From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Sun, 1 Jan 2023 15:37:33 +0000 (+0000)
Subject: ascii dump on xchacha20 to compare against x86 version
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c7ad206981bf0b58437717f7ac8fe27ac413a879;p=openpower-isa.git

ascii dump on xchacha20 to compare against x86 version
---

diff --git a/crypto/chacha20/Makefile b/crypto/chacha20/Makefile
index ef18a75a..fb64bfa5 100644
--- a/crypto/chacha20/Makefile
+++ b/crypto/chacha20/Makefile
@@ -10,7 +10,7 @@ LFLAGS = -Wall
 
 SRCDIR	= src
 
-SOURCES	:= $(wildcard $(SRCDIR)/*.c)
+SOURCES	:= $(SRCDIR)/xchacha20.c $(SRCDIR)/test.c
 INCLUDES	:= $(wildcard $(SRCDIR)/*.h))
 OBJECTS	:= $(SOURCES:$(SRCDIR)/%.c=$(SRCDIR)/%.o)
 
diff --git a/crypto/chacha20/src/svp64test.c b/crypto/chacha20/src/svp64test.c
index 3e081137..d12af4b6 100644
--- a/crypto/chacha20/src/svp64test.c
+++ b/crypto/chacha20/src/svp64test.c
@@ -59,7 +59,9 @@ int check_cpp(void){
 	uint8_t plaintext[] = "My Plaintext!! My Dear plaintext!!!";
 	uint32_t msglen = strlen((char *)plaintext);
 
+    /* knock one byte off the end */
     plaintext[msglen-1] = 0;
+    msglen -= 1;
 
 	xchacha_keysetup(&ctx, key, iv);
 
diff --git a/crypto/chacha20/src/test.c b/crypto/chacha20/src/test.c
index 2dfa4c1a..9562fbf3 100644
--- a/crypto/chacha20/src/test.c
+++ b/crypto/chacha20/src/test.c
@@ -45,9 +45,13 @@ int check_cpp(void){
 			0x6C, 0x72
 	};
 
-	uint8_t plaintext[] = "My Plaintext!! My Dear plaintext!!";
+	uint8_t plaintext[] = "My Plaintext!! My Dear plaintext!!!";
 	uint32_t msglen = strlen((char *)plaintext);
 
+    /* knock one byte off the end */
+    plaintext[msglen-1] = 0;
+    msglen -= 1;
+
 	/* Allocate a buffer to hold our calculated ciphertext */
 	if((buffer = malloc(50 * sizeof(uint8_t))) == NULL){
 		perror("malloc() error");
diff --git a/src/openpower/decoder/isa/pypowersim.py b/src/openpower/decoder/isa/pypowersim.py
index bcbf8e9f..4cb32a6b 100644
--- a/src/openpower/decoder/isa/pypowersim.py
+++ b/src/openpower/decoder/isa/pypowersim.py
@@ -405,7 +405,7 @@ def run_simulation():
         print ("SPRs")
         simulator.spr.dump()
         print ("Mem")
-        simulator.mem.dump()
+        simulator.mem.dump(asciidump=True)
 
         for fname, offs, length in write_to:
             write_data(simulator.mem, fname, offs, length)