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Diffstat (limited to 'src/key_derivation.c')
-rw-r--r--src/key_derivation.c37
1 files changed, 29 insertions, 8 deletions
diff --git a/src/key_derivation.c b/src/key_derivation.c
index 51431dd..84abdae 100644
--- a/src/key_derivation.c
+++ b/src/key_derivation.c
@@ -164,6 +164,15 @@ int key_derivation_aesctr_init(key_derivation_t* kd)
if(!kd)
return -1;
+ if(kd->params_)
+ free(kd->params_);
+ kd->params_ = malloc(sizeof(key_derivation_aesctr_param_t));
+ if(!kd->params_)
+ return -2;
+
+ key_derivation_aesctr_param_t* params = kd->params_;
+
+#ifndef USE_SSL_CRYPTO
int algo;
switch(kd->key_length_) {
case 128: algo = GCRY_CIPHER_AES128; break;
@@ -174,14 +183,6 @@ int key_derivation_aesctr_init(key_derivation_t* kd)
return -1;
}
}
-
- if(kd->params_)
- free(kd->params_);
- kd->params_ = malloc(sizeof(key_derivation_aesctr_param_t));
- if(!kd->params_)
- return -2;
-
- key_derivation_aesctr_param_t* params = kd->params_;
gcry_error_t err = gcry_cipher_open(&params->handle_, algo, GCRY_CIPHER_MODE_CTR, 0);
if(err) {
@@ -194,6 +195,13 @@ int key_derivation_aesctr_init(key_derivation_t* kd)
log_printf(ERR, "failed to set key derivation key: %s", gcry_strerror(err));
return -1;
}
+#else
+ int ret = AES_set_encrypt_key(kd->master_key_.buf_, kd->master_key_.length_*8, &params->aes_key_);
+ if(ret) {
+ log_printf(ERR, "failed to set key derivation ssl aes-key (code: %d)", ret);
+ return -1;
+ }
+#endif
return 0;
}
@@ -206,8 +214,10 @@ void key_derivation_aesctr_close(key_derivation_t* kd)
if(kd->params_) {
key_derivation_aesctr_param_t* params = kd->params_;
+#ifndef USE_SSL_CRYPTO
if(params->handle_)
gcry_cipher_close(params->handle_);
+#endif
free(kd->params_);
}
@@ -279,6 +289,7 @@ int key_derivation_aesctr_generate(key_derivation_t* kd, satp_prf_label_t label,
return 0;
}
+#ifndef USE_SSL_CRYPTO
gcry_error_t err = gcry_cipher_reset(params->handle_);
if(err) {
log_printf(ERR, "failed to reset key derivation cipher: %s", gcry_strerror(err));
@@ -298,6 +309,16 @@ int key_derivation_aesctr_generate(key_derivation_t* kd, satp_prf_label_t label,
log_printf(ERR, "failed to generate key derivation bitstream: %s", gcry_strerror(err));
return -1;
}
+#else
+ if(KD_AESCTR_CTR_LENGTH != AES_BLOCK_SIZE) {
+ log_printf(ERR, "failed to set key derivation CTR: size don't fits");
+ return -1;
+ }
+ u_int32_t num = 0;
+ memset(params->ecount_buf, 0, AES_BLOCK_SIZE);
+ memset(key, 0, len);
+ AES_ctr128_encrypt(key, key, len, &params->aes_key_, params->ctr_.buf_, params->ecount_buf, &num);
+#endif
if(!kd->ld_kdr_)
return 1;