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Diffstat (limited to 'sys/crypto/rijndael/rijndael-api-fst.c')
-rw-r--r--sys/crypto/rijndael/rijndael-api-fst.c297
1 files changed, 123 insertions, 174 deletions
diff --git a/sys/crypto/rijndael/rijndael-api-fst.c b/sys/crypto/rijndael/rijndael-api-fst.c
index c96c334..28b7f7c 100644
--- a/sys/crypto/rijndael/rijndael-api-fst.c
+++ b/sys/crypto/rijndael/rijndael-api-fst.c
@@ -19,15 +19,15 @@
__FBSDID("$FreeBSD$");
#include <sys/param.h>
-#include <sys/types.h>
#ifdef _KERNEL
#include <sys/systm.h>
#else
#include <string.h>
#endif
+
+#include <crypto/rijndael/rijndael_local.h>
#include <crypto/rijndael/rijndael-alg-fst.h>
#include <crypto/rijndael/rijndael-api-fst.h>
-#include <crypto/rijndael/rijndael_local.h>
#ifndef TRUE
#define TRUE 1
@@ -36,10 +36,8 @@ __FBSDID("$FreeBSD$");
typedef u_int8_t BYTE;
int rijndael_makeKey(keyInstance *key, BYTE direction, int keyLen, char *keyMaterial) {
- u8 k[RIJNDAEL_MAXKC][4];
- int i;
- char *keyMat;
-
+ u_int8_t cipherKey[RIJNDAEL_MAXKB];
+
if (key == NULL) {
return BAD_KEY_INSTANCE;
}
@@ -50,28 +48,24 @@ int rijndael_makeKey(keyInstance *key, BYTE direction, int keyLen, char *keyMate
return BAD_KEY_DIR;
}
- if ((keyLen == 128) || (keyLen == 192) || (keyLen == 256)) {
+ if ((keyLen == 128) || (keyLen == 192) || (keyLen == 256)) {
key->keyLen = keyLen;
} else {
return BAD_KEY_MAT;
}
if (keyMaterial != NULL) {
- bcopy(keyMaterial, key->keyMaterial, keyLen/8);
+ memcpy(key->keyMaterial, keyMaterial, keyLen/8);
}
- key->ROUNDS = keyLen/32 + 6;
-
/* initialize key schedule: */
- keyMat = key->keyMaterial;
- for (i = 0; i < key->keyLen/8; i++) {
- k[i >> 2][i & 3] = (u8)keyMat[i];
- }
- rijndaelKeySched(k, key->keySched, key->ROUNDS);
- if (direction == DIR_DECRYPT) {
- rijndaelKeyEncToDec(key->keySched, key->ROUNDS);
+ memcpy(cipherKey, key->keyMaterial, keyLen/8);
+ if (direction == DIR_ENCRYPT) {
+ key->Nr = rijndaelKeySetupEnc(key->rk, cipherKey, keyLen);
+ } else {
+ key->Nr = rijndaelKeySetupDec(key->rk, cipherKey, keyLen);
}
-
+ rijndaelKeySetupEnc(key->ek, cipherKey, keyLen);
return TRUE;
}
@@ -82,9 +76,9 @@ int rijndael_cipherInit(cipherInstance *cipher, BYTE mode, char *IV) {
return BAD_CIPHER_MODE;
}
if (IV != NULL) {
- bcopy(IV, cipher->IV, MAX_IV_SIZE);
+ memcpy(cipher->IV, IV, RIJNDAEL_MAX_IV_SIZE);
} else {
- bzero(cipher->IV, MAX_IV_SIZE);
+ memset(cipher->IV, 0, RIJNDAEL_MAX_IV_SIZE);
}
return TRUE;
}
@@ -92,7 +86,7 @@ int rijndael_cipherInit(cipherInstance *cipher, BYTE mode, char *IV) {
int rijndael_blockEncrypt(cipherInstance *cipher, keyInstance *key,
BYTE *input, int inputLen, BYTE *outBuffer) {
int i, k, numBlocks;
- u8 block[16], iv[4][4];
+ u_int8_t block[16], iv[4][4];
if (cipher == NULL ||
key == NULL ||
