Optional.
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| 46 | * @param pPublicKey The public key.
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| 47 | * @param pSignatureValue The signature value.
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| 48 | * @param pvData The signed data.
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| 49 | * @param cbData The amount of signed data.
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| 50 | * @param pErrInfo Where to return extended error info. Optional.
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| 51 | */
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| 52 | RTDECL(int) RTCrPkixPubKeyVerifySignature(PCRTASN1OBJID pAlgorithm, PCRTASN1DYNTYPE pParameters, PCRTASN1BITSTRING pPublicKey,
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| 53 | PCRTASN1BITSTRING pSignatureValue, const void *pvData, size_t cbData,
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| 54 | PRTERRINFO pErrInfo);
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| 55 |
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| 56 |
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| 57 | /**
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| 58 | * Gets the cipher OID matching the given signature algorithm.
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| 59 | *
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| 60 | * @returns Cipher OID string on success, NULL on failure.
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| 61 | * @param pAlgorithm The signature algorithm (digest w/ cipher).
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| 62 | */
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| 63 | RTDECL(const char *) RTCrPkixGetCiperOidFromSignatureAlgorithm(PCRTASN1OBJID pAlgorithm);
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| 64 |
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| 65 |
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| 66 | /** @name PKCS-1 Object Identifiers (OIDs)
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| 67 | * @{ */
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| 68 | #define RTCR_PKCS1_OID "1.2.840.113549.1.1"
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| 69 | #define RTCR_PKCS1_RSA_OID "1.2.840.113549.1.1.1"
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| 70 | #define RTCR_PKCS1_MD2_WITH_RSA_OID "1.2.840.113549.1.1.2"
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| 71 | #define RTCR_PKCS1_MD4_WITH_RSA_OID "1.2.840.113549.1.1.3"
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| 72 | #define RTCR_PKCS1_MD5_WITH_RSA_OID "1.2.840.113549.1.1.4"
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| 73 | #define RTCR_PKCS1_SHA1_WITH_RSA_OID "1.2.840.113549.1.1.5"
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| 74 | #define RTCR_PKCS1_RSA_OAEP_ENCRYPTION_SET_OID "1.2.840.113549.1.1.6"
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| 75 | #define RTCR_PKCS1_RSA_AES_OAEP_OID "1.2.840.113549.1.1.7"
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| 76 | #define RTCR_PKCS1_MSGF1_OID "1.2.840.113549.1.1.8"
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| 77 | #define RTCR_PKCS1_P_SPECIFIED_OID "1.2.840.113549.1.1.9"
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| 78 | #define RTCR_PKCS1_RSASSA_PSS_OID "1.2.840.113549.1.1.10"
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| 79 | #define RTCR_PKCS1_SHA256_WITH_RSA_OID "1.2.840.113549.1.1.11"
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| 80 | #define RTCR_PKCS1_SHA384_WITH_RSA_OID "1.2.840.113549.1.1.12"
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| 81 | #define RTCR_PKCS1_SHA512_WITH_RSA_OID "1.2.840.113549.1.1.13"
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| 82 | #define RTCR_PKCS1_SHA224_WITH_RSA_OID "1.2.840.113549.1.1.14"
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| 83 | /** @} */
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| 84 |
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| 85 |
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| 86 | /**
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| 87 | * Public key signature scheme provider descriptor.
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| 88 | */
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| 89 | typedef struct RTCRPKIXSIGNATUREDESC
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| 90 | {
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| 91 | /** The signature scheme provider name. */
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| 92 | const char *pszName;
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| 93 | /** The object ID string. */
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| 94 | const char *pszObjId;
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| 95 | /** Pointer to a NULL terminated table of alias object IDs (optional). */
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| 96 | const char * const *papszObjIdAliases;
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| 97 | /** The size of the state. */
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| 98 | uint32_t cbState;
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| 99 | /** Reserved for future / explicit padding. */
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| 100 | uint32_t uReserved;
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| 101 | /** Provider specific field. This generally indicates the kind of padding
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| 102 | * scheme to employ with the given OID. */
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| 103 | uintptr_t uProviderSpecific;
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| 104 |
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| 105 | /**
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| 106 | * Initializes the state of the signature scheme provider.
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| 107 | *
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| 108 | * Optional, RT_BZERO will be used if NULL.
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| 109 | *
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| 110 | * @returns IPRT status code.
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| 111 | * @param pDesc Pointer to this structure (for uProviderSpecific).
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| 112 | * @param pvState The opaque provider state.
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| 113 | * @param pvOpaque Opaque provider specific parameter.
