X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=src%2Fcrypto.c;h=e3797f8d79d04a0c8e8341786693e2fcc365979a;hb=b1c340b62be086515b951572bf8ffac0acd6c78f;hp=2e2fa5386555c02b1e8c5632ee597c6c52bd513d;hpb=7593adb9ad9e6ff73afe29e9bd445cea8615a151;p=meshlink

diff --git a/src/crypto.c b/src/crypto.c
index 2e2fa538..e3797f8d 100644
--- a/src/crypto.c
+++ b/src/crypto.c
@@ -41,6 +41,20 @@ void crypto_exit(void) {
 	close(random_fd);
 }
 
+void randomize(void *out, size_t outlen) {
+	while(outlen) {
+		size_t len = read(random_fd, out, outlen);
+		if(len <= 0) {
+			if(errno == EAGAIN || errno == EINTR)
+				continue;
+			fprintf(stderr, "Could not read random numbers: %s\n", strerror(errno));
+			abort();
+		}
+		out += len;
+		outlen -= len;
+	}
+}
+
 #else
 
 #include <wincrypt.h>