diff options
Diffstat (limited to 'CryptoPkg/Library/BaseCryptLib/Cipher/CryptAes.c')
| -rw-r--r-- | CryptoPkg/Library/BaseCryptLib/Cipher/CryptAes.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/CryptoPkg/Library/BaseCryptLib/Cipher/CryptAes.c b/CryptoPkg/Library/BaseCryptLib/Cipher/CryptAes.c index 914cffb211..587885e33d 100644 --- a/CryptoPkg/Library/BaseCryptLib/Cipher/CryptAes.c +++ b/CryptoPkg/Library/BaseCryptLib/Cipher/CryptAes.c @@ -25,7 +25,7 @@ AesGetContextSize ( // 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));
+ return (UINTN)(2 * sizeof (AES_KEY));
}
/**
@@ -61,20 +61,22 @@ AesInit ( //
// Check input parameters.
//
- if (AesContext == NULL || Key == NULL || (KeyLength != 128 && KeyLength != 192 && KeyLength != 256)) {
+ 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) {
+ 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) {
+
+ if (AES_set_decrypt_key (Key, (UINT32)KeyLength, AesKey + 1) != 0) {
return FALSE;
}
+
return TRUE;
}
@@ -121,21 +123,21 @@ AesCbcEncrypt ( //
// Check input parameters.
//
- if (AesContext == NULL || Input == NULL || (InputSize % AES_BLOCK_SIZE) != 0) {
+ if ((AesContext == NULL) || (Input == NULL) || ((InputSize % AES_BLOCK_SIZE) != 0)) {
return FALSE;
}
- if (Ivec == NULL || Output == NULL || InputSize > INT_MAX) {
+ if ((Ivec == NULL) || (Output == NULL) || (InputSize > INT_MAX)) {
return FALSE;
}
- AesKey = (AES_KEY *) AesContext;
+ 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);
+ AES_cbc_encrypt (Input, Output, (UINT32)InputSize, AesKey, IvecBuffer, AES_ENCRYPT);
return TRUE;
}
@@ -183,21 +185,21 @@ AesCbcDecrypt ( //
// Check input parameters.
//
- if (AesContext == NULL || Input == NULL || (InputSize % AES_BLOCK_SIZE) != 0) {
+ if ((AesContext == NULL) || (Input == NULL) || ((InputSize % AES_BLOCK_SIZE) != 0)) {
return FALSE;
}
- if (Ivec == NULL || Output == NULL || InputSize > INT_MAX) {
+ if ((Ivec == NULL) || (Output == NULL) || (InputSize > INT_MAX)) {
return FALSE;
}
- AesKey = (AES_KEY *) AesContext;
+ 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);
+ AES_cbc_encrypt (Input, Output, (UINT32)InputSize, AesKey + 1, IvecBuffer, AES_DECRYPT);
return TRUE;
}
|