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-rw-r--r--libmincrypt/Android.mk18
-rw-r--r--libmincrypt/rsa.c198
-rw-r--r--libmincrypt/sha.c142
-rw-r--r--libmincrypt/tools/Android.mk21
-rw-r--r--libmincrypt/tools/DumpPublicKey.java130
-rw-r--r--libmincrypt/tools/DumpPublicKey.mf1
6 files changed, 0 insertions, 510 deletions
diff --git a/libmincrypt/Android.mk b/libmincrypt/Android.mk
deleted file mode 100644
index b09a9410c..000000000
--- a/libmincrypt/Android.mk
+++ /dev/null
@@ -1,18 +0,0 @@
-# Copyright 2008 The Android Open Source Project
-#
-LOCAL_PATH := $(call my-dir)
-include $(CLEAR_VARS)
-
-LOCAL_MODULE := libmincrypt
-LOCAL_SRC_FILES := rsa.c sha.c
-include $(BUILD_STATIC_LIBRARY)
-
-include $(CLEAR_VARS)
-
-LOCAL_MODULE := libmincrypt
-LOCAL_SRC_FILES := rsa.c sha.c
-include $(BUILD_HOST_STATIC_LIBRARY)
-
-
-# TODO: drop the hyphen once these are checked in
-include $(LOCAL_PATH)/tools/Android.mk
diff --git a/libmincrypt/rsa.c b/libmincrypt/rsa.c
deleted file mode 100644
index d7124fb65..000000000
--- a/libmincrypt/rsa.c
+++ /dev/null
@@ -1,198 +0,0 @@
-/* rsa.c
-**
-** Copyright 2008, The Android Open Source Project
-**
-** Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions are met:
-** * Redistributions of source code must retain the above copyright
-** notice, this list of conditions and the following disclaimer.
-** * Redistributions in binary form must reproduce the above copyright
-** notice, this list of conditions and the following disclaimer in the
-** documentation and/or other materials provided with the distribution.
-** * Neither the name of Google Inc. nor the names of its contributors may
-** be used to endorse or promote products derived from this software
-** without specific prior written permission.
-**
-** THIS SOFTWARE IS PROVIDED BY Google Inc. ``AS IS'' AND ANY EXPRESS OR
-** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-** MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
-** EVENT SHALL Google Inc. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-** PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
-** OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
-** WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
-** OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
-** ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-#include "mincrypt/rsa.h"
-#include "mincrypt/sha.h"
-
-/* a[] -= mod */
-static void subM(const RSAPublicKey *key, uint32_t *a) {
- int64_t A = 0;
- int i;
- for (i = 0; i < key->len; ++i) {
- A += (uint64_t)a[i] - key->n[i];
- a[i] = (uint32_t)A;
- A >>= 32;
- }
-}
-
-/* return a[] >= mod */
-static int geM(const RSAPublicKey *key, const uint32_t *a) {
- int i;
- for (i = key->len; i;) {
- --i;
- if (a[i] < key->n[i]) return 0;
- if (a[i] > key->n[i]) return 1;
- }
- return 1; /* equal */
-}
-
-/* montgomery c[] += a * b[] / R % mod */
-static void montMulAdd(const RSAPublicKey *key,
- uint32_t* c,
- const uint32_t a,
- const uint32_t* b) {
- uint64_t A = (uint64_t)a * b[0] + c[0];
- uint32_t d0 = (uint32_t)A * key->n0inv;
- uint64_t B = (uint64_t)d0 * key->n[0] + (uint32_t)A;
- int i;
-
- for (i = 1; i < key->len; ++i) {
- A = (A >> 32) + (uint64_t)a * b[i] + c[i];
- B = (B >> 32) + (uint64_t)d0 * key->n[i] + (uint32_t)A;
- c[i - 1] = (uint32_t)B;
- }
-
- A = (A >> 32) + (B >> 32);
-
- c[i - 1] = (uint32_t)A;
-
- if (A >> 32) {
- subM(key, c);
- }
-}
-
-/* montgomery c[] = a[] * b[] / R % mod */
-static void montMul(const RSAPublicKey *key,
- uint32_t* c,
- const uint32_t* a,
- const uint32_t* b) {
- int i;
- for (i = 0; i < key->len; ++i) {
- c[i] = 0;
- }
- for (i = 0; i < key->len; ++i) {
- montMulAdd(key, c, a[i], b);
- }
-}
-
-/* In-place public exponentiation.
