}
}
}
+
+void
+AES_cfb8_encrypt(const unsigned char *in, unsigned char *out,
+ unsigned long size, const AES_KEY *key,
+ unsigned char *iv, int forward_encrypt)
+{
+ int i;
+
+ for (i = 0; i < size; i++) {
+ unsigned char tmp[AES_BLOCK_SIZE + 1];
+
+ memcpy(tmp, iv, AES_BLOCK_SIZE);
+ AES_encrypt(iv, iv, key);
+ if (!forward_encrypt) {
+ tmp[AES_BLOCK_SIZE] = in[i];
+ }
+ out[i] = in[i] ^ iv[0];
+ if (forward_encrypt) {
+ tmp[AES_BLOCK_SIZE] = out[i];
+ }
+ memcpy(iv, &tmp[1], AES_BLOCK_SIZE);
+ }
+}