@@ -104,68 +98,69 @@ int rijndael_blockEncrypt(cipherInstance *cipher, keyInstance *key,
}
numBlocks = inputLen/128;
-
+
switch (cipher->mode) {
- case MODE_ECB:
+ case MODE_ECB:
for (i = numBlocks; i > 0; i--) {
- rijndaelEncrypt(input, outBuffer, key->keySched, key->ROUNDS);
+ rijndaelEncrypt(key->rk, key->Nr, input, outBuffer);
input += 16;
outBuffer += 16;
}
break;
-
+
case MODE_CBC:
#if 1 /*STRICT_ALIGN*/
- bcopy(cipher->IV, block, 16);
- bcopy(input, iv, 16);
- ((u32*)block)[0] ^= ((u32*)iv)[0];
- ((u32*)block)[1] ^= ((u32*)iv)[1];
- ((u32*)block)[2] ^= ((u32*)iv)[2];
- ((u32*)block)[3] ^= ((u32*)iv)[3];
+ memcpy(block, cipher->IV, 16);
+ memcpy(iv, input, 16);
+ ((u_int32_t*)block)[0] ^= ((u_int32_t*)iv)[0];
+ ((u_int32_t*)block)[1] ^= ((u_int32_t*)iv)[1];
+ ((u_int32_t*)block)[2] ^= ((u_int32_t*)iv)[2];
+ ((u_int32_t*)block)[3] ^= ((u_int32_t*)iv)[3];
#else
- ((u32*)block)[0] = ((u32*)cipher->IV)[0] ^ ((u32*)input)[0];
- ((u32*)block)[1] = ((u32*)cipher->IV)[1] ^ ((u32*)input)[1];
- ((u32*)block)[2] = ((u32*)cipher->IV)[2] ^ ((u32*)input)[2];
- ((u32*)block)[3] = ((u32*)cipher->IV)[3] ^ ((u32*)input)[3];
+ ((u_int32_t*)block)[0] = ((u_int32_t*)cipher->IV)[0] ^ ((u_int32_t*)input)[0];
+ ((u_int32_t*)block)[1] = ((u_int32_t*)cipher->IV)[1] ^ ((u_int32_t*)input)[1];
+ ((u_int32_t*)block)[2] = ((u_int32_t*)cipher->IV)[2] ^ ((u_int32_t*)input)[2];
+ ((u_int32_t*)block)[3] = ((u_int32_t*)cipher->IV)[3] ^ ((u_int32_t*)input)[3];
#endif
- rijndaelEncrypt(block, outBuffer, key->keySched, key->ROUNDS);
+ rijndaelEncrypt(key->rk, key->Nr, block, outBuffer);
input += 16;
for (i = numBlocks - 1; i > 0; i--) {
#if 1 /*STRICT_ALIGN*/
- bcopy(outBuffer, block, 16);
- bcopy(input, iv, 16);
- ((u32*)block)[0] ^= ((u32*)iv)[0];
- ((u32*)block)[1] ^= ((u32*)iv)[1];
- ((u32*)block)[2] ^= ((u32*)iv)[2];
- ((u32*)block)[3] ^= ((u32*)iv)[3];
+ memcpy(block, outBuffer, 16);
+ memcpy(iv, input, 16);
+ ((u_int32_t*)block)[0] ^= ((u_int32_t*)iv)[0];
+ ((u_int32_t*)block)[1] ^= ((u_int32_t*)iv)[1];
+ ((u_int32_t*)block)[2] ^= ((u_int32_t*)iv)[2];
+ ((u_int32_t*)block)[3] ^= ((u_int32_t*)iv)[3];
#else
- ((u32*)block)[0] = ((u32*)outBuffer)[0] ^ ((u32*)input)[0];
- ((u32*)block)[1] = ((u32*)outBuffer)[1] ^ ((u32*)input)[1];
- ((u32*)block)[2] = ((u32*)outBuffer)[2] ^ ((u32*)input)[2];
- ((u32*)block)[3] = ((u32*)outBuffer)[3] ^ ((u32*)input)[3];
+ ((u_int32_t*)block)[0] = ((u_int32_t*)outBuffer)[0] ^ ((u_int32_t*)input)[0];
+ ((u_int32_t*)block)[1] = ((u_int32_t*)outBuffer)[1] ^ ((u_int32_t*)input)[1];
+ ((u_int32_t*)block)[2] = ((u_int32_t*)outBuffer)[2] ^ ((u_int32_t*)input)[2];
+ ((u_int32_t*)block)[3] = ((u_int32_t*)outBuffer)[3] ^ ((u_int32_t*)input)[3];
#endif
outBuffer += 16;
- rijndaelEncrypt(block, outBuffer, key->keySched, key->ROUNDS);
+ rijndaelEncrypt(key->rk, key->Nr, block, outBuffer);
