You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
230 lines
14 KiB
230 lines
14 KiB
/** @file
|
|
EFI_PKCS7_VERIFY_PROTOCOL as defined in UEFI 2.5.
|
|
The EFI_PKCS7_VERIFY_PROTOCOL is used to verify data signed using PKCS#7
|
|
formatted authentication. The PKCS#7 data to be verified must be binary
|
|
DER encoded.
|
|
PKCS#7 is a general-purpose cryptographic standard (defined by RFC2315,
|
|
available at http://tools.ietf.org/html/rfc2315).
|
|
|
|
Copyright (c) 2015 - 2017, Intel Corporation. All rights reserved.<BR>
|
|
This program and the accompanying materials are licensed and made available under
|
|
the terms and conditions of the BSD License that accompanies this distribution.
|
|
The full text of the license may be found at
|
|
http://opensource.org/licenses/bsd-license.php.
|
|
|
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
|
|
**/
|
|
|
|
#ifndef __EFI_PKCS7_VERIFY_PROTOCOL_H__
|
|
#define __EFI_PKCS7_VERIFY_PROTOCOL_H__
|
|
|
|
#include <Guid/ImageAuthentication.h>
|
|
|
|
///
|
|
/// Global ID for the PKCS7 Verification Protocol
|
|
///
|
|
#define EFI_PKCS7_VERIFY_PROTOCOL_GUID \
|
|
{ \
|
|
0x47889fb2, 0xd671, 0x4fab, {0xa0, 0xca, 0xdf, 0x0e, 0x44, 0xdf, 0x70, 0xd6 } \
|
|
}
|
|
|
|
typedef struct _EFI_PKCS7_VERIFY_PROTOCOL EFI_PKCS7_VERIFY_PROTOCOL;
|
|
|
|
|
|
/**
|
|
Processes a buffer containing binary DER-encoded PKCS7 signature.
|
|
The signed data content may be embedded within the buffer or separated. Funtion
|
|
verifies the signature of the content is valid and signing certificate was not
|
|
revoked and is contained within a list of trusted signers.
|
|
|
|
@param[in] This Pointer to EFI_PKCS7_VERIFY_PROTOCOL instance.
|
|
@param[in] SignedData Points to buffer containing ASN.1 DER-encoded PKCS7
|
|
signature.
|
|
@param[in] SignedDataSize The size of SignedData buffer in bytes.
|
|
@param[in] InData In case of detached signature, InData points to
|
|
buffer containing the raw message data previously
|
|
signed and to be verified by function. In case of
|
|
SignedData containing embedded data, InData must be
|
|
NULL.
|
|
@param[in] InDataSize When InData is used, the size of InData buffer in
|
|
bytes. When InData is NULL. This parameter must be
|
|
0.
|
|
@param[in] AllowedDb Pointer to a list of pointers to EFI_SIGNATURE_LIST
|
|
structures. The list is terminated by a null
|
|
pointer. The EFI_SIGNATURE_LIST structures contain
|
|
lists of X.509 certificates of approved signers.
|
|
Function recognizes signer certificates of type
|
|
EFI_CERT_X509_GUID. Any hash certificate in AllowedDb
|
|
list is ignored by this function. Function returns
|
|
success if signer of the buffer is within this list
|
|
(and not within RevokedDb). This parameter is
|
|
required.
|
|
@param[in] RevokedDb Optional pointer to a list of pointers to
|
|
EFI_SIGNATURE_LIST structures. The list is terminated
|
|
by a null pointer. List of X.509 certificates of
|
|
revoked signers and revoked file hashes. Except as
|
|
noted in description of TimeStampDb signature
|
|
verification will always fail if the signer of the
|
|
file or the hash of the data component of the buffer
|
|
is in RevokedDb list. This list is optional and
|
|
caller may pass Null or pointer to NULL if not
|
|
required.
|
|
@param[in] TimeStampDb Optional pointer to a list of pointers to
|
|
EFI_SIGNATURE_LIST structures. The list is terminated
|
|
by a null pointer. This parameter can be used to pass
|
|
a list of X.509 certificates of trusted time stamp
|
|
signers. This list is optional and caller must pass
|
|
Null or pointer to NULL if not required.
