File nss-fips-cavs-kas-ffc.patch of Package mozilla-nss

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File nss-fips-cavs-kas-ffc.patch of Package mozilla-nss (Revision a12ad1ffb85acbc1b176f0dfeff5305d)

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# HG changeset patch
# User Hans Petter Jansson <hpj@cl.no>
# Date 1574234297 -3600
#      Wed Nov 20 08:18:17 2019 +0100
# Node ID af7d3ee4e96cf685be0b95dff7aa5a1d3ab64a89
# Parent  5d6e015d1af40b5f5b990d0cf4d97932774c2a61
[PATCH] 20
From ac98082c3bc0c9f85213078b730980483062f25c Mon Sep 17 00:00:00 2001
---
 nss/cmd/fipstest/fipstest.c | 194 ++++++++++++++++++++++++++++++++++++
 nss/cmd/fipstest/kas.sh     |  47 +++++++++
 2 files changed, 241 insertions(+)
 create mode 100644 nss/cmd/fipstest/kas.sh

diff --git a/cmd/fipstest/fipstest.c b/cmd/fipstest/fipstest.c
--- a/cmd/fipstest/fipstest.c
+++ b/cmd/fipstest/fipstest.c
@@ -2258,6 +2258,29 @@
     return rv;
 }
 
+SECStatus
+fips_hashBuf_zeropad(HASH_HashType type, unsigned char *hashBuf,
+                     unsigned char *msg, int len, int pad_to_len)
+{
+    unsigned char buf [8192];
+
+    if (pad_to_len > 8192)
+    {
+        fprintf (stderr, "Internal buffer too small.\n");
+        exit (1);
+    }
+
+    if (len > pad_to_len)
+    {
+        fprintf (stderr, "Value to hash exceeds maximum length.\n");
+        exit (1);
+    }
+
+    memset (buf, 0, pad_to_len - len);
+    memcpy (buf + (pad_to_len - len), msg, len);
+    return fips_hashBuf (type, hashBuf, buf, pad_to_len);
+}
+
 int
 fips_hashLen(HASH_HashType type)
 {
@@ -8907,6 +8930,168 @@
     }
 }
 