input += 16;
}
break;
-
+
case MODE_CFB1:
#if 1 /*STRICT_ALIGN*/
- bcopy(cipher->IV, iv, 16);
+ memcpy(iv, cipher->IV, 16);
#else /* !STRICT_ALIGN */
- *((u32*)iv[0]) = *((u32*)(cipher->IV ));
- *((u32*)iv[1]) = *((u32*)(cipher->IV+ 4));
- *((u32*)iv[2]) = *((u32*)(cipher->IV+ 8));
- *((u32*)iv[3]) = *((u32*)(cipher->IV+12));
+ *((u_int32_t*)iv[0]) = *((u_int32_t*)(cipher->IV ));
+ *((u_int32_t*)iv[1]) = *((u_int32_t*)(cipher->IV+ 4));
+ *((u_int32_t*)iv[2]) = *((u_int32_t*)(cipher->IV+ 8));
+ *((u_int32_t*)iv[3]) = *((u_int32_t*)(cipher->IV+12));
#endif /* ?STRICT_ALIGN */
for (i = numBlocks; i > 0; i--) {
for (k = 0; k < 128; k++) {
- *((u32*) block ) = *((u32*)iv[0]);
- *((u32*)(block+ 4)) = *((u32*)iv[1]);
- *((u32*)(block+ 8)) = *((u32*)iv[2]);
- *((u32*)(block+12)) = *((u32*)iv[3]);
- rijndaelEncrypt(block, block, key->keySched, key->ROUNDS);
+ *((u_int32_t*) block ) = *((u_int32_t*)iv[0]);
+ *((u_int32_t*)(block+ 4)) = *((u_int32_t*)iv[1]);
+ *((u_int32_t*)(block+ 8)) = *((u_int32_t*)iv[2]);
+ *((u_int32_t*)(block+12)) = *((u_int32_t*)iv[3]);
+ rijndaelEncrypt(key->ek, key->Nr, block,
+ block);
outBuffer[k/8] ^= (block[0] & 0x80) >> (k & 7);
iv[0][0] = (iv[0][0] << 1) | (iv[0][1] >> 7);
iv[0][1] = (iv[0][1] << 1) | (iv[0][2] >> 7);
@@ -186,11 +181,11 @@ int rijndael_blockEncrypt(cipherInstance *cipher, keyInstance *key,
}
}
break;
-
+
default:
return BAD_CIPHER_STATE;
}
-
+
return 128*numBlocks;
}
@@ -206,7 +201,7 @@ int rijndael_blockEncrypt(cipherInstance *cipher, keyInstance *key,
int rijndael_padEncrypt(cipherInstance *cipher, keyInstance *key,
BYTE *input, int inputOctets, BYTE *outBuffer) {
int i, numBlocks, padLen;
- u8 block[16], *iv, *cp;
+ u_int8_t block[16], *iv, *cp;
if (cipher == NULL ||
key == NULL ||
@@ -220,29 +215,29 @@ int rijndael_padEncrypt(cipherInstance *cipher, keyInstance *key,
numBlocks = inputOctets/16;
switch (cipher->mode) {
- case MODE_ECB:
+ case MODE_ECB:
for (i = numBlocks; i > 0; i--) {
- rijndaelEncrypt(input, outBuffer, key->keySched, key->ROUNDS);
+ rijndaelEncrypt(key->rk, key->Nr, input, outBuffer);
input += 16;
outBuffer += 16;
}
padLen = 16 - (inputOctets - 16*numBlocks);
if (padLen <= 0 || padLen > 16)
return BAD_CIPHER_STATE;
- bcopy(input, block, 16 - padLen);
+ memcpy(block, input, 16 - padLen);
for (cp = block + 16 - padLen; cp < block + 16; cp++)
*cp = padLen;
- rijndaelEncrypt(block, outBuffer, key->keySched, key->ROUNDS);
+ rijndaelEncrypt(key->rk, key->Nr, block, outBuffer);
break;
case MODE_CBC:
iv = cipher->IV;
for (i = numBlocks; i > 0; i--) {
- ((u32*)block)[0] = ((u32*)input)[0] ^ ((u32*)iv)[0];
- ((u32*)block)[1] = ((u32*)input)[1] ^ ((u32*)iv)[1];
- ((u32*)block)[2] = ((u32*)input)[2] ^ ((u32*)iv)[2];
- ((u32*)block)[3] = ((u32*)input)[3] ^ ((u32*)iv)[3];
