Additional signature examples and tests.
David Garske
parent
31cbabc7eb
commit
beba82b2af
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@ -96,3 +96,7 @@ certgen/run_certgen_example
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btle/ecc-client
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btle/ecc-server
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signature/sigtest/wolfsigtest
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signature/sigtest/opensigtest
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signature/examples/eccsign
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@ -0,0 +1,169 @@
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#include <wolfssl/options.h>
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#include <wolfssl/wolfcrypt/settings.h>
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#include <wolfssl/wolfcrypt/sha256.h>
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#include <wolfssl/wolfcrypt/ecc.h>
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#include <wolfssl/wolfcrypt/random.h>
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/*
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./configure --enable-ecc && make && sudo make install
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gcc -Wall eccsign.c -lwolfssl -o eccsign
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./eccsign
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Firmware Signature 0: Ret 0, HashLen 32, SigLen 71
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Firmware Signature 1: Ret 0, HashLen 32, SigLen 71
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Firmware Signature 2: Ret 0, HashLen 32, SigLen 71
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Firmware Signature 3: Ret 0, HashLen 32, SigLen 72
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Firmware Signature 4: Ret 0, HashLen 32, SigLen 71
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Firmware Signature 5: Ret 0, HashLen 32, SigLen 71
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Firmware Signature 6: Ret 0, HashLen 32, SigLen 71
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Firmware Signature 7: Ret 0, HashLen 32, SigLen 70
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Firmware Signature 8: Ret 0, HashLen 32, SigLen 70
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Firmware Signature 9: Ret 0, HashLen 32, SigLen 70
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*/
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static const int gFwLen = (1024 * 1024);
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static const int gFwChunkLen = 128;
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static byte gFwBuf[gFwLen];
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static ecc_key gMyKey;
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static int gMyKeyInit = 0;
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static const int gSignTimes = 10;
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//#define ENABLE_BUF_PRINT
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#ifdef ENABLE_BUF_PRINT
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static void PrintBuffer(const byte* buffer, word32 length)
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{
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#define LINE_LEN 16
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word32 i;
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char line[80];
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if (!buffer) {
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printf("\tNULL");
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return;
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}
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sprintf(line, "\t");
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for (i = 0; i < LINE_LEN; i++) {
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if (i < length)
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sprintf(line + 1 + i * 3,"%02x ", buffer[i]);
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else
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sprintf(line + 1 + i * 3, " ");
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}
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sprintf(line + 1 + LINE_LEN * 3, "| ");
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for (i = 0; i < LINE_LEN; i++)
