1 files changed, 0 insertions, 142 deletions
diff --git a/lib/liboqs/src/common/rand/rand.c b/lib/liboqs/src/common/rand/rand.c
deleted file mode 100644
index cb7404a4e..000000000
--- a/lib/liboqs/src/common/rand/rand.c
+++ /dev/null
@@ -1,142 +0,0 @@
-// SPDX-License-Identifier: MIT
-
-#include <stdio.h>
-#if defined(_WIN32)
-#include <windows.h>
-#include <wincrypt.h>
-#define strcasecmp _stricmp
-#else
-#include <unistd.h>
-#include <strings.h>
-#if defined(__APPLE__)
-#include <TargetConditionals.h>
-#if TARGET_OS_IPHONE || TARGET_IPHONE_SIMULATOR
-#include <Security/SecRandom.h>
-#else
-#include <sys/random.h>
-#endif
-#else
-#include <unistd.h>
-#endif
-#endif
-#include <fcntl.h>
-#include <stdlib.h>
-
-#include <oqs/oqs.h>
-
-void OQS_randombytes_system(uint8_t *random_array, size_t bytes_to_read);
-void OQS_randombytes_nist_kat(uint8_t *random_array, size_t bytes_to_read);
-#ifdef OQS_USE_OPENSSL
-void OQS_randombytes_openssl(uint8_t *random_array, size_t bytes_to_read);
-#endif
-
-#ifdef OQS_USE_OPENSSL
-#include <openssl/rand.h>
-// Use OpenSSL's RAND_bytes as the default PRNG
-static void (*oqs_randombytes_algorithm)(uint8_t *, size_t) = &OQS_randombytes_openssl;
-#else
-static void (*oqs_randombytes_algorithm)(uint8_t *, size_t) = &OQS_randombytes_system;
-#endif
-OQS_API OQS_STATUS OQS_randombytes_switch_algorithm(const char *algorithm) {
-	if (0 == strcasecmp(OQS_RAND_alg_system, algorithm)) {
-		oqs_randombytes_algorithm = &OQS_randombytes_system;
-		return OQS_SUCCESS;
-	} else if (0 == strcasecmp(OQS_RAND_alg_nist_kat, algorithm)) {
-		oqs_randombytes_algorithm = &OQS_randombytes_nist_kat;
-		return OQS_SUCCESS;
-	} else if (0 == strcasecmp(OQS_RAND_alg_openssl, algorithm)) {
-#ifdef OQS_USE_OPENSSL
-		oqs_randombytes_algorithm = &OQS_randombytes_openssl;
-		return OQS_SUCCESS;
-#else
-		return OQS_ERROR;
-#endif
-	} else {
-		return OQS_ERROR;
-	}
-}
-
-OQS_API void OQS_randombytes_custom_algorithm(void (*algorithm_ptr)(uint8_t *, size_t)) {
-	oqs_randombytes_algorithm = algorithm_ptr;
-}
-
-OQS_API void OQS_randombytes(uint8_t *random_array, size_t bytes_to_read) {
-	oqs_randombytes_algorithm(random_array, bytes_to_read);
-}
-
-#if !defined(_WIN32)
-#if defined(OQS_HAVE_GETENTROPY)
-void OQS_randombytes_system(uint8_t *random_array, size_t bytes_to_read) {
-	while (bytes_to_read > 256) {
-		if (getentropy(random_array, 256)) {
-			exit(EXIT_FAILURE);
-		}
-		random_array += 256;
-		bytes_to_read -= 256;
-	}
-	if (getentropy(random_array, bytes_to_read)) {
-		exit(EXIT_FAILURE);
-	}
-}
-#else
-#if defined(__APPLE__) && (TARGET_OS_IPHONE || TARGET_IPHONE_SIMULATOR)
-void OQS_randombytes_system(uint8_t *random_array, size_t bytes_to_read) {
-	int status =
-	    SecRandomCopyBytes(kSecRandomDefault, bytes_to_read, random_array);
-
-	if (status == errSecSuccess) {
-		perror("OQS_randombytes");
-		exit(EXIT_FAILURE);
-	}
-}
-#else
-void OQS_randombytes_system(uint8_t *random_array, size_t bytes_to_read) {
-	FILE *handle;
-	size_t bytes_read;
-
-	handle = fopen("/dev/urandom", "rb");
-	if (!handle) {
-		perror("OQS_randombytes");
-		exit(EXIT_FAILURE);
-	}
-
-	bytes_read = fread(random_array, 1, bytes_to_read, handle);
-	if (bytes_read < bytes_to_read || ferror(handle)) {
-		perror("OQS_randombytes");
-		exit(EXIT_FAILURE);
-	}
-
-	fclose(handle);
-}
-#endif
-#endif
-#else
-void OQS_randombytes_system(uint8_t *random_array, size_t bytes_to_read) {
-	HCRYPTPROV hCryptProv;
-	if (!CryptAcquireContext(&hCryptProv, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT) ||
-	        !CryptGenRandom(hCryptProv, (DWORD) bytes_to_read, random_array)) {
-		exit(EXIT_FAILURE); // better to fail than to return bad random data
-	}
-	CryptReleaseContext(hCryptProv, 0);
-}
-#endif
-
-#ifdef OQS_USE_OPENSSL
-#define OQS_RAND_POLL_RETRY 3 // in case failure to get randomness is a temporary problem, allow some repeats
-void OQS_randombytes_openssl(uint8_t *random_array, size_t bytes_to_read) {
-	int rep = OQS_RAND_POLL_RETRY;
-	SIZE_T_TO_INT_OR_EXIT(bytes_to_read, bytes_to_read_int)
-	do {
-		if (RAND_status() == 1) {
-			break;
-		}
-		RAND_poll();
-	} while (rep-- >= 0);
-	if (RAND_bytes(random_array, bytes_to_read_int) != 1) {
-		fprintf(stderr, "No OpenSSL randomness retrieved. DRBG available?\n");
-		// because of void signature we have no other way to signal the problem
-		// we cannot possibly return without randomness
-		exit(EXIT_FAILURE);
-	}
-}
-#endif