- rijndaelEncrypt(block, outBuffer, key->keySched, key->ROUNDS);
+ ((u_int32_t*)block)[0] = ((u_int32_t*)input)[0] ^ ((u_int32_t*)iv)[0];
+ ((u_int32_t*)block)[1] = ((u_int32_t*)input)[1] ^ ((u_int32_t*)iv)[1];
+ ((u_int32_t*)block)[2] = ((u_int32_t*)input)[2] ^ ((u_int32_t*)iv)[2];
+ ((u_int32_t*)block)[3] = ((u_int32_t*)input)[3] ^ ((u_int32_t*)iv)[3];
+ rijndaelEncrypt(key->rk, key->Nr, block, outBuffer);
iv = outBuffer;
input += 16;
outBuffer += 16;
@@ -256,7 +251,7 @@ int rijndael_padEncrypt(cipherInstance *cipher, keyInstance *key,
for (i = 16 - padLen; i < 16; i++) {
block[i] = (BYTE)padLen ^ iv[i];
}
- rijndaelEncrypt(block, outBuffer, key->keySched, key->ROUNDS);
+ rijndaelEncrypt(key->rk, key->Nr, block, outBuffer);
break;
default:
@@ -269,7 +264,7 @@ int rijndael_padEncrypt(cipherInstance *cipher, keyInstance *key,
int rijndael_blockDecrypt(cipherInstance *cipher, keyInstance *key,
BYTE *input, int inputLen, BYTE *outBuffer) {
int i, k, numBlocks;
- u8 block[16], iv[4][4];
+ u_int8_t block[16], iv[4][4];
if (cipher == NULL ||
key == NULL ||
@@ -283,59 +278,60 @@ int rijndael_blockDecrypt(cipherInstance *cipher, keyInstance *key,
numBlocks = inputLen/128;
switch (cipher->mode) {
- case MODE_ECB:
- for (i = numBlocks; i > 0; i--) {
- rijndaelDecrypt(input, outBuffer, key->keySched, key->ROUNDS);
+ case MODE_ECB:
+ for (i = numBlocks; i > 0; i--) {
+ rijndaelDecrypt(key->rk, key->Nr, input, outBuffer);
input += 16;
outBuffer += 16;
}
break;
-
+
case MODE_CBC:
#if 1 /*STRICT_ALIGN */
- bcopy(cipher->IV, iv, 16);
+ memcpy(iv, cipher->IV, 16);
#else
- *((u32*)iv[0]) = *((u32*)(cipher->IV ));
- *((u32*)iv[1]) = *((u32*)(cipher->IV+ 4));
- *((u32*)iv[2]) = *((u32*)(cipher->IV+ 8));
- *((u32*)iv[3]) = *((u32*)(cipher->IV+12));
+ *((u_int32_t*)iv[0]) = *((u_int32_t*)(cipher->IV ));
+ *((u_int32_t*)iv[1]) = *((u_int32_t*)(cipher->IV+ 4));
+ *((u_int32_t*)iv[2]) = *((u_int32_t*)(cipher->IV+ 8));
+ *((u_int32_t*)iv[3]) = *((u_int32_t*)(cipher->IV+12));
#endif
for (i = numBlocks; i > 0; i--) {
- rijndaelDecrypt(input, block, key->keySched, key->ROUNDS);
- ((u32*)block)[0] ^= *((u32*)iv[0]);
- ((u32*)block)[1] ^= *((u32*)iv[1]);
- ((u32*)block)[2] ^= *((u32*)iv[2]);
- ((u32*)block)[3] ^= *((u32*)iv[3]);
+ rijndaelDecrypt(key->rk, key->Nr, input, block);
+ ((u_int32_t*)block)[0] ^= *((u_int32_t*)iv[0]);
+ ((u_int32_t*)block)[1] ^= *((u_int32_t*)iv[1]);
+ ((u_int32_t*)block)[2] ^= *((u_int32_t*)iv[2]);
+ ((u_int32_t*)block)[3] ^= *((u_int32_t*)iv[3]);
#if 1 /*STRICT_ALIGN*/
- bcopy(input, iv, 16);
- bcopy(block, outBuffer, 16);
+ memcpy(iv, input, 16);
+ memcpy(outBuffer, block, 16);
#else
- *((u32*)iv[0]) = ((u32*)input)[0]; ((u32*)outBuffer)[0] = ((u32*)block)[0];
- *((u32*)iv[1]) = ((u32*)input)[1]; ((u32*)outBuffer)[1] = ((u32*)block)[1];