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| 114 | * @param fSigning Set if a signing operation is going to be performed,
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| 115 | * clear if it is a verification. This is a fixed
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| 116 | * setting for the lifetime of the instance due to the
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| 117 | * algorithm requiring different keys.
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| 118 | * @param pKey The key to use (whether private or public depends on
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| 119 | * the operation).
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| 120 | * @param pParams Algorithm/key parameters, optional. Will be NULL if
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| 121 | * none.
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| 122 | */
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| 123 | DECLCALLBACKMEMBER(int, pfnInit)(struct RTCRPKIXSIGNATUREDESC const *pDesc, void *pvState, void *pvOpaque, bool fSigning,
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| 124 | PCRTASN1BITSTRING pKey, PCRTASN1DYNTYPE pParams);
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| 125 |
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| 126 | /**
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| 127 | * Resets the state before performing another signing or verification.
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| 128 | *
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| 129 | * Optional. It is assumed that the provider does not have any state needing to
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| 130 | * be re-initialized if this method is not implemented.
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| 131 | *
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| 132 | * @returns IPRT status code.
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| 133 | * @param pDesc Pointer to this structure (for uProviderSpecific).
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| 134 | * @param pvState The opaque provider state.
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| 135 | * @param fSigning Exactly the same value as the init call.
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| 136 | */
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| 137 | DECLCALLBACKMEMBER(int, pfnReset)(struct RTCRPKIXSIGNATUREDESC const *pDesc, void *pvState, bool fSigning);
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| 138 |
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| 139 | /**
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| 140 | * Deletes the provider state. Optional.
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| 141 | *
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| 142 | * The state will be securely wiped clean after the call, regardless of whether
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| 143 | * the method is implemented or not.
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| 144 | *
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| 145 | * @param pDesc Pointer to this structure (for uProviderSpecific).
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| 146 | * @param pvState The opaque provider state.
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| 147 | * @param fSigning Exactly the same value as the init call.
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| 148 | */
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| 149 | DECLCALLBACKMEMBER(void, pfnDelete)(struct RTCRPKIXSIGNATUREDESC const *pDesc, void *pvState, bool fSigning);
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| 150 |
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| 151 | /**
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| 152 | * Verifies a signed message digest (fSigning = false).
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| 153 | *
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| 154 | * @returns IPRT status code.
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| 155 | * @retval VINF_SUCCESS if the signature checked out correctly.
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| 156 | * @retval VERR_PKIX_KEY wrong key or some other key issue.
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| 157 | *
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| 158 | * @param pDesc Pointer to this structure (for uProviderSpecific).
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| 159 | * @param pvState The opaque provider state.
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| 160 | * @param hDigest The handle to the digest. Call RTCrDigestFinal to
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| 161 | * complete and retreive the final hash value.
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| 162 | * @param pvSignature The signature to validate.
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| 163 | * @param cbSignature The size of the signature (in bytes).
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| 164 | */
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| 165 | DECLCALLBACKMEMBER(int, pfnVerify)(struct RTCRPKIXSIGNATUREDESC const *pDesc, void *pvState,
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| 166 | RTCRDIGEST hDigest, void const *pvSignature, size_t cbSignature);
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| 167 |
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| 168 | /**
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| 169 | * Sign a message digest (fSigning = true).
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| 170 | *
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| 171 | * @returns IPRT status code.
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| 172 | * @retval VINF_SUCCESS on success.
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| 173 | * @retval VERR_PKIX_KEY wrong key or some other key issue.
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| 174 | * @retval VERR_BUFFER_OVERFLOW if the signature buffer is too small, the
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| 175 | * require buffer size will be available in @a *pcbSignature.
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| 176 | *
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| 177 | * @param pDesc Pointer to this structure (for uProviderSpecific).
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| 178 | * @param pvState The opaque provider state.
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| 179 | * @param hDigest The handle to the digest. Call RTCrDigestFinal to
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| 180 | * complete and retreive the final hash value.
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| 181 | * @param pvSignature The output signature buffer.
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| 182 | * @param pcbSignature On input the variable pointed to holds the size of
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| 183 | * the buffer @a pvSignature points to.
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| 184 | * On return the variable pointed to is set to the size
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| 185 | * of the returned signature, or the required size in
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| 186 | * case of VERR_BUFFER_OVERFLOW.
