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fixed typo

pull/232/head
Logan007 5 years ago
parent
fb0a6e8abc
commit
20847c0063
1 changed files with 15 additions and 15 deletions
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  1. 28
      transform_aes.c

28
transform_aes.c
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@ -43,7 +43,7 @@
typedef unsigned char n2n_aes_ivec_t[N2N_AES_IVEC_SIZE]; typedef unsigned char n2n_aes_ivec_t[N2N_AES_IVEC_SIZE];
typedef struct transop_aes { typedef struct transop_aes {
#ifdef OPENSSL_1_1 #ifdef HAVE_OPENSSL_1_1
EVP_CIPHER_CTX *enc_ctx; /* openssl's reusable evp_* encryption context */ EVP_CIPHER_CTX *enc_ctx; /* openssl's reusable evp_* encryption context */
EVP_CIPHER_CTX *dec_ctx; /* openssl's reusable evp_* decryption context */ EVP_CIPHER_CTX *dec_ctx; /* openssl's reusable evp_* decryption context */
const EVP_CIPHER *cipher; /* cipher to use: e.g. EVP_aes_128_cbc */ const EVP_CIPHER *cipher; /* cipher to use: e.g. EVP_aes_128_cbc */
@ -61,7 +61,7 @@ typedef struct transop_aes {
static int transop_deinit_aes(n2n_trans_op_t *arg) { static int transop_deinit_aes(n2n_trans_op_t *arg) {
transop_aes_t *priv = (transop_aes_t *)arg->priv; transop_aes_t *priv = (transop_aes_t *)arg->priv;
#ifdef OPENSSL_1_1 #ifdef HAVE_OPENSSL_1_1
EVP_CIPHER_CTX_free(priv->enc_ctx); EVP_CIPHER_CTX_free(priv->enc_ctx);
EVP_CIPHER_CTX_free(priv->dec_ctx); EVP_CIPHER_CTX_free(priv->dec_ctx);
#endif #endif
@ -74,7 +74,7 @@ static int transop_deinit_aes(n2n_trans_op_t *arg) {
/* ****************************************************** */ /* ****************************************************** */
#ifdef OPENSSL_1_1 #ifdef HAVE_OPENSSL_1_1
/* get any erorr message out of openssl /* get any erorr message out of openssl
taken from https://en.wikibooks.org/wiki/OpenSSL/Error_handling */ taken from https://en.wikibooks.org/wiki/OpenSSL/Error_handling */
char *openssl_err_as_string (void) { char *openssl_err_as_string (void) {
@ -168,7 +168,7 @@ static int transop_encode_aes(n2n_trans_op_t * arg,
set_aes_cbc_iv(priv, enc_ivec, iv_seed); set_aes_cbc_iv(priv, enc_ivec, iv_seed);
#ifdef OPENSSL_1_1 #ifdef HAVE_OPENSSL_1_1
EVP_CIPHER_CTX *ctx = priv->enc_ctx; EVP_CIPHER_CTX *ctx = priv->enc_ctx;
int evp_len; int evp_len;
int evp_ciphertext_len; int evp_ciphertext_len;
@ -248,7 +248,7 @@ static int transop_decode_aes(n2n_trans_op_t * arg,
set_aes_cbc_iv(priv, dec_ivec, iv_seed); set_aes_cbc_iv(priv, dec_ivec, iv_seed);
#ifdef OPENSSL_1_1 #ifdef HAVE_OPENSSL_1_1
EVP_CIPHER_CTX *ctx = priv->dec_ctx; EVP_CIPHER_CTX *ctx = priv->dec_ctx;
int evp_len; int evp_len;
int evp_plaintext_len; int evp_plaintext_len;
@ -319,7 +319,7 @@ static int setup_aes_key(transop_aes_t *priv, const uint8_t *key, ssize_t key_si
size_t key_mat_buf_length; size_t key_mat_buf_length;
/* Clear out any old possibly longer key matter. */ /* Clear out any old possibly longer key matter. */
#ifdef OPENSSL_1_1 #ifdef HAVE_OPENSSL_1_1