- *((u32*)iv[2]) = ((u32*)input)[2]; ((u32*)outBuffer)[2] = ((u32*)block)[2];
- *((u32*)iv[3]) = ((u32*)input)[3]; ((u32*)outBuffer)[3] = ((u32*)block)[3];
+ *((u_int32_t*)iv[0]) = ((u_int32_t*)input)[0]; ((u_int32_t*)outBuffer)[0] = ((u_int32_t*)block)[0];
+ *((u_int32_t*)iv[1]) = ((u_int32_t*)input)[1]; ((u_int32_t*)outBuffer)[1] = ((u_int32_t*)block)[1];
+ *((u_int32_t*)iv[2]) = ((u_int32_t*)input)[2]; ((u_int32_t*)outBuffer)[2] = ((u_int32_t*)block)[2];
+ *((u_int32_t*)iv[3]) = ((u_int32_t*)input)[3]; ((u_int32_t*)outBuffer)[3] = ((u_int32_t*)block)[3];
#endif
input += 16;
outBuffer += 16;
}
break;
-
+
case MODE_CFB1:
#if 1 /*STRICT_ALIGN */
- bcopy(cipher->IV, iv, 16);
+ memcpy(iv, cipher->IV, 16);
#else
- *((u32*)iv[0]) = *((u32*)(cipher->IV));
- *((u32*)iv[1]) = *((u32*)(cipher->IV+ 4));
- *((u32*)iv[2]) = *((u32*)(cipher->IV+ 8));
- *((u32*)iv[3]) = *((u32*)(cipher->IV+12));
+ *((u_int32_t*)iv[0]) = *((u_int32_t*)(cipher->IV));
+ *((u_int32_t*)iv[1]) = *((u_int32_t*)(cipher->IV+ 4));
+ *((u_int32_t*)iv[2]) = *((u_int32_t*)(cipher->IV+ 8));
+ *((u_int32_t*)iv[3]) = *((u_int32_t*)(cipher->IV+12));
#endif
for (i = numBlocks; i > 0; i--) {
for (k = 0; k < 128; k++) {
- *((u32*) block ) = *((u32*)iv[0]);
- *((u32*)(block+ 4)) = *((u32*)iv[1]);
- *((u32*)(block+ 8)) = *((u32*)iv[2]);
- *((u32*)(block+12)) = *((u32*)iv[3]);
- rijndaelEncrypt(block, block, key->keySched, key->ROUNDS);
+ *((u_int32_t*) block ) = *((u_int32_t*)iv[0]);
+ *((u_int32_t*)(block+ 4)) = *((u_int32_t*)iv[1]);
+ *((u_int32_t*)(block+ 8)) = *((u_int32_t*)iv[2]);
+ *((u_int32_t*)(block+12)) = *((u_int32_t*)iv[3]);
+ rijndaelEncrypt(key->ek, key->Nr, block,
+ block);
iv[0][0] = (iv[0][0] << 1) | (iv[0][1] >> 7);
iv[0][1] = (iv[0][1] << 1) | (iv[0][2] >> 7);
iv[0][2] = (iv[0][2] << 1) | (iv[0][3] >> 7);
@@ -360,15 +356,15 @@ int rijndael_blockDecrypt(cipherInstance *cipher, keyInstance *key,
default:
return BAD_CIPHER_STATE;
}
-
+
return 128*numBlocks;
}
int rijndael_padDecrypt(cipherInstance *cipher, keyInstance *key,
BYTE *input, int inputOctets, BYTE *outBuffer) {
int i, numBlocks, padLen;
- u8 block[16];
- u32 iv[4];
+ u_int8_t block[16];
+ u_int32_t iv[4];
if (cipher == NULL ||
key == NULL ||
@@ -387,13 +383,13 @@ int rijndael_padDecrypt(cipherInstance *cipher, keyInstance *key,
switch (cipher->mode) {
case MODE_ECB:
/* all blocks but last */
- for (i = numBlocks - 1; i > 0; i--) {
- rijndaelDecrypt(input, outBuffer, key->keySched, key->ROUNDS);
+ for (i = numBlocks - 1; i > 0; i--) {
+ rijndaelDecrypt(key->rk, key->Nr, input, outBuffer);
input += 16;
outBuffer += 16;
}
/* last block */
- rijndaelDecrypt(input, block, key->keySched, key->ROUNDS);
+ rijndaelDecrypt(key->rk, key->Nr, input, block);
padLen = block[15];
if (padLen >= 16) {
return BAD_DATA;
