File rng-performance.patch of Package libica2

Index: libica-2.6.2/src/s390_prng.c
===================================================================
--- libica-2.6.2.orig/src/s390_prng.c
+++ libica-2.6.2/src/s390_prng.c
@@ -76,10 +76,9 @@ int s390_prng_init(void)
 	// available. However, the old prng is still initialized but
 	// only used as a fallback.
 	if(sha512_switch || sha512_drng_switch){
-		const char *pers = "ica_drbg_global";
 		ica_drbg_instantiate(&ica_drbg_global, 256, true,
-				     ICA_DRBG_SHA512, (unsigned char *)pers,
-				     strlen(pers));
+				     ICA_DRBG_SHA512,
+				     (unsigned char *)"GLOBAL INSTANCE", 15);
 	}
 
 	// The old prng code starts here:
@@ -181,7 +180,7 @@ int s390_prng(unsigned char *output_data
 		unsigned char *ptr = output_data;
 		size_t i = 0;
 		for(; i < q; i++){
-			status = ica_drbg_generate(ica_drbg_global, 256, true,
+			status = ica_drbg_generate(ica_drbg_global, 256, false,
 						   NULL, 0, ptr,
 						   ICA_DRBG_SHA512
 						   ->max_no_of_bytes_per_req);
@@ -191,7 +190,7 @@ int s390_prng(unsigned char *output_data
 			ptr += ICA_DRBG_SHA512->max_no_of_bytes_per_req;
 		}
 		if(!status){
-			status = ica_drbg_generate(ica_drbg_global, 256, true,
+			status = ica_drbg_generate(ica_drbg_global, 256, false,
 						   NULL, 0, ptr, r);
 			if(!status)
 				return 0;