diff options
Diffstat (limited to 'src/crypto/ocb_internal.cc')
| -rw-r--r-- | src/crypto/ocb_internal.cc | 39 |
1 files changed, 34 insertions, 5 deletions
diff --git a/src/crypto/ocb_internal.cc b/src/crypto/ocb_internal.cc index 0626873..2e04c29 100644 --- a/src/crypto/ocb_internal.cc +++ b/src/crypto/ocb_internal.cc @@ -26,10 +26,11 @@ #include "config.h" -/* This module implements the ae.h interface for Apple Common Crypto and -/ Nettle. */ -#if !defined(USE_APPLE_COMMON_CRYPTO_AES) && !defined(USE_NETTLE_AES) -#error ocb_internal.cc only works with Apple Common Crypto or Nettle +/* This module implements the ae.h interface for OpenSSL, Apple Common +/ Crypto, and Nettle. */ +#if !defined(USE_OPENSSL_AES) && !defined(USE_APPLE_COMMON_CRYPTO_AES) && \ + !defined(USE_NETTLE_AES) +#error ocb_internal.cc only works with OpenSSL, Apple Common Crypto, or Nettle #endif /* ----------------------------------------------------------------------- */ @@ -62,6 +63,7 @@ #if 0 #define USE_APPLE_COMMON_CRYPTO_AES 0 #define USE_NETTLE_AES 0 +#define USE_OPENSSL_AES 1 /* http://openssl.org */ #endif /* During encryption and decryption, various "L values" are required. @@ -352,8 +354,31 @@ /* AES - Code uses OpenSSL API. Other implementations get mapped to it. */ /* ----------------------------------------------------------------------- */ +/*---------------*/ +#if USE_OPENSSL_AES +/*---------------*/ + +#include <openssl/aes.h> /* http://openssl.org/ */ + +/* How to ECB encrypt an array of blocks, in place */ +static inline void AES_ecb_encrypt_blks(block *blks, unsigned nblks, AES_KEY *key) { + while (nblks) { + --nblks; + AES_encrypt((unsigned char *)(blks+nblks), (unsigned char *)(blks+nblks), key); + } +} + +static inline void AES_ecb_decrypt_blks(block *blks, unsigned nblks, AES_KEY *key) { + while (nblks) { + --nblks; + AES_decrypt((unsigned char *)(blks+nblks), (unsigned char *)(blks+nblks), key); + } +} + +#define BPI 4 /* Number of blocks in buffer per ECB call */ + /*-------------------*/ -#if USE_APPLE_COMMON_CRYPTO_AES +#elif USE_APPLE_COMMON_CRYPTO_AES /*-------------------*/ #include <fatal_assert.h> @@ -1320,3 +1345,7 @@ int main() return 0; } #endif + +#if USE_OPENSSL_AES +char infoString[] = "OCB3 (OpenSSL)"; +#endif |