DeforaNetworks/fwknop
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convert Rijndael blocksize values '16' to use RIJNDAEL_BLOCKSIZE macro

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This commit is contained in:
Michael Rash 2012-01-15 15:57:45 -05:00
parent dd188dc392
commit 7e8e48412f
1 changed files with 12 additions and 12 deletions
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24
lib/cipher_funcs.c
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@ -204,9 +204,9 @@ size_t
rij_encrypt(unsigned char *in, size_t in_len, const char *pass, unsigned char *out)
{
RIJNDAEL_context ctx;
unsigned char plaintext[16];
unsigned char mixtext[16];
unsigned char ciphertext[16];
unsigned char plaintext[RIJNDAEL_BLOCKSIZE];
unsigned char mixtext[RIJNDAEL_BLOCKSIZE];
unsigned char ciphertext[RIJNDAEL_BLOCKSIZE];
int i, pad_val;
unsigned char *ondx = out;
@ -238,12 +238,12 @@ rij_encrypt(unsigned char *in, size_t in_len, const char *pass, unsigned char *o
for(; i < sizeof(plaintext); i++)
plaintext[i] = pad_val;
for(i=0; i< 16; i++)
for(i=0; i<RIJNDAEL_BLOCKSIZE; i++)
mixtext[i] = plaintext[i] ^ ctx.iv[i];
block_encrypt(&ctx, mixtext, 16, ciphertext, ctx.iv);
block_encrypt(&ctx, mixtext, RIJNDAEL_BLOCKSIZE, ciphertext, ctx.iv);
memcpy(ctx.iv, ciphertext, 16);
memcpy(ctx.iv, ciphertext, RIJNDAEL_BLOCKSIZE);
for(i=0; i<sizeof(ciphertext); i++)
*ondx++ = ciphertext[i];
@ -258,9 +258,9 @@ size_t
rij_decrypt(unsigned char *in, size_t in_len, const char *pass, unsigned char *out)
{
RIJNDAEL_context ctx;
unsigned char plaintext[16];
unsigned char mixtext[16];
unsigned char ciphertext[16];
unsigned char plaintext[RIJNDAEL_BLOCKSIZE];
unsigned char mixtext[RIJNDAEL_BLOCKSIZE];
unsigned char ciphertext[RIJNDAEL_BLOCKSIZE];
int i, pad_val, pad_err = 0;
unsigned char *pad_s;
unsigned char *ondx = out;
@ -283,12 +283,12 @@ rij_decrypt(unsigned char *in, size_t in_len, const char *pass, unsigned char *o
in_len--;
}
block_decrypt(&ctx, ciphertext, 16, mixtext, ctx.iv);
block_decrypt(&ctx, ciphertext, RIJNDAEL_BLOCKSIZE, mixtext, ctx.iv);
for(i=0; i<sizeof(ciphertext); i++)
plaintext[i] = mixtext[i] ^ ctx.iv[i];
memcpy(ctx.iv, ciphertext, 16);
memcpy(ctx.iv, ciphertext, RIJNDAEL_BLOCKSIZE);
for(i=0; i<sizeof(plaintext); i++)
*ondx++ = plaintext[i];
@ -298,7 +298,7 @@ rij_decrypt(unsigned char *in, size_t in_len, const char *pass, unsigned char *o
*/
pad_val = *(ondx-1);
if(pad_val >= 0 && pad_val <= 16)
if(pad_val >= 0 && pad_val <= RIJNDAEL_BLOCKSIZE)
{
pad_s = ondx - pad_val;