+static int
+parse_secitem (const char *name, const char *buf, SECItem *secitem)
+{
+    if (!strncmp (buf, name, strlen (name))) {
+        int i, j, len;
+
+        i = strlen (name);
+        while (isspace(buf[i]) || buf[i] == '=') {
+            i++;
+        }
+
+        len = strspn (&buf[i], "0123456789abcdefABCDEF");
+        if (!len)
+            return 0;
+
+        if (secitem->data) {
+            SECITEM_ZfreeItem(secitem, PR_FALSE);
+            secitem->data = NULL;
+        }
+
+        len = (len + 1) / 2;
+        SECITEM_AllocItem(NULL, secitem, len);
+        secitem->len = len;
+
+        memset(secitem->data, 0, secitem->len);
+        for (j = 0; j < secitem->len; i += 2, j++) {
+            hex_to_byteval(&buf[i], &secitem->data[j]);
+        }
+
+        return 1;
+    }
+
+    return 0;
+}
+
+void
+kas_ffc_test(char *reqfn, int do_validity)
+{
+    char buf[1024];
+    FILE *req;  /* input stream from the REQUEST file */
+    FILE *resp; /* output stream to the RESPONSE file */
+    PQGParams keyParams;
+    HASH_HashType hashType = HASH_AlgNULL;
+    int hashNum = 0;
+    SECItem y_ephem_cavs;
+    SECItem x_ephem_iut;
+    SECItem y_ephem_iut;
+    SECItem cavs_hash_zz;
+
+    req = fopen(reqfn, "r");
+    resp = stdout;
+    memset(&keyParams, 0, sizeof(keyParams));
+    memset(&y_ephem_cavs, 0, sizeof(y_ephem_cavs));
+    memset(&x_ephem_iut, 0, sizeof(x_ephem_iut));
+    memset(&y_ephem_iut, 0, sizeof(y_ephem_iut));
+    memset(&cavs_hash_zz, 0, sizeof(cavs_hash_zz));
+
+    while (fgets(buf, sizeof buf, req) != NULL) {
+        /* [xx] or
+         * [xx - SHAxxx] or
+         * [SHA(s) supported (Used for hashing Z):  SHAxxx] */
+        if (buf[0] == '[') {
+            unsigned char tbuf [2];
+
+            if (sscanf(buf, "[%c%c - SHA%d]", &tbuf [0], &tbuf [1],
+                       &hashNum) != 3) {
+                fputs(buf, resp);
+                continue;
+            }
+
+            fputs(buf, resp);
+
+            hashType = sha_get_hashType(hashNum);
+            if (hashType == HASH_AlgNULL) {
+                fprintf(resp, "ERROR: invalid hash (SHA-%d)", hashNum);
+                goto out;
+            }
+
+            continue;
+        } else if (parse_secitem ("YephemCAVS", buf, &y_ephem_cavs)) {
+            fputs(buf, resp);
+
+            if (!do_validity) {
+                SECItem ZZ;
+                unsigned char ZZ_hash_buf [1024];
+                DHParams dh_params;
+                DHPrivateKey *dh_privKey;
+
+                dh_params.prime = keyParams.prime;
+                dh_params.base = keyParams.base;
+
+                DH_NewKey (&dh_params, &dh_privKey);
+                DH_Derive(&y_ephem_cavs, &keyParams.prime, &dh_privKey->privateValue, &ZZ, 0);
+
+                fips_hashBuf_zeropad(hashType, ZZ_hash_buf, ZZ.data, ZZ.len, keyParams.prime.len);
+
+                to_hex_str(buf, dh_privKey->publicValue.data, dh_privKey->publicValue.len);
+                fprintf(resp, "YephemIUT = %s\n", buf);
+
+                to_hex_str(buf, ZZ_hash_buf, hashNum / 8);
+                fprintf(resp, "HashZZ = %s\n", buf);
+
+                PORT_FreeArena(dh_privKey->arena, PR_TRUE);
+            }
+
+            continue;
+        } else if (parse_secitem ("XephemIUT", buf, &x_ephem_iut)) {
+            fputs(buf, resp);
+            continue;
+        } else if (parse_secitem ("YephemIUT", buf, &y_ephem_iut)) {
+            fputs(buf, resp);
+            continue;
+        } else if (parse_secitem ("CAVSHashZZ", buf, &cavs_hash_zz)) {
+            if (do_validity) {
+                SECItem ZZ;
+                unsigned char ZZ_hash_buf [1024];
+                char Z_buf [1024];
+
+                DH_Derive(&y_ephem_cavs, &keyParams.prime, &x_ephem_iut, &ZZ, 0);
+
+                fputs(buf, resp);
+
+                to_hex_str(Z_buf, ZZ.data, ZZ.len);
+
+                fips_hashBuf_zeropad(hashType, ZZ_hash_buf, ZZ.data, ZZ.len, keyParams.prime.len);
+                to_hex_str(Z_buf, ZZ_hash_buf, hashNum / 8);
+                fprintf(resp, "IUTHashZZ = %s\n", Z_buf);
+
+                fprintf(resp, "Result = %s\n",
+                        (cavs_hash_zz.len == hashNum / 8 && memcmp (cavs_hash_zz.data, ZZ_hash_buf, hashNum / 8) == 0) ? "P" : "F");
+            } else {
+                fputs(buf, resp);
+            }
+            continue;
+        } else if (parse_secitem ("P", buf, &keyParams.prime)) {
+            fputs(buf, resp);
+            continue;
+        } else if (parse_secitem ("Q", buf, &keyParams.subPrime)) {
+            fputs(buf, resp);
+            continue;
+        } else if (parse_secitem ("G", buf, &keyParams.base)) {
+            fputs(buf, resp);
+            continue;
+        } else {
+            /* Comments, blank lines, ... */
+            fputs(buf, resp);
+        }
+    }
+
+out:
+    fclose(req);
+    if (keyParams.prime.data) { /* P */
+        SECITEM_ZfreeItem(&keyParams.prime, PR_FALSE);
+    }
+    if (keyParams.subPrime.data) { /* Q */
+        SECITEM_ZfreeItem(&keyParams.subPrime, PR_FALSE);
+    }
+    if (keyParams.base.data) { /* G */
+        SECITEM_ZfreeItem(&keyParams.base, PR_FALSE);
+    }
+}
+
 int
 main(int argc, char **argv)
 {
@@ -9093,6 +9278,15 @@
         /* AES Keywrap */
         /***************/
         keywrap(argv[2]);
+    } else if (strcmp(argv[1], "kasffc") == 0) {
+        /***************/
+        /* KAS FFC */
+        /***************/
+        if (strcmp(argv[2], "validity") == 0) {
+            kas_ffc_test(argv[3], PR_TRUE);
+        } else {
+            kas_ffc_test(argv[3], PR_FALSE);
+        }
     }
     return 0;
 }
diff --git a/cmd/fipstest/kas.sh b/cmd/fipstest/kas.sh
new file mode 100644
--- /dev/null
+++ b/cmd/fipstest/kas.sh
@@ -0,0 +1,47 @@
+#!/bin/sh
+# 
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+# A Bourne shell script for running the NIST RNG Validation Suite
+#
+# Before you run the script, set your PATH, LD_LIBRARY_PATH, ... environment
+# variables appropriately so that the fipstest command and the NSPR and NSS
+# shared libraries/DLLs are on the search path.  Then run this script in the
+# directory where the REQUEST (.req) files reside.  The script generates the
+# RESPONSE (.rsp) files in the same directory.
+BASEDIR=${1-.}
+TESTDIR=${BASEDIR}/KAS
+COMMAND=${2-run}
+REQDIR=${TESTDIR}/req
+RSPDIR=${TESTDIR}/resp
+
+kas_requests_ffc_function="
+KASFunctionTest_FFCEphem_NOKC_ZZOnly_init.req
+KASFunctionTest_FFCEphem_NOKC_ZZOnly_resp.req
+"
+
+kas_requests_ffc_validity="
+KASValidityTest_FFCEphem_NOKC_ZZOnly_init.req
+KASValidityTest_FFCEphem_NOKC_ZZOnly_resp.req
+"
+
+if [ ${COMMAND} = "verify" ]; then
+    for request in $kas_requests; do
+	sh ./validate1.sh ${TESTDIR} $request
+    done
+    exit 0
+fi
+
+for request in $kas_requests_ffc_function; do
+    response=`echo $request | sed -e "s/req/rsp/"`
+    echo $request $response
+    fipstest kasffc function ${REQDIR}/$request > ${RSPDIR}/$response
+done
+
+for request in $kas_requests_ffc_validity; do
+    response=`echo $request | sed -e "s/req/rsp/"`
+    echo $request $response
+    fipstest kasffc validity ${REQDIR}/$request > ${RSPDIR}/$response
+done

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File nss-fips-cavs-kas-ffc.patch of Package mozilla-nss (Revision a12ad1ffb85acbc1b176f0dfeff5305d)

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