memset(&(priv->key), 0, sizeof(priv->key) ); memset(&(priv->key), 0, sizeof(priv->key) );
#else #else
memset(&(priv->enc_key), 0, sizeof(priv->enc_key) ); memset(&(priv->enc_key), 0, sizeof(priv->enc_key) );
@ -344,15 +344,15 @@ static int setup_aes_key(transop_aes_t *priv, const uint8_t *key, ssize_t key_si
*/ */
if(key_size >= 65) { if(key_size >= 65) {
#ifdef OPENSSL_1_1 #ifdef HAVE_OPENSSL_1_1
priv->cipher = EVP_aes_256_cbc(); priv->cipher = EVP_chacha20();
#endif #endif
aes_key_size_bytes = AES256_KEY_BYTES; aes_key_size_bytes = AES256_KEY_BYTES;
SHA512(key, key_size, key_mat_buf); SHA512(key, key_size, key_mat_buf);
key_mat_buf_length = SHA512_DIGEST_LENGTH; key_mat_buf_length = SHA512_DIGEST_LENGTH;
} else if(key_size >= 44) { } else if(key_size >= 44) {
#ifdef OPENSSL_1_1 #ifdef HAVE_OPENSSL_1_1
priv->cipher = EVP_aes_192_cbc(); priv->cipher = EVP_chacha20();
#endif #endif
aes_key_size_bytes = AES192_KEY_BYTES; aes_key_size_bytes = AES192_KEY_BYTES;
SHA384(key, key_size, key_mat_buf); SHA384(key, key_size, key_mat_buf);
@ -360,8 +360,8 @@ static int setup_aes_key(transop_aes_t *priv, const uint8_t *key, ssize_t key_si
SHA256(key_mat_buf, SHA384_DIGEST_LENGTH, key_mat_buf + SHA384_DIGEST_LENGTH); SHA256(key_mat_buf, SHA384_DIGEST_LENGTH, key_mat_buf + SHA384_DIGEST_LENGTH);
key_mat_buf_length = SHA384_DIGEST_LENGTH + SHA256_DIGEST_LENGTH; key_mat_buf_length = SHA384_DIGEST_LENGTH + SHA256_DIGEST_LENGTH;
} else { } else {
#ifdef OPENSSL_1_1 #ifdef HAVE_OPENSSL_1_1
priv->cipher = EVP_aes_128_cbc(); priv->cipher = EVP_chacha20();
#endif #endif
aes_key_size_bytes = AES128_KEY_BYTES; aes_key_size_bytes = AES128_KEY_BYTES;
SHA256(key, key_size, key_mat_buf); SHA256(key, key_size, key_mat_buf);
@ -381,7 +381,7 @@ static int setup_aes_key(transop_aes_t *priv, const uint8_t *key, ssize_t key_si
/* setup of key, used for the CBC encryption */ /* setup of key, used for the CBC encryption */
aes_key_size_bits = 8 * aes_key_size_bytes; aes_key_size_bits = 8 * aes_key_size_bytes;
#ifdef OPENSSL_1_1 #ifdef HAVE_OPENSSL_1_1
memcpy (priv->key, key_mat_buf, aes_key_size_bytes); memcpy (priv->key, key_mat_buf, aes_key_size_bytes);
#else #else
AES_set_encrypt_key(key_mat_buf, aes_key_size_bits, &(priv->enc_key)); AES_set_encrypt_key(key_mat_buf, aes_key_size_bits, &(priv->enc_key));
@ -425,7 +425,7 @@ int n2n_transop_aes_cbc_init(const n2n_edge_conf_t *conf, n2n_trans_op_t *ttt) {
} }
ttt->priv = priv; ttt->priv = priv;
#ifdef OPENSSL_1_1 #ifdef HAVE_OPENSSL_1_1
/* Setup openssl's reusable evp_* contexts for encryption and decryption*/ /* Setup openssl's reusable evp_* contexts for encryption and decryption*/
if(!(priv->enc_ctx = EVP_CIPHER_CTX_new())) { if(!(priv->enc_ctx = EVP_CIPHER_CTX_new())) {
traceEvent(TRACE_ERROR, "openssl's evp_* encryption context creation: %s\n", openssl_err_as_string()); traceEvent(TRACE_ERROR, "openssl's evp_* encryption context creation: %s\n", openssl_err_as_string());

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