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| 187 | */
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| 188 | DECLCALLBACKMEMBER(int, pfnSign)(struct RTCRPKIXSIGNATUREDESC const *pDesc, void *pvState,
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| 189 | RTCRDIGEST hDigest, void *pvSignature, size_t *pcbSignature);
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| 190 |
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| 191 | } RTCRPKIXSIGNATUREDESC;
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| 192 | /** Pointer to a public key signature scheme provider descriptor. */
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| 193 | typedef RTCRPKIXSIGNATUREDESC const *PCRTCRPKIXSIGNATUREDESC;
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| 194 |
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| 195 |
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| 196 | PCRTCRPKIXSIGNATUREDESC RTCrPkixSignatureFindByObjIdString(const char *pszObjId, void *ppvOpaque);
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| 197 | PCRTCRPKIXSIGNATUREDESC RTCrPkixSignatureFindByObjId(PCRTASN1OBJID pObjId, void *ppvOpaque);
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| 198 | RTDECL(int) RTCrPkixSignatureCreateByObjIdString(PRTCRPKIXSIGNATURE phSignature, const char *pszObjId, bool fSigning,
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| 199 | PCRTASN1BITSTRING pKey,PCRTASN1DYNTYPE pParams);
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| 200 | RTDECL(int) RTCrPkixSignatureCreateByObjId(PRTCRPKIXSIGNATURE phSignature, PCRTASN1OBJID pObjId, bool fSigning,
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| 201 | PCRTASN1BITSTRING pKey, PCRTASN1DYNTYPE pParams);
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| 202 |
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| 203 |
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| 204 | RTDECL(int) RTCrPkixSignatureCreate(PRTCRPKIXSIGNATURE phSignature, PCRTCRPKIXSIGNATUREDESC pDesc, void *pvOpaque,
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| 205 | bool fSigning, PCRTASN1BITSTRING pKey, PCRTASN1DYNTYPE pParams);
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| 206 | RTDECL(uint32_t) RTCrPkixSignatureRetain(RTCRPKIXSIGNATURE hSignature);
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| 207 | RTDECL(uint32_t) RTCrPkixSignatureRelease(RTCRPKIXSIGNATURE hSignature);
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| 208 | RTDECL(int) RTCrPkixSignatureVerify(RTCRPKIXSIGNATURE hSignature, RTCRDIGEST hDigest,
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| 209 | void const *pvSignature, size_t cbSignature);
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| 210 | RTDECL(int) RTCrPkixSignatureVerifyBitString(RTCRPKIXSIGNATURE hSignature, RTCRDIGEST hDigest, PCRTASN1BITSTRING pSignature);
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| 211 | RTDECL(int) RTCrPkixSignatureVerifyOctetString(RTCRPKIXSIGNATURE hSignature, RTCRDIGEST hDigest, PCRTASN1OCTETSTRING pSignature);
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| 212 | RTDECL(int) RTCrPkixSignatureSign(RTCRPKIXSIGNATURE hSignature, RTCRDIGEST hDigest,
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| 213 | void *pvSignature, size_t *pcbSignature);
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| 214 |
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| 215 |
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| 216 | /**
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| 217 | * Public key encryption scheme provider descriptor.
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| 218 | *
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| 219 | * @todo This is just a sketch left over from when the signature code was
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| 220 | * chiseled out.
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| 221 | */
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| 222 | typedef struct RTCRPKIXENCRYPTIONDESC
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| 223 | {
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| 224 | /** The encryption scheme provider name. */
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| 225 | const char *pszName;
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| 226 | /** The object ID string. */
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| 227 | const char *pszObjId;
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| 228 | /** Pointer to a NULL terminated table of alias object IDs (optional). */
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| 229 | const char * const *papszObjIdAliases;
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| 230 | /** The size of the state. */
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| 231 | uint32_t cbState;
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| 232 | /** Reserved for future use / padding. */
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| 233 | uint32_t uReserved;
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| 234 | /** Provider specific field. */
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| 235 | uintptr_t uProviderSpecific;
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| 236 |
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| 237 | /**
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| 238 | * Initializes the state for this encryption scheme.
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| 239 | *
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| 240 | * Optional, RT_BZERO will be used if NULL.
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| 241 | *
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| 242 | * @returns IPRT status code.
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| 243 | * @param pDesc Pointer to this structure (so uProviderSpecific can
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| 244 | * be read).
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| 245 | * @param pvState The opaque provider state.
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| 246 | * @param pvOpaque Opaque provider specific parameter.
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| 247 | * @param fEncrypt Set if the instance will be encrypting, clear if it
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| 248 | * will be decrypting. This aspect of the instance is
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| 249 | * immutable due to the algorithm requiring different
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| 250 | * keys for each of the operations.
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| 251 | * @param pKey The key to use (whether private or public depends on
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| 252 | * the operation type).
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| 253 | * @param pParams Algorithm/key parameters, optional. Will be NULL if
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| 254 | * none.