|
|
@param[out] Content On input, points to an optional caller-allocated
|
|
buffer into which the function will copy the content
|
|
portion of the file after verification succeeds.
|
|
This parameter is optional and if NULL, no copy of
|
|
content from file is performed.
|
|
@param[in,out] ContentSize On input, points to the size in bytes of the optional
|
|
buffer Content previously allocated by caller. On
|
|
output, if the verification succeeds, the value
|
|
referenced by ContentSize will contain the actual
|
|
size of the content from signed file. If ContentSize
|
|
indicates the caller-allocated buffer is too small
|
|
to contain content, an error is returned, and
|
|
ContentSize will be updated with the required size.
|
|
This parameter must be 0 if Content is Null.
|
|
|
|
@retval EFI_SUCCESS Content signature was verified against hash of
|
|
content, the signer's certificate was not found in
|
|
RevokedDb, and was found in AllowedDb or if in signer
|
|
is found in both AllowedDb and RevokedDb, the
|
|
signing was allowed by reference to TimeStampDb as
|
|
described above, and no hash matching content hash
|
|
was found in RevokedDb.
|
|
@retval EFI_SECURITY_VIOLATION The SignedData buffer was correctly formatted but
|
|
signer was in RevokedDb or not in AllowedDb. Also
|
|
returned if matching content hash found in RevokedDb.
|
|
@retval EFI_COMPROMISED_DATA Calculated hash differs from signed hash.
|
|
@retval EFI_INVALID_PARAMETER SignedData is NULL or SignedDataSize is zero.
|
|
AllowedDb is NULL.
|
|
@retval EFI_INVALID_PARAMETER Content is not NULL and ContentSize is NULL.
|
|
@retval EFI_ABORTED Unsupported or invalid format in TimeStampDb,
|
|
RevokedDb or AllowedDb list contents was detected.
|
|
@retval EFI_NOT_FOUND Content not found because InData is NULL and no
|
|
content embedded in SignedData.
|
|
@retval EFI_UNSUPPORTED The SignedData buffer was not correctly formatted
|
|
for processing by the function.
|
|
@retval EFI_UNSUPPORTED Signed data embedded in SignedData but InData is not
|
|
NULL.
|
|
@retval EFI_BUFFER_TOO_SMALL The size of buffer indicated by ContentSize is too
|
|
small to hold the content. ContentSize updated to
|
|
required size.
|
|
|
|
**/
|
|
typedef
|
|
EFI_STATUS
|
|
(EFIAPI *EFI_PKCS7_VERIFY_BUFFER) (
|
|
IN EFI_PKCS7_VERIFY_PROTOCOL *This,
|
|
IN VOID *SignedData,
|
|
IN UINTN SignedDataSize,
|
|
IN VOID *InData OPTIONAL,
|
|
IN UINTN InDataSize,
|
|
IN EFI_SIGNATURE_LIST **AllowedDb,
|
|
IN EFI_SIGNATURE_LIST **RevokedDb OPTIONAL,
|
|
IN EFI_SIGNATURE_LIST **TimeStampDb OPTIONAL,
|
|
OUT VOID *Content OPTIONAL,
|
|
IN OUT UINTN *ContentSize
|
|
);
|
|
|
|
/**
|
|
Processes a buffer containing binary DER-encoded detached PKCS7 signature.
|
|
The hash of the signed data content is calculated and passed by the caller. Function
|
|
verifies the signature of the content is valid and signing certificate was not revoked
|
|
and is contained within a list of trusted signers.
|
|
|
|
Note: because this function uses hashes and the specification contains a variety of
|
|
hash choices, you should be aware that the check against the RevokedDb list
|
|
will improperly succeed if the signature is revoked using a different hash
|
|
algorithm. For this reason, you should either cycle through all UEFI supported
|
|
hashes to see if one is forbidden, or rely on a single hash choice only if the
|
|
UEFI signature authority only signs and revokes with a single hash (at time
|
|
of writing, this hash choice is SHA256).
|
|
|
|
@param[in] This Pointer to EFI_PKCS7_VERIFY_PROTOCOL instance.
|
|
@param[in] Signature Points to buffer containing ASN.1 DER-encoded PKCS
|
|
detached signature.
|
|
@param[in] SignatureSize The size of Signature buffer in bytes.