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if (i < length)
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sprintf(line + 3 + LINE_LEN * 3 + i,
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"%c", 31 < buffer[i] && buffer[i] < 127 ? buffer[i] : '.');
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puts(line);
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if (length > LINE_LEN)
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PrintBuffer(buffer + LINE_LEN, length - LINE_LEN);
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}
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#endif
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static int HashFirmware(byte* hashBuf)
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{
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int ret;
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Sha256 sha;
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int idx = 0, len = gFwLen, sz;
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ret = wc_InitSha256(&sha);
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if (ret != 0)
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return ret;
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/* loop through each chunk of firmware */
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while (len > 0) {
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/* determine hash update size */
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sz = len;
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if (sz > gFwChunkLen)
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sz = gFwChunkLen;
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/* update hash */
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ret = wc_Sha256Update(&sha, &gFwBuf[idx], sz);
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if (ret != 0)
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break;
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len -= sz;
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idx += sz;
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}
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if (ret == 0) {
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ret = wc_Sha256Final(&sha, hashBuf);
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}
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wc_Sha256Free(&sha);
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return ret;
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}
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static int SignFirmware(byte* hashBuf, int hashLen, byte* sigBuf, word32* sigLen)
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{
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int ret = 0;
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WC_RNG rng;
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ret = wc_InitRng(&rng);
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if (ret != 0)
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return ret;
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/* generate key for testing if one hasn't been created */
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if (gMyKeyInit == 0) {
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ret = wc_ecc_init(&gMyKey);
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if (ret == 0) {
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ret = wc_ecc_make_key(&rng, 32, &gMyKey);
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if (ret == 0) {
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gMyKeyInit = 1;
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printf("KeyGen Done\n");
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}
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}
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}
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/* sign hash */
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if (ret == 0) {
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ret = wc_ecc_sign_hash(hashBuf, hashLen, sigBuf, sigLen, &rng, &gMyKey);
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}
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wc_FreeRng(&rng);
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return ret;
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}
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int main(void)
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{
