From 2a8202e74846d191a321cca1202175af9db6107d Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Thu, 5 Nov 2020 01:45:06 +0100
Subject: Convert to sibs project

---
 lib/curve25519-donna/contrib/Curve25519Donna.c | 118 -------------------------
 1 file changed, 118 deletions(-)
 delete mode 100644 lib/curve25519-donna/contrib/Curve25519Donna.c

(limited to 'lib/curve25519-donna/contrib/Curve25519Donna.c')

diff --git a/lib/curve25519-donna/contrib/Curve25519Donna.c b/lib/curve25519-donna/contrib/Curve25519Donna.c
deleted file mode 100644
index 71b816c..0000000
--- a/lib/curve25519-donna/contrib/Curve25519Donna.c
+++ /dev/null
@@ -1,118 +0,0 @@
-/*
-    James Robson
-    Public domain.
-*/
-
-#include "Curve25519Donna.h"
-#include <stdio.h>
-#include <stdlib.h>
-
-extern void curve25519_donna(unsigned char *output, const unsigned char *a,
-                             const unsigned char *b);
-
-unsigned char*
-as_unsigned_char_array(JNIEnv* env, jbyteArray array, int* len);
-
-jbyteArray as_byte_array(JNIEnv* env, unsigned char* buf, int len);
-
-
-jbyteArray as_byte_array(JNIEnv* env, unsigned char* buf, int len) {
-    jbyteArray array = (*env)->NewByteArray(env, len);
-    (*env)->SetByteArrayRegion(env, array, 0, len, (jbyte*)buf);
-
-    //int i;
-    //for (i = 0;i < len;++i) printf("%02x",(unsigned int) buf[i]); printf(" ");
-    //printf("\n");
-
-    return array;
-}
-
-unsigned char*
-as_unsigned_char_array(JNIEnv* env, jbyteArray array, int* len) {
-
-    *len = (*env)->GetArrayLength(env, array);
-    unsigned char* buf = (unsigned char*)calloc(*len+1, sizeof(char));
-    (*env)->GetByteArrayRegion (env, array, 0, *len, (jbyte*)buf);
-    return buf;
-
-}
-
-JNIEXPORT jbyteArray JNICALL Java_Curve25519Donna_curve25519Donna
-  (JNIEnv *env, jobject obj, jbyteArray a, jbyteArray b) {
-
-    unsigned char o[32] = {0};
-    int l1, l2;
-    unsigned char* a1 = as_unsigned_char_array(env, a, &l1);
-    unsigned char* b1 = as_unsigned_char_array(env, b, &l2);
-
-    if ( !(l1 == 32 && l2 == 32) ) {
-        fprintf(stderr, "Error, must be length 32");
-        return NULL;
-    }
-
-
-    curve25519_donna(o, (const unsigned char*)a1, (const unsigned char*)b1);
-
-    free(a1);
-    free(b1);
-
-    return as_byte_array(env, (unsigned char*)o, 32);
-}
-
-JNIEXPORT jbyteArray JNICALL Java_Curve25519Donna_makePrivate
-  (JNIEnv *env, jobject obj, jbyteArray secret) {
-
-    int len;
-    unsigned char* k = as_unsigned_char_array(env, secret, &len);
-
-    if (len != 32) {
-        fprintf(stderr, "Error, must be length 32");        
-        return NULL;
-    }
-
-    k[0] &= 248;
-    k[31] &= 127;
-    k[31] |= 64;
-    return as_byte_array(env, k, 32);
-}
-
-JNIEXPORT jbyteArray JNICALL Java_Curve25519Donna_getPublic
-  (JNIEnv *env, jobject obj, jbyteArray privkey) {
-
-    int len;
-    unsigned char* private = as_unsigned_char_array(env, privkey, &len);
-
-    if (len != 32) {
-        fprintf(stderr, "Error, must be length 32");        
-        return NULL;
-    }
-
-    unsigned char pubkey[32];
-    unsigned char basepoint[32] = {9};
-
-    curve25519_donna(pubkey, private, basepoint);
-    return as_byte_array(env, (unsigned char*)pubkey, 32);
-}
-
-JNIEXPORT jbyteArray JNICALL Java_Curve25519Donna_makeSharedSecret
-  (JNIEnv *env, jobject obj, jbyteArray privkey, jbyteArray their_pubkey) {
-
-    unsigned char shared_secret[32];
-
-    int l1, l2;
-    unsigned char* private = as_unsigned_char_array(env, privkey, &l1);
-    unsigned char* pubkey = as_unsigned_char_array(env, their_pubkey, &l2);
-
-    if ( !(l1 == 32 && l2 == 32) ) {
-        fprintf(stderr, "Error, must be length 32");
-        return NULL;
-    }
-
-    curve25519_donna(shared_secret, private, pubkey);
-    return as_byte_array(env, (unsigned char*)shared_secret, 32);
-}
-
-JNIEXPORT void JNICALL Java_Curve25519Donna_helowrld
-  (JNIEnv *env, jobject obj) {
-    printf("helowrld\n");
-}
-- 
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