From aa4d426b4d3527d7e166df1a05058c9a4a0f6683 Mon Sep 17 00:00:00 2001
From: Wojtek Kosior <wk@koszkonutek-tmp.pl.eu.org>
Date: Fri, 30 Apr 2021 00:33:56 +0200
Subject: initial/final commit

---
 openssl-1.1.0h/crypto/asn1/p5_pbe.c | 96 +++++++++++++++++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100644 openssl-1.1.0h/crypto/asn1/p5_pbe.c

(limited to 'openssl-1.1.0h/crypto/asn1/p5_pbe.c')

diff --git a/openssl-1.1.0h/crypto/asn1/p5_pbe.c b/openssl-1.1.0h/crypto/asn1/p5_pbe.c
new file mode 100644
index 0000000..ab7e168
--- /dev/null
+++ b/openssl-1.1.0h/crypto/asn1/p5_pbe.c
@@ -0,0 +1,96 @@
+/*
+ * Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <stdio.h>
+#include "internal/cryptlib.h"
+#include <openssl/asn1t.h>
+#include <openssl/x509.h>
+#include <openssl/rand.h>
+
+/* PKCS#5 password based encryption structure */
+
+ASN1_SEQUENCE(PBEPARAM) = {
+        ASN1_SIMPLE(PBEPARAM, salt, ASN1_OCTET_STRING),
+        ASN1_SIMPLE(PBEPARAM, iter, ASN1_INTEGER)
+} ASN1_SEQUENCE_END(PBEPARAM)
+
+IMPLEMENT_ASN1_FUNCTIONS(PBEPARAM)
+
+/* Set an algorithm identifier for a PKCS#5 PBE algorithm */
+
+int PKCS5_pbe_set0_algor(X509_ALGOR *algor, int alg, int iter,
+                         const unsigned char *salt, int saltlen)
+{
+    PBEPARAM *pbe = NULL;
+    ASN1_STRING *pbe_str = NULL;
+    unsigned char *sstr = NULL;
+
+    pbe = PBEPARAM_new();
+    if (pbe == NULL) {
+        ASN1err(ASN1_F_PKCS5_PBE_SET0_ALGOR, ERR_R_MALLOC_FAILURE);
+        goto err;
+    }
+    if (iter <= 0)
+        iter = PKCS5_DEFAULT_ITER;
+    if (!ASN1_INTEGER_set(pbe->iter, iter)) {
+        ASN1err(ASN1_F_PKCS5_PBE_SET0_ALGOR, ERR_R_MALLOC_FAILURE);
+        goto err;
+    }
+    if (!saltlen)
+        saltlen = PKCS5_SALT_LEN;
+
+    sstr = OPENSSL_malloc(saltlen);
+    if (sstr == NULL) {
+        ASN1err(ASN1_F_PKCS5_PBE_SET0_ALGOR, ERR_R_MALLOC_FAILURE);
+        goto err;
+    }
+    if (salt)
+        memcpy(sstr, salt, saltlen);
+    else if (RAND_bytes(sstr, saltlen) <= 0)
+        goto err;
+
+    ASN1_STRING_set0(pbe->salt, sstr, saltlen);
+    sstr = NULL;
+
+    if (!ASN1_item_pack(pbe, ASN1_ITEM_rptr(PBEPARAM), &pbe_str)) {
+        ASN1err(ASN1_F_PKCS5_PBE_SET0_ALGOR, ERR_R_MALLOC_FAILURE);
+        goto err;
+    }
+
+    PBEPARAM_free(pbe);
+    pbe = NULL;
+
+    if (X509_ALGOR_set0(algor, OBJ_nid2obj(alg), V_ASN1_SEQUENCE, pbe_str))
+        return 1;
+
+ err:
+    OPENSSL_free(sstr);
+    PBEPARAM_free(pbe);
+    ASN1_STRING_free(pbe_str);
+    return 0;
+}
+
+/* Return an algorithm identifier for a PKCS#5 PBE algorithm */
+
+X509_ALGOR *PKCS5_pbe_set(int alg, int iter,
+                          const unsigned char *salt, int saltlen)
+{
+    X509_ALGOR *ret;
+    ret = X509_ALGOR_new();
+    if (ret == NULL) {
+        ASN1err(ASN1_F_PKCS5_PBE_SET, ERR_R_MALLOC_FAILURE);
+        return NULL;
+    }
+
+    if (PKCS5_pbe_set0_algor(ret, alg, iter, salt, saltlen))
+        return ret;
+
+    X509_ALGOR_free(ret);
+    return NULL;
+}
-- 
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