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int ret;
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byte hashBuf[SHA256_DIGEST_SIZE];
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int hashLen = SHA256_DIGEST_SIZE;
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byte sigBuf[ECC_MAX_SIG_SIZE];
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word32 sigLen = ECC_MAX_SIG_SIZE;
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int i;
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/* init bogus firmware */
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for (i=0; i<gFwLen; i++) {
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gFwBuf[i] = (byte)i;
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}
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/* try perofrming signature a few times */
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for (i=0; i < gSignTimes; i++) {
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memset(hashBuf, 0, hashLen);
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ret = HashFirmware(hashBuf);
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if (ret == 0) {
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sigLen = ECC_MAX_SIG_SIZE;
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memset(sigBuf, 0, sigLen);
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ret = SignFirmware(hashBuf, hashLen, sigBuf, &sigLen);
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}
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printf("Firmware Signature %d: Ret %d, HashLen %d, SigLen %d\n", i, ret, hashLen, sigLen);
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#ifdef ENABLE_BUF_PRINT
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PrintBuffer(hashBuf, hashLen);
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printf("\n");
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PrintBuffer(sigBuf, sigLen);
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#endif
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}
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return ret;
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}
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@ -0,0 +1,21 @@
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CC=clang
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CFLAGS=-Wall
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LIBS=
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OPENSSL_FLAGS=
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WOLFSSL_FLAGS=
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OPENSSL_LIB=-lcrypto -lssl
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WOLFSSL_LIB=-lwolfssl
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all:wolfsigtest opensigtest
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opensigtest:opensigtest.o
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$(CC) -o $@ $(LIBS) $(OPENSSL_LIB) $^ $(CFLAGS) $(OPENSSL_FLAGS)
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wolfsigtest:wolfsigtest.o
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$(CC) -o $@ $(LIBS) $(WOLFSSL_LIB) $^ $(CFLAGS) $(WOLFSSL_FLAGS)
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.PHONY: clean all
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clean:
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rm -f *.o wolfsigtest opensigtest
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@ -0,0 +1,165 @@
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#include <stdio.h>
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#include <string.h>
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#include <stdint.h>
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#include <openssl/err.h> // Error codes
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#include <openssl/evp.h> // For crypto engine functions
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#include <openssl/pem.h> // For PEM file access functions
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#include <openssl/rsa.h> // For RSA functions
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#include <openssl/sha.h> // For SHA-1 functions
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/* this is from ./certs/ca-key.pem */
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const char* pubPemKey = "-----BEGIN PUBLIC KEY-----\n"
