diff options
Diffstat (limited to 'src/include/ipxe/efi/Protocol/Rng.h')
| -rw-r--r-- | src/include/ipxe/efi/Protocol/Rng.h | 143 |
1 files changed, 6 insertions, 137 deletions
diff --git a/src/include/ipxe/efi/Protocol/Rng.h b/src/include/ipxe/efi/Protocol/Rng.h index 92d648bee..e4ad3d716 100644 --- a/src/include/ipxe/efi/Protocol/Rng.h +++ b/src/include/ipxe/efi/Protocol/Rng.h @@ -8,10 +8,13 @@ SPDX-License-Identifier: BSD-2-Clause-Patent **/ -#ifndef __EFI_RNG_PROTOCOL_H__ -#define __EFI_RNG_PROTOCOL_H__ +#ifndef EFI_RNG_PROTOCOL_H_ +#define EFI_RNG_PROTOCOL_H_ FILE_LICENCE ( BSD2_PATENT ); +FILE_SECBOOT ( PERMITTED ); + +#include <ipxe/efi/Guid/Rng.h> /// /// Global ID for the Random Number Generator Protocol @@ -21,142 +24,8 @@ FILE_LICENCE ( BSD2_PATENT ); 0x3152bca5, 0xeade, 0x433d, {0x86, 0x2e, 0xc0, 0x1c, 0xdc, 0x29, 0x1f, 0x44 } \ } -typedef struct _EFI_RNG_PROTOCOL EFI_RNG_PROTOCOL; - -/// -/// A selection of EFI_RNG_PROTOCOL algorithms. -/// The algorithms listed are optional, not meant to be exhaustive and be argmented by -/// vendors or other industry standards. -/// - -typedef EFI_GUID EFI_RNG_ALGORITHM; - -/// -/// The algorithms corresponds to SP800-90 as defined in -/// NIST SP 800-90, "Recommendation for Random Number Generation Using Deterministic Random -/// Bit Generators", March 2007. -/// -#define EFI_RNG_ALGORITHM_SP800_90_HASH_256_GUID \ - { \ - 0xa7af67cb, 0x603b, 0x4d42, {0xba, 0x21, 0x70, 0xbf, 0xb6, 0x29, 0x3f, 0x96 } \ - } -#define EFI_RNG_ALGORITHM_SP800_90_HMAC_256_GUID \ - { \ - 0xc5149b43, 0xae85, 0x4f53, {0x99, 0x82, 0xb9, 0x43, 0x35, 0xd3, 0xa9, 0xe7 } \ - } -#define EFI_RNG_ALGORITHM_SP800_90_CTR_256_GUID \ - { \ - 0x44f0de6e, 0x4d8c, 0x4045, {0xa8, 0xc7, 0x4d, 0xd1, 0x68, 0x85, 0x6b, 0x9e } \ - } -/// -/// The algorithms correspond to X9.31 as defined in -/// NIST, "Recommended Random Number Generator Based on ANSI X9.31 Appendix A.2.4 Using -/// the 3-Key Triple DES and AES Algorithm", January 2005. -/// -#define EFI_RNG_ALGORITHM_X9_31_3DES_GUID \ - { \ - 0x63c4785a, 0xca34, 0x4012, {0xa3, 0xc8, 0x0b, 0x6a, 0x32, 0x4f, 0x55, 0x46 } \ - } -#define EFI_RNG_ALGORITHM_X9_31_AES_GUID \ - { \ - 0xacd03321, 0x777e, 0x4d3d, {0xb1, 0xc8, 0x20, 0xcf, 0xd8, 0x88, 0x20, 0xc9 } \ - } -/// -/// The "raw" algorithm, when supported, is intended to provide entropy directly from -/// the source, without it going through some deterministic random bit generator. -/// -#define EFI_RNG_ALGORITHM_RAW \ - { \ - 0xe43176d7, 0xb6e8, 0x4827, {0xb7, 0x84, 0x7f, 0xfd, 0xc4, 0xb6, 0x85, 0x61 } \ - } -/// -/// The Arm Architecture states the RNDR that the DRBG algorithm should be compliant -/// with NIST SP800-90A, while not mandating a particular algorithm, so as to be -/// inclusive of different geographies. -/// -#define EFI_RNG_ALGORITHM_ARM_RNDR \ - { \ - 0x43d2fde3, 0x9d4e, 0x4d79, {0x02, 0x96, 0xa8, 0x9b, 0xca, 0x78, 0x08, 0x41} \ - } - -/** - Returns information about the random number generation implementation. - - @param[in] This A pointer to the EFI_RNG_PROTOCOL instance. - @param[in,out] RNGAlgorithmListSize On