diff options
Diffstat (limited to 'src/common/aes.c')
-rw-r--r-- | src/common/aes.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/common/aes.c b/src/common/aes.c index 96d5ca4126..d1698604cd 100644 --- a/src/common/aes.c +++ b/src/common/aes.c @@ -28,8 +28,13 @@ const char aes_c_id[] = "$Id$"; /* We have 3 strategies for getting AES: Via OpenSSL's AES_encrypt function, * via OpenSSL's EVP_EncryptUpdate function, or via the built-in AES * implementation below. */ + +/** Defined iff we're using openssl's AES functions for AES. */ #undef USE_OPENSSL_AES +/** Defined iff we're using openssl's EVP code for AES. */ #undef USE_OPENSSL_EVP +/** Defined iff we're using Tor's internal AES implementation, defined + * below. */ #undef USE_BUILTIN_AES /* Figure out our CPU type. We use this to pick an AES implementation. @@ -130,6 +135,7 @@ static void rijndaelEncrypt(const u32 rk[/*4*(Nr + 1)*/], int Nr, /*======================================================================*/ /* Interface to AES code, and counter implementation */ +/** Implements an aes counter-mode cipher. */ struct aes_cnt_cipher { /** This next element (howevever it's defined) is the AES key. */ #if defined(USE_OPENSSL_EVP) |