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"MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvwzKLRSyHoRCW804H0ry\n"
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"TXUQ8bY1n9/KfQOY06zeA2buKvHYsH1uB1QLEJghTYDLEiDnzE/eRX3Jcncy6sqQ\n"
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"u2lSEAMvqPOVxfGLYlYb72dvpBBBla0Km+OlwLDScHZQMFuo6AgsfO2nonqNOCkc\n"
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"rMft8nyVsJWCfUlcOM13Je+9gHVTlDw9ymNbnxW10x0TLxnRPNt2Osy4fcnlwtfa\n"
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"QG/YIdxzG0ItU5z+Gvx9q3o2P5jehHwFZ85qFDiHqfGMtWjLaH9xICv1oGP1Vi+j\n"
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"JtK3b7FaF9c4mQj+k1hv/sMTSQgWC6dNZwBSMWcjTpjtUUUduQTZC+zYKLNLve02\n"
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"eQIDAQAB\n"
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"-----END PUBLIC KEY-----\n";
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const char* privPemKey = "-----BEGIN RSA PRIVATE KEY-----\n"
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"MIIEpAIBAAKCAQEAvwzKLRSyHoRCW804H0ryTXUQ8bY1n9/KfQOY06zeA2buKvHY\n"
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"sH1uB1QLEJghTYDLEiDnzE/eRX3Jcncy6sqQu2lSEAMvqPOVxfGLYlYb72dvpBBB\n"
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"la0Km+OlwLDScHZQMFuo6AgsfO2nonqNOCkcrMft8nyVsJWCfUlcOM13Je+9gHVT\n"
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"lDw9ymNbnxW10x0TLxnRPNt2Osy4fcnlwtfaQG/YIdxzG0ItU5z+Gvx9q3o2P5je\n"
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"hHwFZ85qFDiHqfGMtWjLaH9xICv1oGP1Vi+jJtK3b7FaF9c4mQj+k1hv/sMTSQgW\n"
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"C6dNZwBSMWcjTpjtUUUduQTZC+zYKLNLve02eQIDAQABAoIBAD1uTmAahH+dhXzh\n"
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"Swd84NaZKt6d+TY0DncOPgjqT+UGJtT2OPffDQ8cLgai9CponGNy4zXmBJGRtcGx\n"
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"pFSs18b7QaDWdW+9C06/sVLoX0kmmFZHx97p6jxgAb8o3DG/SV+TSYd6gVuWS03K\n"
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"XDhPt+Gy08ch2jwShwfkG9xD7OjsVGHn9u2mCy7134J/xh9hGZykgznfIYWJb3ev\n"
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"hhUyCKJaCyZh+3AMypw4fbwi7uujqBYA+YqAHgCEqEpB+IQDZy8jWy+baybDBzSU\n"
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"owM7ctWfcuCtzDSrvcfV9SYwhQ8wIzlS/zzLmSFNiKWr7mK5x+C7R4fBac9z8zC+\n"
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"zjkEnOUCgYEA4XZFgFm200nfCu8S1g/wt8sqN7+n+LVN9TE1reSjlKHb8ZattQVk\n"
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"hYP8G1spqr74Jj92fq0c8MvXJrQbBY5Whn4IYiHBhtZHeT63XaTGOtexdCD2UJdB\n"
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"BFPtPybWb5H6aCbsKtya8efc+3PweUMbIaNZBGNSB8nX5tEbXV6W+lMCgYEA2O1O\n"
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"ZGFrkQxhAbUPu0RnUx7cB8Qkfp5shCORDOQSBBZNeJjMlj0gTg9Fmrb4s5MNsqIb\n"
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"KfImecjF0nh+XnPy13Bhu0DOYQX+aR6CKeYUuKHnltAjPwWTAPLhTX7tt5Zs9/Dk\n"
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"0c8BmE/cdFSqbV5aQTH+/5q2oAXdqRBU+GvQqoMCgYAh0wSKROtQt3xmv4cr5ihO\n"
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"6oPi6TXh8hFH/6H1/J8t5TqB/AEDb1OtVCe2Uu7lVtETq+GzD3WQCoS0ocCMDNae\n"
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"RrorPrUx7WO7pNUNj3LN0R4mNeu+G3L9mzm0h7cT9eqDRZOYuo/kSsy0TKh/CLpB\n"
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"SahJKD1ePcHONwDL+SzdUQKBgQChV58+udavg22DP4/70NyozgMJI7GhG2PKxElW\n"
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"NSvRLmVglQVVmRE1/dXfRMeliHJfsoJRqHFFkzbPXB9hUQwFgOivxXu6XiLjPHXD\n"
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"hAVVbdY6LYSJkzPLONqqMQXNzmwt3VXTVwvwpTVqsK4xukOWygDHS+MZEkPTQvpv\n"
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"6oDA0QKBgQC524kgNCdwYjTqXyViEvOdgb9I7poOwY0Q/2WanS0aipRayMClpYRh\n"
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"ntQkue+pncl3C8dwZj26yFTf0jPh9X/5J2G+V0Xdt0UXJPUj5DgOkSfu4yDYFMiU\n"
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"R3dAd0UYng3OeT9XMVYJSWe+lFhP9sSr4onj44rABVUsJMBKlwQnmg==\n"
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"-----END RSA PRIVATE KEY-----\n";
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uint8_t Digest_given[] = { //44 bytes
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0x2C,0x05,0x16,0x39,0x9F,0x0C,0x02,0xD0,0xf9,0xba,0x90,0x37,0x0f,0xc1,0x4f,0xcc,
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0x31,0x4b,0x42,0x32,0x00,0x00,0x36,0x30,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x49,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x21,0x00,0x3f,0x19
