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/** @file
This file contains UEFI wrapper functions for RSA PKCS1v2 OAEP encryption routines.
SPDX-License-Identifier: BSD-2-Clause-Patent
Copyright (C) Microsoft Corporation. All Rights Reserved.
Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
**/
#include "InternalCryptLib.h"
/**
Encrypts a blob using PKCS1v2 (RSAES-OAEP) schema. On success, will return the
encrypted message in a newly allocated buffer.
Return FALSE to indicate this interface is not supported.
@param[in] PublicKey A pointer to the DER-encoded X509 certificate that
will be used to encrypt the data.
@param[in] PublicKeySize Size of the X509 cert buffer.
@param[in] InData Data to be encrypted.
@param[in] InDataSize Size of the data buffer.
@param[in] PrngSeed [Optional] If provided, a pointer to a random seed buffer
to be used when initializing the PRNG. NULL otherwise.
@param[in] PrngSeedSize [Optional] If provided, size of the random seed buffer.
0 otherwise.
@param[out] EncryptedData Pointer to an allocated buffer containing the encrypted
message.
@param[out] EncryptedDataSize Size of the encrypted message buffer.
@retval FALSE This interface is not supported.
**/
BOOLEAN
EFIAPI
Pkcs1v2Encrypt (
IN CONST UINT8 *PublicKey,
IN UINTN PublicKeySize,
IN UINT8 *InData,
IN UINTN InDataSize,
IN CONST UINT8 *PrngSeed OPTIONAL,
IN UINTN PrngSeedSize OPTIONAL,
OUT UINT8 **EncryptedData,
OUT UINTN *EncryptedDataSize
)
{
ASSERT (FALSE);
return FALSE;
}
/**
Encrypts a blob using PKCS1v2 (RSAES-OAEP) schema. On success, will return the
encrypted message in a newly allocated buffer.
Things that can cause a failure include:
- X509 key size does not match any known key size.
- Fail to allocate an intermediate buffer.
- Null pointer provided for a non-optional parameter.
- Data size is too large for the provided key size (max size is a function of key size
and hash digest size).
@param[in] RsaContext A pointer to an RSA context created by RsaNew() and
provisioned with a public key using RsaSetKey().
@param[in] InData Data to be encrypted.
@param[in] InDataSize Size of the data buffer.
@param[in] PrngSeed [Optional] If provided, a pointer to a random seed buffer
to be used when initializing the PRNG. NULL otherwise.
@param[in] PrngSeedSize [Optional] If provided, size of the random seed buffer.
0 otherwise.
@param[in] DigestLen [Optional] If provided, size of the hash used:
SHA1_DIGEST_SIZE
SHA256_DIGEST_SIZE
SHA384_DIGEST_SIZE
SHA512_DIGEST_SIZE
0 to use default (SHA1)
@param[out] EncryptedData Pointer to an allocated buffer containing the encrypted
message.
@param[out] EncryptedDataSize Size of the encrypted message buffer.
@retval TRUE Encryption was successful.
@retval FALSE Encryption failed.
**/
BOOLEAN
EFIAPI
RsaOaepEncrypt (
IN VOID *RsaContext,
IN UINT8 *InData,
IN UINTN InDataSize,
IN CONST UINT8 *PrngSeed OPTIONAL,
IN UINTN PrngSeedSize OPTIONAL,
IN UINT16 DigestLen OPTIONAL,
OUT UINT8 **EncryptedData,
OUT UINTN *EncryptedDataSize
)
{
ASSERT (FALSE);
return FALSE;
}
/**
Decrypts a blob using PKCS1v2 (RSAES-OAEP) schema. On success, will return the
decrypted message in a newly allocated buffer.
Things that can cause a failure include:
- Fail to parse private key.
- Fail to allocate an intermediate buffer.
- Null pointer provided for a non-optional parameter.
@param[in] PrivateKey A pointer to the DER-encoded private key.
@param[in] PrivateKeySize Size of the private key buffer.
@param[in] EncryptedData Data to be decrypted.
@param[in] EncryptedDataSize Size of the encrypted buffer.
@param[out] OutData Pointer to an allocated buffer containing the encrypted
message.
@param[out] OutDataSize Size of the encrypted message buffer.
@retval TRUE Encryption was successful.
@retval FALSE Encryption failed.
**/
BOOLEAN
EFIAPI
Pkcs1v2Decrypt (
IN CONST UINT8 *PrivateKey,
IN UINTN PrivateKeySize,
IN UINT8 *EncryptedData,
IN UINTN EncryptedDataSize,
OUT UINT8 **OutData,
OUT UINTN *OutDataSize
)
{
ASSERT (FALSE);
return FALSE;
}
/**
Decrypts a blob using PKCS1v2 (RSAES-OAEP) schema. On success, will return the
decrypted message in a newly allocated buffer.
Things that can cause a failure include:
- Fail to parse private key.
- Fail to allocate an intermediate buffer.
- Null pointer provided for a non-optional parameter.
@param[in] RsaContext A pointer to an RSA context created by RsaNew() and
provisioned with a private key using RsaSetKey().
@param[in] EncryptedData Data to be decrypted.
@param[in] EncryptedDataSize Size of the encrypted buffer.
@param[in] DigestLen [Optional] If provided, size of the hash used:
SHA1_DIGEST_SIZE
SHA256_DIGEST_SIZE
SHA384_DIGEST_SIZE
SHA512_DIGEST_SIZE
0 to use default (SHA1)
@param[out] OutData Pointer to an allocated buffer containing the encrypted
message.
@param[out] OutDataSize Size of the encrypted message buffer.
@retval TRUE Encryption was successful.
@retval FALSE Encryption failed.
**/
BOOLEAN
EFIAPI
RsaOaepDecrypt (
IN VOID *RsaContext,
IN UINT8 *EncryptedData,
IN UINTN EncryptedDataSize,
IN UINT16 DigestLen OPTIONAL,
OUT UINT8 **OutData,
OUT UINTN *OutDataSize
)
{
ASSERT (FALSE);
return FALSE;
}
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