diff options
Diffstat (limited to 'CryptoPkg/Library/BaseCryptLib/Cipher/CryptAes.c')
| -rw-r--r-- | CryptoPkg/Library/BaseCryptLib/Cipher/CryptAes.c | 323 |
1 files changed, 0 insertions, 323 deletions
diff --git a/CryptoPkg/Library/BaseCryptLib/Cipher/CryptAes.c b/CryptoPkg/Library/BaseCryptLib/Cipher/CryptAes.c deleted file mode 100644 index 753d79814f..0000000000 --- a/CryptoPkg/Library/BaseCryptLib/Cipher/CryptAes.c +++ /dev/null @@ -1,323 +0,0 @@ -/** @file
- AES Wrapper Implementation over OpenSSL.
-
-Copyright (c) 2010 - 2012, 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
-which 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.
-
-**/
-
-#include "InternalCryptLib.h"
-#include <openssl/aes.h>
-
-/**
- Retrieves the size, in bytes, of the context buffer required for AES operations.
-
- @return The size, in bytes, of the context buffer required for AES operations.
-
-**/
-UINTN
-EFIAPI
-AesGetContextSize (
- VOID
- )
-{
- //
- // AES uses different key contexts for encryption and decryption, so here memory
- // for 2 copies of AES_KEY is allocated.
- //
- return (UINTN) (2 * sizeof (AES_KEY));
-}
-
-/**
- Initializes user-supplied memory as AES context for subsequent use.
-
- This function initializes user-supplied memory pointed by AesContext as AES context.
- In addition, it sets up all AES key materials for subsequent encryption and decryption
- operations.
- There are 3 options for key length, 128 bits, 192 bits, and 256 bits.
-
- If AesContext is NULL, then return FALSE.
- If Key is NULL, then return FALSE.
- If KeyLength is not valid, then return FALSE.
-
- @param[out] AesContext Pointer to AES context being initialized.
- @param[in] Key Pointer to the user-supplied AES key.
- @param[in] KeyLength Length of AES key in bits.
-
- @retval TRUE AES context initialization succeeded.
- @retval FALSE AES context initialization failed.
-
-**/
-BOOLEAN
-EFIAPI
-AesInit (
- OUT VOID *AesContext,
- IN CONST UINT8 *Key,
- IN UINTN KeyLength
- )
-{
- AES_KEY *AesKey;
-
- //
- // Check input parameters.
- //
- if (AesContext == NULL || Key == NULL || (KeyLength != 128 && KeyLength != 192 && KeyLength != 256)) {
- return FALSE;
- }
-
- //
- // Initialize AES encryption & decryption key schedule.
- //
- AesKey = (AES_KEY *) AesContext;
- if (AES_set_encrypt_key (Key, (UINT32) KeyLength, AesKey) != 0) {
- return FALSE;
- }
- if (AES_set_decrypt_key (Key, (UINT32) KeyLength, AesKey + 1) != 0) {
- return FALSE;
- }
- return TRUE;
-}
-
-/**
- Performs AES encryption on a data buffer of the specified size in ECB mode.
-
- This function performs AES encryption on data buffer pointed by Input, of specified
- size of InputSize, in ECB mode.
- InputSize must be multiple of block size (16 bytes). This function does not perform
- padding. Caller must perform padding, if necessary, to ensure valid input data size.
- AesContext should be already correctly initialized by AesInit(). Behavior with
- invalid AES context is undefined.
-
- If AesContext is NULL, then return FALSE.
- If Input is NULL, then return FALSE.
- If InputSize is not multiple of block size (16 bytes), then return FALSE.
- If Output is NULL, then return FALSE.
-
- @param[in] AesContext Pointer to the AES context.
- @param[in] Input Pointer to the buffer containing the data to be encrypted.
- @param[in] InputSize Size of the Input buffer in bytes.
- @param[out] Output Pointer to a buffer that receives the AES encryption output.
-
- @retval TRUE AES encryption succeeded.
- @retval FALSE AES encryption failed.
-
-**/
-BOOLEAN
-EFIAPI
-AesEcbEncrypt (
- IN VOID *AesContext,
- IN CONST UINT8 *Input,
- IN UINTN InputSize,
- OUT UINT8 *Output
- )
-{
- AES_KEY *AesKey;
-
- //
- // Check input parameters.
- //
- if (AesContext == NULL || Input == NULL || (InputSize % AES_BLOCK_SIZE) != 0 || Output == NULL) {
- return FALSE;
- }
-
- AesKey = (AES_KEY *) AesContext;
-
- //
- // Perform AES data encryption with ECB mode (block-by-block)
- //
- while (InputSize > 0) {
- AES_ecb_encrypt (Input, Output, AesKey, AES_ENCRYPT);
- Input += AES_BLOCK_SIZE;
- Output += AES_BLOCK_SIZE;
- InputSize -= AES_BLOCK_SIZE;
- }
-
- return TRUE;
-}
-
-/**
- Performs AES decryption on a data buffer of the specified size in ECB mode.
-
- This function performs AES decryption on data buffer pointed by Input, of specified
- size of InputSize, in ECB mode.
- InputSize must be multiple of block size (16 bytes). This function does not perform
- padding. Caller must perform padding, if necessary, to ensure valid input data size.
- AesContext should be already correctly initialized by AesInit(). Behavior with
- invalid AES context is undefined.
-
- If AesContext is NULL, then return FALSE.
- If Input is NULL, then return FALSE.
- If InputSize is not multiple of block size (16 bytes), then return FALSE.
- If Output is NULL, then return FALSE.
-
- @param[in] AesContext Pointer to the AES context.
- @param[in] Input Pointer to the buffer containing the data to be decrypted.