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};
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uint8_t expected_signed_results[] = {
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0x15,0xEB,0xE3,0x5A,0xA7,0x82,0x97,0x7C,0x3E,0x6D,0x3E,0x30,0xFB,0x3D,0x01,0x2C,
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0x71,0x3A,0x47,0x84,0x2B,0xB4,0x99,0x35,0xA3,0x2E,0x91,0xE4,0xF0,0x77,0x29,0x8A,
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0x63,0x51,0x33,0xB0,0x4F,0xBE,0x92,0xDB,0x17,0x3B,0xD6,0x3E,0x45,0x06,0x4E,0xAB,
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0x57,0x39,0x89,0x53,0x7B,0x54,0x56,0xC4,0xE8,0xA1,0x9E,0xA2,0x4C,0x21,0x53,0x4D,
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0xD7,0xC6,0x2A,0x94,0x48,0x62,0x6F,0x78,0x94,0x1B,0x2F,0xF4,0x48,0x2F,0xF7,0x37,
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0x32,0x32,0x35,0x52,0x08,0xAF,0xA0,0xF0,0xAF,0xFC,0x75,0x91,0x3B,0xBD,0x59,0xB3,
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0x24,0x74,0x1D,0xE8,0xFA,0xCB,0x00,0x93,0xFC,0x41,0x28,0x0C,0x13,0xEE,0xAB,0x02,
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0x1B,0xAB,0xA9,0xB4,0x7E,0xA7,0x97,0x81,0xC1,0x15,0x85,0xA2,0xA5,0x49,0x45,0x11,
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0xF2,0x76,0xAA,0xFB,0x00,0x7A,0xE7,0xD9,0x19,0x31,0xC6,0xF3,0xB9,0x07,0xA1,0x69,
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0x17,0xD9,0x79,0x72,0x84,0x9E,0xC2,0x6F,0xA0,0x2F,0x66,0xDD,0x7F,0xB3,0x0D,0xFE,
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0x34,0x1D,0x5C,0x0B,0xE5,0x06,0xEF,0x08,0xE7,0xE3,0xFA,0x79,0xB2,0xA6,0xD1,0xC1,
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0x31,0x9A,0xA4,0x47,0x5D,0x78,0x93,0xCB,0x56,0xB1,0x6D,0xC9,0xD7,0x11,0xD8,0x32,
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0x3A,0x2C,0x15,0xC1,0x26,0x19,0xDB,0x96,0xCA,0x2F,0x33,0xF9,0x6F,0xC4,0x3A,0x19,
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0x87,0x24,0xF4,0x1D,0x2E,0x99,0x4A,0x98,0x6B,0xE4,0x50,0x2B,0xB4,0xBF,0x8B,0x95,
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0xEC,0x9F,0x36,0x2D,0x14,0x58,0x6D,0xBF,0x4E,0x63,0xB6,0x26,0x8B,0x9C,0x22,0xFC,
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0xF4,0xC1,0x08,0xA1,0x70,0xDA,0x62,0x45,0x8F,0x3E,0x53,0x81,0x5D,0x4D,0xDA,0xF3
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};
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#define SHA1_HASH_LEN 20
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#define DATA_BLOCK_LEN 44
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#define SIGNED_LEN 256
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static void print_buf(char *str, uint8_t *buf, int blen)
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{
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int i, j;
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printf("%s\n", str);
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for (i = 0, j = 0; i < blen; i++)
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{
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printf("%02X ", *buf++);
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if (++j == 16)
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{
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j = 0;
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printf("\n");
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}
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}
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printf("\n");
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}
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int SignVerify_OpenSSL(void)
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{
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unsigned int iSigLen;
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int iRetval = -1;
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RSA *rsa;
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uint8_t abDigest[SHA1_HASH_LEN];
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uint8_t signedData[SIGNED_LEN];
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if ( (rsa = RSA_new()) != NULL )
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{
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BIO * bio;
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if ( (bio = BIO_new_mem_buf((void*)privPemKey, -1)) != NULL )
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{