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| 255 | */
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| 256 | DECLCALLBACKMEMBER(int, pfnInit)(struct RTCRPKIXENCRYPTIONDESC const *pDesc, void *pvState, void *pvOpaque, bool fEncrypt,
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| 257 | PCRTASN1BITSTRING pKey, PCRTASN1DYNTYPE pParams);
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| 258 |
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| 259 | /**
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| 260 | * Re-initializes the provider state.
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| 261 | *
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| 262 | * Optional. It is assumed that the provider does not have any state needing
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| 263 | * to be re-initialized if this method is not implemented. (Do not assume that
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| 264 | * a final encrypt/decrypt call has been made prior to this call.)
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| 265 | *
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| 266 | * @returns IPRT status code.
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| 267 | * @param pDesc Pointer to this structure (so uProviderSpecific can
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| 268 | * be read).
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| 269 | * @param pvState The opaque provider state.
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| 270 | * @param enmOperation Same as for the earlier pfnInit call.
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| 271 | */
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| 272 | DECLCALLBACKMEMBER(int, pfnReset)(struct RTCRPKIXENCRYPTIONDESC const *pDesc, void *pvState, bool fEncrypt);
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| 273 |
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| 274 | /**
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| 275 | * Deletes the provider state. Optional.
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| 276 | *
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| 277 | * The state will be securely wiped clean after the call, regardless of whether
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| 278 | * the method is implemented or not.
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| 279 | *
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| 280 | * @param pDesc Pointer to this structure (so uProviderSpecific can
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| 281 | * be read).
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| 282 | * @param pvState The opaque provider state.
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| 283 | * @param enmOperation Same as for the earlier pfnInit call.
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| 284 | */
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| 285 | DECLCALLBACKMEMBER(void, pfnDelete)(struct RTCRPKIXENCRYPTIONDESC const *pDesc, void *pvState, bool fEncrypt);
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| 286 |
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| 287 | /**
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| 288 | * Encrypt using the public key (fEncrypt = true).
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| 289 | *
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| 290 | * @returns IPRT status code.
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| 291 | * @retval VINF_SUCCESS on success.
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| 292 | * @retval VERR_PKIX_KEY wrong key or some other key issue.
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| 293 | * @retval VERR_BUFFER_OVERFLOW if the output buffer is too small, the require
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| 294 | * buffer size will be available in @a *pcbCiphertext. The caller can
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| 295 | * should retry the call with a larger buffer.
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| 296 | *
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| 297 | * @param pDesc Pointer to this structure (so uProviderSpecific can
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| 298 | * be read).
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| 299 | * @param pvState The opaque provider state.
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| 300 | * @param pvPlaintext The plaintext to encrypt.
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| 301 | * @param cbPlaintext The number of bytes of plaintext.
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| 302 | * @param pvCiphertext Where to return the ciphertext (if any).
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| 303 | * @param cbMaxCiphertext The size of the buffer @a pvCiphertext points to.
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| 304 | * @param pcbCiphertext Where to return the actual number of bytes of
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| 305 | * ciphertext returned.
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| 306 | * @param fFinal Whether this is the final call.
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| 307 | */
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| 308 | DECLCALLBACKMEMBER(int, pfnEncrypt)(struct RTCRPKIXENCRYPTIONDESC const *pDesc, void *pvState,
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| 309 | void const *pvPlaintext, size_t cbPlaintext,
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| 310 | void *pvCiphertext, size_t cbMaxCiphertext, size_t *pcbCiphertext, bool fFinal);
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| 311 |
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| 312 | /**
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| 313 | * Calculate the output buffer size for the next pfnEncrypt call.
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| 314 | *
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| 315 | * @returns IPRT status code.
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| 316 | * @param pDesc Pointer to this structure (so uProviderSpecific can
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| 317 | * be read).
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| 318 | * @param pvState The opaque provider state.
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| 319 | * @param cbPlaintext The number of bytes of plaintext.
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| 320 | * @param pcbCiphertext Where to return the minimum buffer size. This may
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| 321 | * be larger than the actual number of bytes return.
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| 322 | * @param fFinal Whether this is the final call.
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| 323 | */
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| 324 | DECLCALLBACKMEMBER(int, pfnEncryptLength)(struct RTCRPKIXENCRYPTIONDESC const *pDesc, void *pvState,
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| 325 | size_t cbPlaintext, size_t *pcbCiphertext, bool fFinal);
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| 326 |
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| 327 | /**
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| 328 | * Decrypt using the private key (fEncrypt = false).
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| 329 | *
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| 330 | * @returns IPRT status code.