- @param[in] InputSize Size of the Input buffer in bytes.
- @param[out] Output Pointer to a buffer that receives the AES decryption output.
-
- @retval TRUE AES decryption succeeded.
- @retval FALSE AES decryption failed.
-
-**/
-BOOLEAN
-EFIAPI
-AesEcbDecrypt (
- IN VOID *AesContext,
- IN CONST UINT8 *Input,
- IN UINTN InputSize,
- OUT UINT8 *Output
- )
-{
- AES_KEY *AesKey;
-
- //
- // Check input parameters.
- //
- if (AesContext == NULL || Input == NULL || (InputSize % AES_BLOCK_SIZE) != 0 || Output == NULL) {
- return FALSE;
- }
-
- AesKey = (AES_KEY *) AesContext;
-
- //
- // Perform AES data decryption with ECB mode (block-by-block)
- //
- while (InputSize > 0) {
- AES_ecb_encrypt (Input, Output, AesKey + 1, AES_DECRYPT);
- Input += AES_BLOCK_SIZE;
- Output += AES_BLOCK_SIZE;
- InputSize -= AES_BLOCK_SIZE;
- }
-
- return TRUE;
-}
-
-/**
- Performs AES encryption on a data buffer of the specified size in CBC mode.
-
- This function performs AES encryption on data buffer pointed by Input, of specified
- size of InputSize, in CBC mode.
- InputSize must be multiple of block size (16 bytes). This function does not perform
- padding. Caller must perform padding, if necessary, to ensure valid input data size.
- Initialization vector should be one block size (16 bytes).
- AesContext should be already correctly initialized by AesInit(). Behavior with
- invalid AES context is undefined.
-
- If AesContext is NULL, then return FALSE.
- If Input is NULL, then return FALSE.
- If InputSize is not multiple of block size (16 bytes), then return FALSE.
- If Ivec is NULL, then return FALSE.
- If Output is NULL, then return FALSE.
-
- @param[in] AesContext Pointer to the AES context.
- @param[in] Input Pointer to the buffer containing the data to be encrypted.
- @param[in] InputSize Size of the Input buffer in bytes.
- @param[in] Ivec Pointer to initialization vector.
- @param[out] Output Pointer to a buffer that receives the AES encryption output.
-
- @retval TRUE AES encryption succeeded.
- @retval FALSE AES encryption failed.
-
-**/
-BOOLEAN
-EFIAPI
-AesCbcEncrypt (
- IN VOID *AesContext,
- IN CONST UINT8 *Input,
- IN UINTN InputSize,
- IN CONST UINT8 *Ivec,
- OUT UINT8 *Output
- )
-{
- AES_KEY *AesKey;
- UINT8 IvecBuffer[AES_BLOCK_SIZE];
-
- //
- // Check input parameters.
- //
- if (AesContext == NULL || Input == NULL || (InputSize % AES_BLOCK_SIZE) != 0) {
- return FALSE;
- }
-
- if (Ivec == NULL || Output == NULL || InputSize > INT_MAX) {
- return FALSE;
- }
-
- AesKey = (AES_KEY *) AesContext;
- CopyMem (IvecBuffer, Ivec, AES_BLOCK_SIZE);
-
- //
- // Perform AES data encryption with CBC mode
- //
- AES_cbc_encrypt (Input, Output, (UINT32) InputSize, AesKey, IvecBuffer, AES_ENCRYPT);
-
- return TRUE;
-}
-
-/**
- Performs AES decryption on a data buffer of the specified size in CBC mode.
-
- This function performs AES decryption on data buffer pointed by Input, of specified
- size of InputSize, in CBC mode.
- InputSize must be multiple of block size (16 bytes). This function does not perform
- padding. Caller must perform padding, if necessary, to ensure valid input data size.
- Initialization vector should be one block size (16 bytes).
- AesContext should be already correctly initialized by AesInit(). Behavior with
- invalid AES context is undefined.
-
- If AesContext is NULL, then return FALSE.
- If Input is NULL, then return FALSE.
- If InputSize is not multiple of block size (16 bytes), then return FALSE.
- If Ivec is NULL, then return FALSE.
- If Output is NULL, then return FALSE.
-
- @param[in] AesContext Pointer to the AES context.
- @param[in] Input Pointer to the buffer containing the data to be encrypted.
- @param[in] InputSize Size of the Input buffer in bytes.
- @param[in] Ivec Pointer to initialization vector.
- @param[out] Output Pointer to a buffer that receives the AES encryption output.
-
- @retval TRUE AES decryption succeeded.
- @retval FALSE AES decryption failed.
-
-**/
-BOOLEAN
-EFIAPI
-AesCbcDecrypt (
- IN VOID *AesContext,
- IN CONST UINT8 *Input,
- IN UINTN InputSize,
- IN CONST UINT8 *Ivec,
- OUT UINT8 *Output
- )
-{
- AES_KEY *AesKey;
- UINT8 IvecBuffer[AES_BLOCK_SIZE];
-
- //
- // Check input parameters.
- //
- if (AesContext == NULL || Input == NULL || (InputSize % AES_BLOCK_SIZE) != 0) {
- return FALSE;
- }
-
- if (Ivec == NULL || Output == NULL || InputSize > INT_MAX) {
- return FALSE;
- }
-
- AesKey = (AES_KEY *) AesContext;
- CopyMem (IvecBuffer, Ivec, AES_BLOCK_SIZE);
-
- //
- // Perform AES data decryption with CBC mode
- //
- AES_cbc_encrypt (Input, Output, (UINT32) InputSize, AesKey + 1, IvecBuffer, AES_DECRYPT);
-
- return TRUE;
-}
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