input, the size in bytes of RNGAlgorithmList. - On output with a return code of EFI_SUCCESS, the size - in bytes of the data returned in RNGAlgorithmList. On output - with a return code of EFI_BUFFER_TOO_SMALL, - the size of RNGAlgorithmList required to obtain the list. - @param[out] RNGAlgorithmList A caller-allocated memory buffer filled by the driver - with one EFI_RNG_ALGORITHM element for each supported - RNG algorithm. The list must not change across multiple - calls to the same driver. The first algorithm in the list - is the default algorithm for the driver. - - @retval EFI_SUCCESS The RNG algorithm list was returned successfully. - @retval EFI_UNSUPPORTED The services is not supported by this driver. - @retval EFI_DEVICE_ERROR The list of algorithms could not be retrieved due to a - hardware or firmware error. - @retval EFI_INVALID_PARAMETER One or more of the parameters are incorrect. - @retval EFI_BUFFER_TOO_SMALL The buffer RNGAlgorithmList is too small to hold the result. - -**/ -typedef -EFI_STATUS -(EFIAPI *EFI_RNG_GET_INFO)( - IN EFI_RNG_PROTOCOL *This, - IN OUT UINTN *RNGAlgorithmListSize, - OUT EFI_RNG_ALGORITHM *RNGAlgorithmList - ); - -/** - Produces and returns an RNG value using either the default or specified RNG algorithm. - - @param[in] This A pointer to the EFI_RNG_PROTOCOL instance. - @param[in] RNGAlgorithm A pointer to the EFI_RNG_ALGORITHM that identifies the RNG - algorithm to use. May be NULL in which case the function will - use its default RNG algorithm. - @param[in] RNGValueLength The length in bytes of the memory buffer pointed to by - RNGValue. The driver shall return exactly this numbers of bytes. - @param[out] RNGValue A caller-allocated memory buffer filled by the driver with the - resulting RNG value. - - @retval EFI_SUCCESS The RNG value was returned successfully. - @retval EFI_UNSUPPORTED The algorithm specified by RNGAlgorithm is not supported by - this driver. - @retval EFI_DEVICE_ERROR An RNG value could not be retrieved due to a hardware or - firmware error. - @retval EFI_NOT_READY There is not enough random data available to satisfy the length - requested by RNGValueLength. - @retval EFI_INVALID_PARAMETER RNGValue is NULL or RNGValueLength is zero. - -**/ -typedef -EFI_STATUS -(EFIAPI *EFI_RNG_GET_RNG)( - IN EFI_RNG_PROTOCOL *This, - IN EFI_RNG_ALGORITHM *RNGAlgorithm OPTIONAL, - IN UINTN RNGValueLength, - OUT UINT8 *RNGValue - ); - -/// -/// The Random Number Generator (RNG) protocol provides random bits for use in -/// applications, or entropy for seeding other random number generators. -/// -struct _EFI_RNG_PROTOCOL { - EFI_RNG_GET_INFO GetInfo; - EFI_RNG_GET_RNG GetRNG; -}; +typedef EFI_RNG_INTERFACE EFI_RNG_PROTOCOL; extern EFI_GUID gEfiRngProtocolGuid; -extern EFI_GUID gEfiRngAlgorithmSp80090Hash256Guid; -extern EFI_GUID gEfiRngAlgorithmSp80090Hmac256Guid; -extern EFI_GUID gEfiRngAlgorithmSp80090Ctr256Guid; -extern EFI_GUID gEfiRngAlgorithmX9313DesGuid; -extern EFI_GUID gEfiRngAlgorithmX931AesGuid; -extern EFI_GUID gEfiRngAlgorithmRaw; -extern EFI_GUID gEfiRngAlgorithmArmRndr; #endif |