-** Input and output big-endian byte array in inout.
-*/
-static void modpow3(const RSAPublicKey *key,
- uint8_t* inout) {
- uint32_t a[RSANUMWORDS];
- uint32_t aR[RSANUMWORDS];
- uint32_t aaR[RSANUMWORDS];
- uint32_t *aaa = aR; /* Re-use location. */
- int i;
-
- /* Convert from big endian byte array to little endian word array. */
- for (i = 0; i < key->len; ++i) {
- uint32_t tmp =
- (inout[((key->len - 1 - i) * 4) + 0] << 24) |
- (inout[((key->len - 1 - i) * 4) + 1] << 16) |
- (inout[((key->len - 1 - i) * 4) + 2] << 8) |
- (inout[((key->len - 1 - i) * 4) + 3] << 0);
- a[i] = tmp;
- }
-
- montMul(key, aR, a, key->rr); /* aR = a * RR / R mod M */
- montMul(key, aaR, aR, aR); /* aaR = aR * aR / R mod M */
- montMul(key, aaa, aaR, a); /* aaa = aaR * a / R mod M */
-
- /* Make sure aaa < mod; aaa is at most 1x mod too large. */
- if (geM(key, aaa)) {
- subM(key, aaa);
- }
-
- /* Convert to bigendian byte array */
- for (i = key->len - 1; i >= 0; --i) {
- uint32_t tmp = aaa[i];
- *inout++ = tmp >> 24;
- *inout++ = tmp >> 16;
- *inout++ = tmp >> 8;
- *inout++ = tmp >> 0;
- }
-}
-
-/* Expected PKCS1.5 signature padding bytes, for a keytool RSA signature.
-** Has the 0-length optional parameter encoded in the ASN1 (as opposed to the
-** other flavor which omits the optional parameter entirely). This code does not
-** accept signatures without the optional parameter.
-*/
-static const uint8_t padding[RSANUMBYTES - SHA_DIGEST_SIZE] = {
- 0x00,0x01,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
- 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
- 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
- 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
- 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
- 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
- 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
- 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
- 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
- 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
- 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
- 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
- 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
- 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
- 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
- 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
- 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,
- 0x30,0x21,0x30,0x09,0x06,0x05,0x2b,0x0e,0x03,0x02,0x1a,0x05,0x00,
- 0x04,0x14
-};
-
-/* Verify a 2048 bit RSA PKCS1.5 signature against an expected SHA-1 hash.
-** Returns 0 on failure, 1 on success.
-*/
-int RSA_verify(const RSAPublicKey *key,
- const uint8_t *signature,
- const int len,
- const uint8_t *sha) {
- uint8_t buf[RSANUMBYTES];
- int i;
-
- if (key->len != RSANUMWORDS) {
- return 0; /* Wrong key passed in. */
- }
-
- if (len != sizeof(buf)) {
- return 0; /* Wrong input length. */
- }
-
- for (i = 0; i < len; ++i) {
- buf[i] = signature[i];
- }
-
- modpow3(key, buf);
-
- /* Check pkcs1.5 padding bytes. */
- for (i = 0; i < (int) sizeof(padding); ++i) {
- if (buf[i] != padding[i]) {
- return 0;
- }
- }
-
- /* Check sha digest matches. */
- for (; i < len; ++i) {
- if (buf[i] != *sha++) {
- return 0;
- }
- }
-
- return 1;
-}
diff --git a/libmincrypt/sha.c b/libmincrypt/sha.c
deleted file mode 100644
index d6120dae3..000000000
--- a/libmincrypt/sha.c
+++ /dev/null
@@ -1,142 +0,0 @@
-/* sha.c
-**
-** Copyright 2008, The Android Open Source Project
-**
-** Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions are met:
-** * Redistributions of source code must retain the above copyright
-** notice, this list of conditions and the following disclaimer.
-** * Redistributions in binary form must reproduce the above copyright
-** notice, this list of conditions and the following disclaimer in the
-** documentation and/or other materials provided with the distribution.
-** * Neither the name of Google Inc. nor the names of its contributors may
-** be used to endorse or promote products derived from this software
-** without specific prior written permission.