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// Create input data (44 bytes)
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print_buf("Digest Input Data:", Digest_given, DATA_BLOCK_LEN);
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rsa = PEM_read_bio_RSAPrivateKey(bio, &rsa, NULL, NULL);
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BIO_free(bio);
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if (rsa == NULL) {
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char buffer[120];
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ERR_error_string(ERR_get_error(), buffer);
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printf("OpenSSL error: %s", buffer);
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}
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// Create Digest (20 bytes)
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iRetval = EVP_Digest(&Digest_given[0], DATA_BLOCK_LEN, abDigest, NULL, EVP_sha1(), NULL);
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printf("Digest SHA1 result %d\n", iRetval);
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print_buf("Digest Output 20 Data:", abDigest, sizeof(abDigest));
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// Sign hash (128 bytes)
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iRetval = RSA_sign(NID_sha1, abDigest, sizeof(abDigest), &signedData[0], &iSigLen, rsa);
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print_buf("OpenSSL Signed data results:", &signedData[0], iSigLen);
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// Verify Signature
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iRetval = RSA_verify(NID_sha1, abDigest, sizeof(abDigest), &signedData[0], SIGNED_LEN, rsa);
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if(iRetval != 1)
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{
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printf("CRYPTO: Internal error, signature does not verify\n");
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iRetval = -2;
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}
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else
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{
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printf("CRYPTO: signature verify OK! %d\n", iRetval);
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iRetval = 0;
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}
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#if 1
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// Verify Signature with "expected_signature_results"
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iRetval = RSA_verify(NID_sha1, abDigest, SHA1_HASH_LEN, &expected_signed_results[0], SIGNED_LEN, rsa);
|
||||
if(iRetval != 1)
|
||||
{
|
||||
printf("CRYPTO: Internal error, EXPECTED signature does not verify\n");
|
||||
iRetval = -2;
|
||||
}
|
||||
else
|
||||
{
|
||||
printf("CRYPTO: EXPECTED signature verify OK! %d\n", iRetval);
|
||||
iRetval = 0;
|
||||
}
|
||||
#endif
|
||||
}
|
||||
RSA_free(rsa);
|
||||
}
|
||||
return iRetval;
|
||||
}
|
||||
|
||||
int main(int argc, char * argv[])
|
||||
{
|
||||
return SignVerify_OpenSSL();
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,217 @@
|
|||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
|
||||
#include <wolfssl/options.h>
|
||||
#include <wolfssl/wolfcrypt/ecc.h>
|
||||
#include <wolfssl/wolfcrypt/signature.h>
|
||||
#include <wolfssl/wolfcrypt/hash.h>
|
||||
#include <wolfssl/wolfcrypt/logging.h>
|
||||
#include <wolfssl/wolfcrypt/error-crypt.h>
|
||||
#include <wolfssl/wolfcrypt/asn.h>
|
||||
#include <wolfssl/ssl.h>
|
||||
|
||||
#include "wolfssl/wolfcrypt/rsa.h" // For RSA functions
|
||||
|
||||
/* wolfSSL must be build with WOLFSSL_CERT_EXT defined */
|
||||
#ifndef WOLFSSL_CERT_EXT
|
||||
#error wolfSSL must be build with WOLFSSL_CERT_EXT enable ./configure --enable-certgen --enable-certext
|
||||
#endif
|
||||
|
||||
/* this is from ./certs/ca-key.pem */
|
||||
const char* pubPemKey = "-----BEGIN PUBLIC KEY-----\n"
|
||||
"MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvwzKLRSyHoRCW804H0ry\n"
|
||||
"TXUQ8bY1n9/KfQOY06zeA2buKvHYsH1uB1QLEJghTYDLEiDnzE/eRX3Jcncy6sqQ\n"
|
||||
"u2lSEAMvqPOVxfGLYlYb72dvpBBBla0Km+OlwLDScHZQMFuo6AgsfO2nonqNOCkc\n"
|
||||
"rMft8nyVsJWCfUlcOM13Je+9gHVTlDw9ymNbnxW10x0TLxnRPNt2Osy4fcnlwtfa\n"
|
||||
"QG/YIdxzG0ItU5z+Gvx9q3o2P5jehHwFZ85qFDiHqfGMtWjLaH9xICv1oGP1Vi+j\n"
|
||||