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| 331 | * @retval VINF_SUCCESS on success.
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| 332 | * @retval VERR_PKIX_KEY wrong key or some other key issue.
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| 333 | * @retval VERR_BUFFER_OVERFLOW if the output buffer is too small, the require
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| 334 | * buffer size will be available in @a *pcbCiphertext. The caller can
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| 335 | * should retry the call with a larger buffer.
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| 336 | *
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| 337 | * @param pDesc Pointer to this structure (so uProviderSpecific can
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| 338 | * be read).
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| 339 | * @param pvState The opaque provider state.
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| 340 | * @param pvCiphertext The ciphertext to decrypt.
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| 341 | * @param cbCiphertext The number of bytes of ciphertext.
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| 342 | * @param pvPlaintext Where to return the plaintext (if any).
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| 343 | * @param cbMaxPlaintext The size of the buffer @a pvPlaintext points to.
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| 344 | * @param pcbPlaintext Where to return the actual number of bytes of
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| 345 | * plaintext returned.
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| 346 | * @param fFinal Whether this is the final call.
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| 347 | */
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| 348 | DECLCALLBACKMEMBER(int, pfnDecrypt)(struct RTCRPKIXENCRYPTIONDESC const *pDesc, void *pvState,
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| 349 | void const *pvCiphertext, size_t cbCiphertext,
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| 350 | void *pvPlaintext, size_t cbMaxPlaintext, size_t *pcbPlaintext, bool fFinal);
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| 351 |
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| 352 | /**
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| 353 | * Calculate the output buffer size for the next pfnDecrypt call.
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| 354 | *
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| 355 | * @returns IPRT status code.
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| 356 | * @param pDesc Pointer to this structure (so uProviderSpecific can
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| 357 | * be read).
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| 358 | * @param pvState The opaque provider state.
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| 359 | * @param cbCiphertext The number of bytes of ciphertext.
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| 360 | * @param pcbPlaintext Where to return the minimum buffer size. This may
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| 361 | * be larger than the actual number of bytes return.
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| 362 | * @param fFinal Whether this is the final call.
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| 363 | */
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| 364 | DECLCALLBACKMEMBER(int, pfnDecryptLength)(struct RTCRPKIXENCRYPTIONDESC const *pDesc, void *pvState,
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| 365 | size_t cbCiphertext, size_t *pcbPlaintext, bool fFinal);
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| 366 | } RTCRPKIXENCRYPTIONDESC;
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| 367 | /** Pointer to a public key encryption schema provider descriptor. */
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| 368 | typedef RTCRPKIXENCRYPTIONDESC const *PCRTCRPKIXENCRYPTIONDESC;
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| 369 |
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| 370 |
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| 371 | PCRTCRPKIXENCRYPTIONDESC RTCrPkixEncryptionFindByObjIdString(const char *pszObjId, void *ppvOpaque);
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| 372 | PCRTCRPKIXENCRYPTIONDESC RTCrPkixEncryptionFindByObjId(PCRTASN1OBJID pObjId, void *ppvOpaque);
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| 373 | RTDECL(int) RTCrPkixEncryptionCreateByObjIdString(PRTCRPKIXENCRYPTION phEncryption, const char *pszObjId,
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| 374 | bool fEncrypt, PCRTASN1BITSTRING pKey,PCRTASN1DYNTYPE pParams);
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| 375 | RTDECL(int) RTCrPkixEncryptionCreateByObjId(PRTCRPKIXENCRYPTION phEncryption, PCRTASN1OBJID pObjId, bool fEncrypt,
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| 376 | PCRTASN1BITSTRING pKey, PCRTASN1DYNTYPE pParams);
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| 377 |
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| 378 |
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| 379 | RTDECL(int) RTCrPkixEncryptionCreate(PRTCRPKIXENCRYPTION phEncryption, PCRTCRPKIXENCRYPTIONDESC pDesc, void *pvOpaque,
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| 380 | bool fEncrypt, PCRTASN1BITSTRING pKey, PCRTASN1DYNTYPE pParams);
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| 381 | RTDECL(int) RTCrPkixEncryptionReset(RTCRPKIXENCRYPTION hEncryption);
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| 382 | RTDECL(uint32_t) RTCrPkixEncryptionRetain(RTCRPKIXENCRYPTION hEncryption);
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| 383 | RTDECL(uint32_t) RTCrPkixEncryptionRelease(RTCRPKIXENCRYPTION hEncryption);
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| 384 |
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| 385 |
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| 386 | /** @} */
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| 387 |
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| 388 | RT_C_DECLS_END
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| 389 |
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| 390 | #endif
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| 391 |
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