-**
-** THIS SOFTWARE IS PROVIDED BY Google Inc. ``AS IS'' AND ANY EXPRESS OR
-** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-** MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
-** EVENT SHALL Google Inc. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-** PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
-** OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
-** WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
-** OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
-** ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-#include "mincrypt/sha.h"
-
-#define rol(bits, value) (((value) << (bits)) | ((value) >> (32 - (bits))))
-
-static void SHA1_transform(SHA_CTX *ctx) {
- uint32_t W[80];
- uint32_t A, B, C, D, E;
- uint8_t *p = ctx->buf;
- int t;
-
- for(t = 0; t < 16; ++t) {
- uint32_t tmp = *p++ << 24;
- tmp |= *p++ << 16;
- tmp |= *p++ << 8;
- tmp |= *p++;
- W[t] = tmp;
- }
-
- for(; t < 80; t++) {
- W[t] = rol(1,W[t-3] ^ W[t-8] ^ W[t-14] ^ W[t-16]);
- }
-
- A = ctx->state[0];
- B = ctx->state[1];
- C = ctx->state[2];
- D = ctx->state[3];
- E = ctx->state[4];
-
- for(t = 0; t < 80; t++) {
- uint32_t tmp = rol(5,A) + E + W[t];
-
- if (t < 20)
- tmp += (D^(B&(C^D))) + 0x5A827999;
- else if ( t < 40)
- tmp += (B^C^D) + 0x6ED9EBA1;
- else if ( t < 60)
- tmp += ((B&C)|(D&(B|C))) + 0x8F1BBCDC;
- else
- tmp += (B^C^D) + 0xCA62C1D6;
-
- E = D;
- D = C;
- C = rol(30,B);
- B = A;
- A = tmp;
- }
-
- ctx->state[0] += A;
- ctx->state[1] += B;
- ctx->state[2] += C;
- ctx->state[3] += D;
- ctx->state[4] += E;
-}
-
-void SHA_init(SHA_CTX *ctx) {
- ctx->state[0] = 0x67452301;
- ctx->state[1] = 0xEFCDAB89;
- ctx->state[2] = 0x98BADCFE;
- ctx->state[3] = 0x10325476;
- ctx->state[4] = 0xC3D2E1F0;
- ctx->count = 0;
-}
-
-void SHA_update(SHA_CTX *ctx, const void *data, int len) {
- int i = ctx->count % sizeof(ctx->buf);
- const uint8_t* p = (const uint8_t*)data;
-
- ctx->count += len;
-
- while (len--) {
- ctx->buf[i++] = *p++;
- if (i == sizeof(ctx->buf)) {
- SHA1_transform(ctx);
- i = 0;
- }
- }
-}
-const uint8_t *SHA_final(SHA_CTX *ctx) {
- uint8_t *p = ctx->buf;
- uint64_t cnt = ctx->count * 8;
- int i;
-
- SHA_update(ctx, (uint8_t*)"\x80", 1);
- while ((ctx->count % sizeof(ctx->buf)) != (sizeof(ctx->buf) - 8)) {
- SHA_update(ctx, (uint8_t*)"\0", 1);
- }
- for (i = 0; i < 8; ++i) {
- uint8_t tmp = cnt >> ((7 - i) * 8);
- SHA_update(ctx, &tmp, 1);
- }
-
- for (i = 0; i < 5; i++) {
- uint32_t tmp = ctx->state[i];
- *p++ = tmp >> 24;
- *p++ = tmp >> 16;
- *p++ = tmp >> 8;
- *p++ = tmp >> 0;
- }
-
- return ctx->buf;
-}
-
-/* Convenience function */
-const uint8_t* SHA(const void *data, int len, uint8_t *digest) {
- const uint8_t *p;
- int i;
- SHA_CTX ctx;
- SHA_init(&ctx);
- SHA_update(&ctx, data, len);
- p = SHA_final(&ctx);
- for (i = 0; i < SHA_DIGEST_SIZE; ++i) {
- digest[i] = *p++;
- }
- return digest;
-}
diff --git a/libmincrypt/tools/Android.mk b/libmincrypt/tools/Android.mk
deleted file mode 100644
index b61234a9e..000000000
--- a/libmincrypt/tools/Android.mk
+++ /dev/null
@@ -1,21 +0,0 @@
-# Copyright (C) 2008 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-LOCAL_PATH := $(call my-dir)
-include $(CLEAR_VARS)
-
-LOCAL_MODULE := dumpkey
-LOCAL_SRC_FILES := DumpPublicKey.java
-LOCAL_JAR_MANIFEST := DumpPublicKey.mf
-include $(BUILD_HOST_JAVA_LIBRARY)
diff --git a/libmincrypt/tools/DumpPublicKey.java b/libmincrypt/tools/DumpPublicKey.java
deleted file mode 100644
index c9e7e4d19..000000000
--- a/libmincrypt/tools/DumpPublicKey.java
+++ /dev/null
@@ -1,130 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.dumpkey;
-
-import java.io.FileInputStream;
-import java.math.BigInteger;
-import java.security.cert.CertificateFactory;
-import java.security.cert.Certificate;
-import java.security.KeyStore;
-import java.security.Key;
-import java.security.PublicKey;
-import java.security.interfaces.RSAPublicKey;
-import sun.misc.BASE64Encoder;
-
-/**
- * Command line tool to extract RSA public keys from X.509 certificates
- * and output source code with data initializers for the keys.