"JtK3b7FaF9c4mQj+k1hv/sMTSQgWC6dNZwBSMWcjTpjtUUUduQTZC+zYKLNLve02\n"
|
||||
"eQIDAQAB\n"
|
||||
"-----END PUBLIC KEY-----\n";
|
||||
const char* privPemKey = "-----BEGIN RSA PRIVATE KEY-----\n"
|
||||
"MIIEpAIBAAKCAQEAvwzKLRSyHoRCW804H0ryTXUQ8bY1n9/KfQOY06zeA2buKvHY\n"
|
||||
"sH1uB1QLEJghTYDLEiDnzE/eRX3Jcncy6sqQu2lSEAMvqPOVxfGLYlYb72dvpBBB\n"
|
||||
"la0Km+OlwLDScHZQMFuo6AgsfO2nonqNOCkcrMft8nyVsJWCfUlcOM13Je+9gHVT\n"
|
||||
"lDw9ymNbnxW10x0TLxnRPNt2Osy4fcnlwtfaQG/YIdxzG0ItU5z+Gvx9q3o2P5je\n"
|
||||
"hHwFZ85qFDiHqfGMtWjLaH9xICv1oGP1Vi+jJtK3b7FaF9c4mQj+k1hv/sMTSQgW\n"
|
||||
"C6dNZwBSMWcjTpjtUUUduQTZC+zYKLNLve02eQIDAQABAoIBAD1uTmAahH+dhXzh\n"
|
||||
"Swd84NaZKt6d+TY0DncOPgjqT+UGJtT2OPffDQ8cLgai9CponGNy4zXmBJGRtcGx\n"
|
||||
"pFSs18b7QaDWdW+9C06/sVLoX0kmmFZHx97p6jxgAb8o3DG/SV+TSYd6gVuWS03K\n"
|
||||
"XDhPt+Gy08ch2jwShwfkG9xD7OjsVGHn9u2mCy7134J/xh9hGZykgznfIYWJb3ev\n"
|
||||
"hhUyCKJaCyZh+3AMypw4fbwi7uujqBYA+YqAHgCEqEpB+IQDZy8jWy+baybDBzSU\n"
|
||||
"owM7ctWfcuCtzDSrvcfV9SYwhQ8wIzlS/zzLmSFNiKWr7mK5x+C7R4fBac9z8zC+\n"
|
||||
"zjkEnOUCgYEA4XZFgFm200nfCu8S1g/wt8sqN7+n+LVN9TE1reSjlKHb8ZattQVk\n"
|
||||
"hYP8G1spqr74Jj92fq0c8MvXJrQbBY5Whn4IYiHBhtZHeT63XaTGOtexdCD2UJdB\n"
|
||||
"BFPtPybWb5H6aCbsKtya8efc+3PweUMbIaNZBGNSB8nX5tEbXV6W+lMCgYEA2O1O\n"
|
||||
"ZGFrkQxhAbUPu0RnUx7cB8Qkfp5shCORDOQSBBZNeJjMlj0gTg9Fmrb4s5MNsqIb\n"
|
||||
"KfImecjF0nh+XnPy13Bhu0DOYQX+aR6CKeYUuKHnltAjPwWTAPLhTX7tt5Zs9/Dk\n"
|
||||
"0c8BmE/cdFSqbV5aQTH+/5q2oAXdqRBU+GvQqoMCgYAh0wSKROtQt3xmv4cr5ihO\n"
|
||||
"6oPi6TXh8hFH/6H1/J8t5TqB/AEDb1OtVCe2Uu7lVtETq+GzD3WQCoS0ocCMDNae\n"
|
||||
"RrorPrUx7WO7pNUNj3LN0R4mNeu+G3L9mzm0h7cT9eqDRZOYuo/kSsy0TKh/CLpB\n"
|
||||
"SahJKD1ePcHONwDL+SzdUQKBgQChV58+udavg22DP4/70NyozgMJI7GhG2PKxElW\n"
|
||||
"NSvRLmVglQVVmRE1/dXfRMeliHJfsoJRqHFFkzbPXB9hUQwFgOivxXu6XiLjPHXD\n"
|
||||
"hAVVbdY6LYSJkzPLONqqMQXNzmwt3VXTVwvwpTVqsK4xukOWygDHS+MZEkPTQvpv\n"
|
||||
"6oDA0QKBgQC524kgNCdwYjTqXyViEvOdgb9I7poOwY0Q/2WanS0aipRayMClpYRh\n"
|
||||
"ntQkue+pncl3C8dwZj26yFTf0jPh9X/5J2G+V0Xdt0UXJPUj5DgOkSfu4yDYFMiU\n"
|
||||
"R3dAd0UYng3OeT9XMVYJSWe+lFhP9sSr4onj44rABVUsJMBKlwQnmg==\n"
|
||||
"-----END RSA PRIVATE KEY-----\n";
|
||||
|
||||
uint8_t Digest_given[] = { //44 bytes
|
||||
0x2C,0x05,0x16,0x39,0x9F,0x0C,0x02,0xD0,0xf9,0xba,0x90,0x37,0x0f,0xc1,0x4f,0xcc,
|
||||
0x31,0x4b,0x42,0x32,0x00,0x00,0x36,0x30,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x49,
|
||||
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x21,0x00,0x3f,0x19
|
||||
};
|
||||
|
||||
uint8_t expected_signed_results[] = {
|
||||
0x15,0xEB,0xE3,0x5A,0xA7,0x82,0x97,0x7C,0x3E,0x6D,0x3E,0x30,0xFB,0x3D,0x01,0x2C,
|
||||
0x71,0x3A,0x47,0x84,0x2B,0xB4,0x99,0x35,0xA3,0x2E,0x91,0xE4,0xF0,0x77,0x29,0x8A,
|
||||
0x63,0x51,0x33,0xB0,0x4F,0xBE,0x92,0xDB,0x17,0x3B,0xD6,0x3E,0x45,0x06,0x4E,0xAB,
|
||||
0x57,0x39,0x89,0x53,0x7B,0x54,0x56,0xC4,0xE8,0xA1,0x9E,0xA2,0x4C,0x21,0x53,0x4D,
|
||||
0xD7,0xC6,0x2A,0x94,0x48,0x62,0x6F,0x78,0x94,0x1B,0x2F,0xF4,0x48,0x2F,0xF7,0x37,
|
||||
0x32,0x32,0x35,0x52,0x08,0xAF,0xA0,0xF0,0xAF,0xFC,0x75,0x91,0x3B,0xBD,0x59,0xB3,
|
||||
0x24,0x74,0x1D,0xE8,0xFA,0xCB,0x00,0x93,0xFC,0x41,0x28,0x0C,0x13,0xEE,0xAB,0x02,
|
||||
0x1B,0xAB,0xA9,0xB4,0x7E,0xA7,0x97,0x81,0xC1,0x15,0x85,0xA2,0xA5,0x49,0x45,0x11,
|
||||
0xF2,0x76,0xAA,0xFB,0x00,0x7A,0xE7,0xD9,0x19,0x31,0xC6,0xF3,0xB9,0x07,0xA1,0x69,
|
||||
0x17,0xD9,0x79,0x72,0x84,0x9E,0xC2,0x6F,0xA0,0x2F,0x66,0xDD,0x7F,0xB3,0x0D,0xFE,
|
||||
0x34,0x1D,0x5C,0x0B,0xE5,0x06,0xEF,0x08,0xE7,0xE3,0xFA,0x79,0xB2,0xA6,0xD1,0xC1,
|
||||
0x31,0x9A,0xA4,0x47,0x5D,0x78,0x93,0xCB,0x56,0xB1,0x6D,0xC9,0xD7,0x11,0xD8,0x32,
|
||||
0x3A,0x2C,0x15,0xC1,0x26,0x19,0xDB,0x96,0xCA,0x2F,0x33,0xF9,0x6F,0xC4,0x3A,0x19,
|
||||
0x87,0x24,0xF4,0x1D,0x2E,0x99,0x4A,0x98,0x6B,0xE4,0x50,0x2B,0xB4,0xBF,0x8B,0x95,
|
||||
0xEC,0x9F,0x36,0x2D,0x14,0x58,0x6D,0xBF,0x4E,0x63,0xB6,0x26,0x8B,0x9C,0x22,0xFC,
|
||||
0xF4,0xC1,0x08,0xA1,0x70,0xDA,0x62,0x45,0x8F,0x3E,0x53,0x81,0x5D,0x4D,0xDA,0xF3
|
||||
};
|
||||
|
||||
#define SHA1_HASH_LEN 20
|
||||
#define DATA_BLOCK_LEN 44
|
||||
#define SIGNED_LEN 256
|
||||
|
||||
static void print_buf(char *str, uint8_t *buf, int blen)
|
||||
{
|
||||
int i, j;
|
||||
|
||||
printf("%s\n", str);
|
||||
for (i = 0, j = 0; i < blen; i++)
|
||||
{
|
||||
printf("%02X ", *buf++);
|
||||
if (++j == 16)
|
||||
{
|
||||
j = 0;
|
||||
printf("\n");
|
||||
}
|
||||
}
|
||||
printf("\n");
|
||||
}
|
||||
|
||||
int main(int argc, char** argv)
|
||||
{
|
||||
int ret = 0;
|
||||
RNG rng;
|
||||
byte DER_buf[2048]; word32 DER_len = sizeof(DER_buf);
