Fixed some typos, courtesy of codespell

src/libstrongswan/crypto/mac.h

@@ -39,12 +39,12 @@ struct mac_t {
 	 *
 	 * If out is NULL, no result is given back.  A next call will
 	 * append the data to already supplied data.  If out is not NULL,
-	 * the mac of all apended data is calculated, written to out and the
+	 * the MAC of all appended data is calculated, written to out and the
 	 * internal state is reset.
 	 *
 	 * @param data		chunk of data to authenticate
 	 * @param out		pointer where the generated bytes will be written
-	 * @return			TRUE if mac generated successfully
+	 * @return			TRUE if MAC generated successfully
 	 */
 	bool (*get_mac)(mac_t *this, chunk_t data,
 					uint8_t *out) __attribute__((warn_unused_result));

src/libstrongswan/plugins/openssl/openssl_rng.c

@@ -53,7 +53,7 @@ METHOD(rng_t, get_bytes, bool,
 {
 #if OPENSSL_VERSION_NUMBER >= 0x1010100fL
 	if (this->quality > RNG_WEAK)
-	{	/* use a separate DRBG for data we wan't to keep private, compared
+	{	/* use a separate DRBG for data we want to keep private, compared
 		 * to e.g. nonces */
 		return RAND_priv_bytes((char*)buffer, bytes) == 1;
 	}

src/libstrongswan/utils/chunk.h

@@ -332,7 +332,7 @@ static inline bool chunk_equals_ptr(chunk_t *a, chunk_t *b)
 }
 
 /**
- * Increment a chunk, as it would reprensent a network order integer.
+ * Increment a chunk, as it would represent a network order integer.
  *
  * @param chunk			chunk to increment
  * @return				TRUE if an overflow occurred