- * @hide
- */
-class DumpPublicKey {
- /**
- * @param key to perform sanity checks on
- * @throws Exception if the key has the wrong size or public exponent
- */
- static void check(RSAPublicKey key) throws Exception {
- BigInteger pubexp = key.getPublicExponent();
- BigInteger modulus = key.getModulus();
-
- if (!pubexp.equals(BigInteger.valueOf(3)))
- throw new Exception("Public exponent should be 3 but is " +
- pubexp.toString(10) + ".");
-
- if (modulus.bitLength() != 2048)
- throw new Exception("Modulus should be 2048 bits long but is " +
- modulus.bitLength() + " bits.");
- }
-
- /**
- * @param key to output
- * @return a C initializer representing this public key.
- */
- static String print(RSAPublicKey key) throws Exception {
- check(key);
-
- BigInteger N = key.getModulus();
-
- StringBuilder result = new StringBuilder();
-
- int nwords = N.bitLength() / 32; // # of 32 bit integers in modulus
-
- result.append("{");
- result.append(nwords);
-
- BigInteger B = BigInteger.valueOf(0x100000000L); // 2^32
- BigInteger N0inv = B.subtract(N.modInverse(B)); // -1 / N[0] mod 2^32
-
- result.append(",0x");
- result.append(N0inv.toString(16));
-
- BigInteger R = BigInteger.valueOf(2).pow(N.bitLength());
- BigInteger RR = R.multiply(R).mod(N); // 2^4096 mod N
-
- // Write out modulus as little endian array of integers.
- result.append(",{");
- for (int i = 0; i < nwords; ++i) {
- int n = N.mod(B).intValue();
- result.append(n);
-
- if (i != nwords - 1) {
- result.append(",");
- }
-
- N = N.divide(B);
- }
- result.append("}");
-
- // Write R^2 as little endian array of integers.
- result.append(",{");
- for (int i = 0; i < nwords; ++i) {
- int rr = RR.mod(B).intValue();
- result.append(rr);
-
- if (i != nwords - 1) {
- result.append(",");
- }
-
- RR = RR.divide(B);
- }
- result.append("}");
-
- result.append("}");
- return result.toString();
- }
-
- public static void main(String[] args) {
- if (args.length < 1) {
- System.err.println("Usage: DumpPublicKey certfile ... > source.c");
- System.exit(1);
- }
- try {
- for (int i = 0; i < args.length; i++) {
- FileInputStream input = new FileInputStream(args[i]);
- CertificateFactory cf = CertificateFactory.getInstance("X.509");
- Certificate cert = cf.generateCertificate(input);
- RSAPublicKey key = (RSAPublicKey) (cert.getPublicKey());
- check(key);
- System.out.print(print(key));
- System.out.println(i < args.length - 1 ? "," : "");
- }
- } catch (Exception e) {
- e.printStackTrace();
- System.exit(1);
- }
- System.exit(0);
- }
-}
diff --git a/libmincrypt/tools/DumpPublicKey.mf b/libmincrypt/tools/DumpPublicKey.mf
deleted file mode 100644
index 7bb3bc88d..000000000
--- a/libmincrypt/tools/DumpPublicKey.mf
+++ /dev/null
@@ -1 +0,0 @@
-Main-Class: com.android.dumpkey.DumpPublicKey