|
||||
byte Sig_buf[SIGNED_LEN]; word32 Sig_len = sizeof(Sig_buf);
|
||||
byte Hash_buf[SHA1_HASH_LEN]; word32 Hash_len = sizeof(Hash_buf);
|
||||
byte Digest_buf[SHA1_HASH_LEN+DATA_BLOCK_LEN]; word32 Digest_len = sizeof(Digest_buf);
|
||||
byte DigestVer_buf[SHA1_HASH_LEN+DATA_BLOCK_LEN]; word32 DigestVer_len = sizeof(DigestVer_buf);
|
||||
word32 inOutIdx=0;
|
||||
RsaKey rsakey;
|
||||
byte pemPublic = 0;
|
||||
enum wc_HashType hash_type = WC_HASH_TYPE_SHA;
|
||||
enum wc_SignatureType sig_type = WC_SIGNATURE_TYPE_RSA_W_ENC;
|
||||
|
||||
// Create input data (44 bytes)
|
||||
print_buf("Digest Input Data:", Digest_given, DATA_BLOCK_LEN);
|
||||
|
||||
/* Init */
|
||||
wc_InitRng(&rng);
|
||||
|
||||
/* Init Rsa Key */
|
||||
wc_InitRsaKey(&rsakey, NULL);
|
||||
|
||||
memset(DER_buf, 0, sizeof(DER_buf));
|
||||
ret = wolfSSL_KeyPemToDer((const byte*)privPemKey, strlen(privPemKey), DER_buf, sizeof(DER_buf), NULL);
|
||||
if (ret < 0) {
|
||||
ret = wolfSSL_PubKeyPemToDer((const byte*)pubPemKey, strlen(pubPemKey), DER_buf, sizeof(DER_buf)); /* Needs WOLFSSL_CERT_EXT defined or --enable-certgen --enable-certext */
|
||||
pemPublic = 1;
|
||||
}
|
||||
printf("DER_len = %d DER_buf:\n", ret);
|
||||
if (ret < 0) goto exit;
|
||||
DER_len = ret;
|
||||
print_buf("DER:", DER_buf, DER_len);
|
||||
|
||||
// PEM key selection
|
||||
if (!pemPublic) {
|
||||
ret = wc_RsaPrivateKeyDecode(DER_buf, &inOutIdx, &rsakey, DER_len);
|
||||
}
|
||||
else {
|
||||
ret = wc_RsaPublicKeyDecode(DER_buf, &inOutIdx, &rsakey, DER_len);
|
||||
}
|
||||
printf("decode %s key =%d\n", pemPublic ? "public" : "private", ret);
|
||||
|
||||
/* Get signature length and allocate buffer */
|
||||
ret = wc_SignatureGetSize(sig_type, &rsakey, sizeof(rsakey));
|
||||
printf("Sig Len: %d\n", ret);
|
||||
if (ret < 0) goto exit;
|
||||
Sig_len = ret;
|
||||
|
||||
/* Get Hash length */
|
||||
ret = wc_HashGetDigestSize(hash_type);
|
||||
printf("Hash Digest Len: %d\n", ret);
|
||||
if (ret < 0) goto exit;
|
||||
Hash_len = ret;
|
||||
|
||||
/* Hash digest with SHA1 */
|
||||
ret = wc_Hash(hash_type, Digest_given, sizeof(Digest_given), Hash_buf, Hash_len);
|
||||
printf("Digest SHA1 Hash: %d\n", ret);
|
||||
if (ret < 0) goto exit;
|
||||
print_buf("Digest Output 20 Data:", Hash_buf, Hash_len);
|
||||
|
||||
/* Add ASN digest info header */
|
||||
ret = wc_EncodeSignature(Digest_buf, Hash_buf, Hash_len, SHAh);
|
||||
printf("Digest Header: %d\n", ret);
|
||||
if (ret <= 0) goto exit;
|
||||
Digest_len = ret;
|
||||
print_buf("Signed data results:", Digest_buf, Digest_len);
|
||||
|
||||
if (!pemPublic) {
|
||||
/* Perform hash and sign to create signature */
|
||||
ret = wc_RsaSSL_Sign(Digest_buf, Digest_len, Sig_buf, Sig_len, &rsakey, &rng);
|
||||
printf("RSA Sign Result: %d\n", ret);
|
||||
if (ret < 0) goto exit;
|
||||
Sig_len = ret;
|
||||
|
||||
print_buf("RSA Sign Data:", Sig_buf, Sig_len);
|
||||
|
||||
ret = wc_SignatureGenerate(hash_type, sig_type, Digest_given, sizeof(Digest_given), Sig_buf, &Sig_len, &rsakey, sizeof(rsakey), &rng);
|
||||
printf("Sig Generation: ret %d, Sig_len=%d\n", ret, Sig_len);
|
||||
print_buf("Sign Data:", Sig_buf, Sig_len);
|
||||
}
|
||||
else {
|
||||
/* Use digest for RSA verify */
|
||||
ret = wc_RsaSSL_Verify(Sig_buf, Sig_len, DigestVer_buf, DigestVer_len, &rsakey);
|
||||
if (ret != Digest_len || XMEMCMP(DigestVer_buf, Digest_buf, Digest_len) != 0) {
|
||||
printf("RSA Verify Failed! %d\n", ret);
|
||||
}
|
||||
else {
|
||||
printf("RSA Verify Success!\n");
|
||||
ret = 0;
|
||||
}
|
||||
print_buf("Ecpected Verify Data:", DigestVer_buf, DigestVer_len);
|
||||
print_buf("RSA Verify Data:", Digest_buf, Digest_len);
|
||||
|
||||
ret = wc_SignatureVerify(hash_type, sig_type, Digest_given, sizeof(Digest_given), Sig_buf, Sig_len, &rsakey, sizeof(rsakey));
|
||||
printf("Sig Verification: %s (%d)\n", (ret == wc_HashGetDigestSize(hash_type)) ? "Pass" : "Fail", ret);
|
||||
print_buf("Sig Verify Data:", Digest_buf, Digest_len);
|
||||
}
|
||||
|
||||
/* Verify against expected signature */
|
||||
print_buf("Expected Signature:", expected_signed_results, sizeof(expected_signed_results));
|
||||
if (memcmp(Sig_buf, expected_signed_results, Sig_len) == 0) {
|
||||
printf("Signatures match!\n");
|
||||
}
|
||||
else {
|
||||
printf("Signature invalid!\n");
|
||||
}
|
||||
|
||||
exit:
|
||||
wc_FreeRsaKey(&rsakey);
|
||||
wc_FreeRng(&rng);
|
||||
return 0;
|
||||
}
|
||||
Loading…
Reference in New Issue