@@ -403,29 +399,29 @@ int rijndael_padDecrypt(cipherInstance *cipher, keyInstance *key,
return BAD_DATA;
}
}
- bcopy(block, outBuffer, 16 - padLen);
+ memcpy(outBuffer, block, 16 - padLen);
break;
-
+
case MODE_CBC:
- bcopy(cipher->IV, iv, 16);
+ memcpy(iv, cipher->IV, 16);
/* all blocks but last */
for (i = numBlocks - 1; i > 0; i--) {
- rijndaelDecrypt(input, block, key->keySched, key->ROUNDS);
- ((u32*)block)[0] ^= iv[0];
- ((u32*)block)[1] ^= iv[1];
- ((u32*)block)[2] ^= iv[2];
- ((u32*)block)[3] ^= iv[3];
- bcopy(input, iv, 16);
- bcopy(block, outBuffer, 16);
+ rijndaelDecrypt(key->rk, key->Nr, input, block);
+ ((u_int32_t*)block)[0] ^= iv[0];
+ ((u_int32_t*)block)[1] ^= iv[1];
+ ((u_int32_t*)block)[2] ^= iv[2];
+ ((u_int32_t*)block)[3] ^= iv[3];
+ memcpy(iv, input, 16);
+ memcpy(outBuffer, block, 16);
input += 16;
outBuffer += 16;
}
/* last block */
- rijndaelDecrypt(input, block, key->keySched, key->ROUNDS);
- ((u32*)block)[0] ^= iv[0];
- ((u32*)block)[1] ^= iv[1];
- ((u32*)block)[2] ^= iv[2];
- ((u32*)block)[3] ^= iv[3];
+ rijndaelDecrypt(key->rk, key->Nr, input, block);
+ ((u_int32_t*)block)[0] ^= iv[0];
+ ((u_int32_t*)block)[1] ^= iv[1];
+ ((u_int32_t*)block)[2] ^= iv[2];
+ ((u_int32_t*)block)[3] ^= iv[3];
padLen = block[15];
if (padLen <= 0 || padLen > 16) {
return BAD_DATA;
@@ -435,59 +431,12 @@ int rijndael_padDecrypt(cipherInstance *cipher, keyInstance *key,
return BAD_DATA;
}
}
- bcopy(block, outBuffer, 16 - padLen);
+ memcpy(outBuffer, block, 16 - padLen);
break;
-
- default:
- return BAD_CIPHER_STATE;
- }
-
- return 16*numBlocks - padLen;
-}
-#ifdef INTERMEDIATE_VALUE_KAT
-/**
- * cipherUpdateRounds:
- *
- * Encrypts/Decrypts exactly one full block a specified number of rounds.
- * Only used in the Intermediate Value Known Answer Test.
- *
- * Returns:
- * TRUE - on success
- * BAD_CIPHER_STATE - cipher in bad state (e.g., not initialized)
- */
-int rijndael_cipherUpdateRounds(cipherInstance *cipher, keyInstance *key,
- BYTE *input, int inputLen, BYTE *outBuffer, int rounds) {
- int j;
- u8 block[4][4];
-
- if (cipher == NULL || key == NULL) {
+ default:
return BAD_CIPHER_STATE;
}
- for (j = 3; j >= 0; j--) {
- /* parse input stream into rectangular array */
- *((u32*)block[j]) = *((u32*)(input+4*j));
- }
-
- switch (key->direction) {
- case DIR_ENCRYPT:
- rijndaelEncryptRound(block, key->keySched, key->ROUNDS, rounds);
- break;
-
- case DIR_DECRYPT:
- rijndaelDecryptRound(block, key->keySched, key->ROUNDS, rounds);
- break;
-
- default:
- return BAD_KEY_DIR;
- }
-
- for (j = 3; j >= 0; j--) {
- /* parse rectangular array into output ciphertext bytes */
- *((u32*)(outBuffer+4*j)) = *((u32*)block[j]);
- }
-
- return TRUE;
+ return 16*numBlocks - padLen;
}
-#endif /* INTERMEDIATE_VALUE_KAT */
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