We need to know who's responsible for the stuff here if something bre…

…aks :) Public domain comment.

src/aes/aes_ctr_prng.c

@@ -1,3 +1,27 @@
+/*
+ * AES CTR PRNG Implementation
+ * Author: Fabian Druschke
+ * Date: 2024-03-13
+ *
+ * This is an AES (Advanced Encryption Standard) implementation in CTR (Counter) mode
+ * for pseudorandom number generation, utilizing OpenSSL for cryptographic functions.
+ *
+ * As the author of this implementation, I, Fabian Druschke, hereby release this work into
+ * the public domain. I dedicate any and all copyright interest in this work to the public
+ * domain, making it free to use for anyone for any purpose without any conditions, unless
+ * such conditions are required by law.
+ *
+ * This software is provided "as is", without warranty of any kind, express or implied,
+ * including but not limited to the warranties of merchantability, fitness for a particular
+ * purpose and noninfringement. In no event shall the authors be liable for any claim,
+ * damages or other liability, whether in an action of contract, tort or otherwise, arising
+ * from, out of or in connection with the software or the use or other dealings in the software.
+ *
+ * USAGE OF OPENSSL IN THIS SOFTWARE:
+ * This software uses OpenSSL for cryptographic operations. Users are responsible for
+ * ensuring compliance with OpenSSL's licensing terms.
+ */
+
 #include "aes_ctr_prng.h"
 #include <openssl/rand.h>
 #include <string.h>

src/aes/aes_ctr_prng.h

@@ -1,22 +1,47 @@
+/*
+ * AES CTR PRNG Definitions
+ * Author: Fabian Druschke
+ * Date: 2024-03-13
+ *
+ * This header file contains definitions for the AES (Advanced Encryption Standard)
+ * implementation in CTR (Counter) mode for pseudorandom number generation, utilizing
+ * OpenSSL for cryptographic functions.
+ *
+ * As the author of this work, I, Fabian Druschke, hereby release this work into the public
+ * domain. I dedicate any and all copyright interest in this work to the public domain,
+ * making it free to use for anyone for any purpose without any conditions, unless such
+ * conditions are required by law.
+ *
+ * This software is provided "as is", without warranty of any kind, express or implied,
+ * including but not limited to the warranties of merchantability, fitness for a particular
+ * purpose and noninfringement. In no event shall the authors be liable for any claim,
+ * damages or other liability, whether in an action of contract, tort or otherwise, arising
+ * from, out of or in connection with the software or the use or other dealings in the software.
+ *
+ * USAGE OF OPENSSL IN THIS SOFTWARE:
+ * This software uses OpenSSL for cryptographic operations. Users are responsible for
+ * ensuring compliance with OpenSSL's licensing terms.
+ */
+
 #ifndef AES_CTR_RNG_H
 #define AES_CTR_RNG_H
 
 #include <stdint.h>
 #include <openssl/aes.h>
 
 // Structure to store the state of the AES-CTR random number generator
-typedef struct {
-    AES_KEY aes_key;                   // AES key for encryption
-    unsigned char ivec[AES_BLOCK_SIZE]; // Initialization vector
-    unsigned int num;                  // Number of bytes that have been processed
-    unsigned char ecount[AES_BLOCK_SIZE]; // Encryption counter block
+typedef struct
+{
+    AES_KEY aes_key;  // AES key for encryption
+    unsigned char ivec[AES_BLOCK_SIZE];  // Initialization vector
+    unsigned int num;  // Number of bytes that have been processed
+    unsigned char ecount[AES_BLOCK_SIZE];  // Encryption counter block
 } aes_ctr_state_t;
 
 // Initializes the AES-CTR random number generator
-void init_aes_ctr(aes_ctr_state_t* state, const unsigned char* key);
+void init_aes_ctr( aes_ctr_state_t* state, const unsigned char* key );
 
 // Generates a 128-bit random number using AES-CTR and stores it directly in the output buffer
-void aes_ctr_prng_genrand_uint128_to_buf(aes_ctr_state_t* state, unsigned char* bufpos);
+void aes_ctr_prng_genrand_uint128_to_buf( aes_ctr_state_t* state, unsigned char* bufpos );
 
 #endif  // AES_CTR_RNG_H
-