|
|
@param[in] InHash InHash points to buffer containing the caller
|
|
calculated hash of the data. The parameter may not
|
|
be NULL.
|
|
@param[in] InHashSize The size in bytes of InHash buffer.
|
|
@param[in] AllowedDb Pointer to a list of pointers to EFI_SIGNATURE_LIST
|
|
structures. The list is terminated by a null
|
|
pointer. The EFI_SIGNATURE_LIST structures contain
|
|
lists of X.509 certificates of approved signers.
|
|
Function recognizes signer certificates of type
|
|
EFI_CERT_X509_GUID. Any hash certificate in AllowedDb
|
|
list is ignored by this function. Function returns
|
|
success if signer of the buffer is within this list
|
|
(and not within RevokedDb). This parameter is
|
|
required.
|
|
@param[in] RevokedDb Optional pointer to a list of pointers to
|
|
EFI_SIGNATURE_LIST structures. The list is terminated
|
|
by a null pointer. List of X.509 certificates of
|
|
revoked signers and revoked file hashes. Signature
|
|
verification will always fail if the signer of the
|
|
file or the hash of the data component of the buffer
|
|
is in RevokedDb list. This parameter is optional
|
|
and caller may pass Null if not required.
|
|
@param[in] TimeStampDb Optional pointer to a list of pointers to
|
|
EFI_SIGNATURE_LIST structures. The list is terminated
|
|
by a null pointer. This parameter can be used to pass
|
|
a list of X.509 certificates of trusted time stamp
|
|
counter-signers.
|
|
|
|
@retval EFI_SUCCESS Signed hash was verified against caller-provided
|
|
hash of content, the signer's certificate was not
|
|
found in RevokedDb, and was found in AllowedDb or
|
|
if in signer is found in both AllowedDb and
|
|
RevokedDb, the signing was allowed by reference to
|
|
TimeStampDb as described above, and no hash matching
|
|
content hash was found in RevokedDb.
|
|
@retval EFI_SECURITY_VIOLATION The SignedData buffer was correctly formatted but
|
|
signer was in RevokedDb or not in AllowedDb. Also
|
|
returned if matching content hash found in RevokedDb.
|
|
@retval EFI_COMPROMISED_DATA Caller provided hash differs from signed hash. Or,
|
|
caller and encrypted hash are different sizes.
|
|
@retval EFI_INVALID_PARAMETER Signature is NULL or SignatureSize is zero. InHash
|
|
is NULL or InHashSize is zero. AllowedDb is NULL.
|
|
@retval EFI_ABORTED Unsupported or invalid format in TimeStampDb,
|
|
RevokedDb or AllowedDb list contents was detected.
|
|
@retval EFI_UNSUPPORTED The Signature buffer was not correctly formatted
|
|
for processing by the function.
|
|
|
|
**/
|
|
typedef
|
|
EFI_STATUS
|
|
(EFIAPI *EFI_PKCS7_VERIFY_SIGNATURE) (
|
|
IN EFI_PKCS7_VERIFY_PROTOCOL *This,
|
|
IN VOID *Signature,
|
|
IN UINTN SignatureSize,
|
|
IN VOID *InHash,
|
|
IN UINTN InHashSize,
|
|
IN EFI_SIGNATURE_LIST **AllowedDb,
|
|
IN EFI_SIGNATURE_LIST **RevokedDb OPTIONAL,
|
|
IN EFI_SIGNATURE_LIST **TimeStampDb OPTIONAL
|
|
);
|
|
|
|
///
|
|
/// The EFI_PKCS7_VERIFY_PROTOCOL is used to verify data signed using PKCS7
|
|
/// structure. The PKCS7 data to be verified must be ASN.1 (DER) encoded.
|
|
/// SHA256 must be supported as digest algorithm with RSA digest encryption.
|
|
/// Support of other hash algorithms is optional.
|
|
///
|
|
struct _EFI_PKCS7_VERIFY_PROTOCOL {
|
|
EFI_PKCS7_VERIFY_BUFFER VerifyBuffer;
|
|
EFI_PKCS7_VERIFY_SIGNATURE VerifySignature;
|
|
};
|
|
|
|
extern EFI_GUID gEfiPkcs7VerifyProtocolGuid;
|
|
|
|
#endif
|