Merge pull request abrasive#123 from juhovh/master

RSA and AES cleanup
dallasjeff · Jan 8, 2012 · 4172b69 · 4172b69
2 parents 6ce7675 + 0fdae6f
commit 4172b69
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Showing 3 changed files with 5 additions and 7 deletions.
diff --git a/hairtunes.c b/hairtunes.c
@@ -340,12 +340,10 @@ void alac_decode(short *dest, char *buf, int len) {
     assert(len<=MAX_PACKET);
 
     unsigned char iv[16];
-    int i;
+    int aeslen = len & ~0xf;
     memcpy(iv, aesiv, sizeof(iv));
-    for (i=0; i+16<=len; i += 16)
-        AES_cbc_encrypt((unsigned char*)buf+i, packet+i, 0x10, &aes, iv, AES_DECRYPT);
-    if (len & 0xf)
-        memcpy(packet+i, buf+i, len & 0xf);
+    AES_cbc_encrypt((unsigned char*)buf, packet, aeslen, &aes, iv, AES_DECRYPT);
+    memcpy(packet+aeslen, buf+aeslen, len-aeslen);
 
     int outsize;
 

diff --git a/shairport.c b/shairport.c
@@ -1146,7 +1146,7 @@ void setKeys(struct keyring *pKeys, char *pIV, char* pAESKey, char *pFmtp)
 "17fegFPMwOII8MisYm9ZfT2Z0s5Ro3s5rkt+nvLAdfC/PYPKzTLalpGSwomSNYJcB9HNMlmhkGzc\n" \
 "1JnLYT4iyUyx6pcZBmCd8bD0iwY/FzcgNDaUmbX9+XDvRA0CgYEAkE7pIPlE71qvfJQgoA9em0gI\n" \
 "LAuE4Pu13aKiJnfft7hIjbK+5kyb3TysZvoyDnb3HOKvInK7vXbKuU4ISgxB2bB3HcYzQMGsz1qJ\n" \
-"2gG0N5hvJpzwwhbhXqFKA4zaaSrw622wDniAK5MlIE0tIAKKP4yxNGjoD2QYjhBGuhvkWKaXTyY=\n" \
+"2gG0N5hvJpzwwhbhXqFKA4zaaSrw622wDniAK5MlIE0tIAKKP4yxNGjoD2QYjhBGuhvkWKY=\n" \
 "-----END RSA PRIVATE KEY-----"
 
 RSA *loadKey()

diff --git a/shairport.pl b/shairport.pl
@@ -730,5 +730,5 @@ sub conn_handle_request {
 17fegFPMwOII8MisYm9ZfT2Z0s5Ro3s5rkt+nvLAdfC/PYPKzTLalpGSwomSNYJcB9HNMlmhkGzc
 1JnLYT4iyUyx6pcZBmCd8bD0iwY/FzcgNDaUmbX9+XDvRA0CgYEAkE7pIPlE71qvfJQgoA9em0gI
 LAuE4Pu13aKiJnfft7hIjbK+5kyb3TysZvoyDnb3HOKvInK7vXbKuU4ISgxB2bB3HcYzQMGsz1qJ
-2gG0N5hvJpzwwhbhXqFKA4zaaSrw622wDniAK5MlIE0tIAKKP4yxNGjoD2QYjhBGuhvkWKaXTyY=
+2gG0N5hvJpzwwhbhXqFKA4zaaSrw622wDniAK5MlIE0tIAKKP4yxNGjoD2QYjhBGuhvkWKY=
 -----END RSA PRIVATE KEY-----