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wolfssl-examples
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Code Issues Releases Wiki Activity

remove unnecessary cert/key usage from PKCS7/CMS EnvelopedData PWRI example

pull/113/head
Chris Conlon 2018-10-25 14:32:30 -06:00
parent 7b927771c6
commit 4e973a2ebb
1 changed files with 3 additions and 48 deletions
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51
pkcs7/envelopedData-pwri.c
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@ -23,9 +23,6 @@
#include <wolfssl/wolfcrypt/error-crypt.h> #include <wolfssl/wolfcrypt/error-crypt.h>
#include <wolfssl/wolfcrypt/logging.h> #include <wolfssl/wolfcrypt/logging.h>
#define certFile "../certs/client-ecc-cert.der"
#define keyFile "../certs/ecc-client-key.der"
#define encodedFilePWRI "envelopedDataPWRI.der" #define encodedFilePWRI "envelopedDataPWRI.der"
static const byte data[] = { /* Hello World */ static const byte data[] = { /* Hello World */
@ -35,33 +32,6 @@ static const byte data[] = { /* Hello World */
const char password[] = "wolfsslPassword"; const char password[] = "wolfsslPassword";
static int load_certs(byte* cert, word32* certSz, byte* key, word32* keySz)
{
FILE* file;
/* certificate file */
file = fopen(certFile, "rb");
if (!file) {
printf("ERROR: failed to open file: %s\n", certFile);
return -1;
}
*certSz = (word32)fread(cert, 1, *certSz, file);
fclose(file);
/* key file */
file = fopen(keyFile, "rb");
if (!file) {
printf("ERROR: failed to open file: %s\n", keyFile);
return -1;
}
*keySz = (word32)fread(key, 1, *keySz, file);
fclose(file);
return 0;
}
static int write_file_buffer(const char* fileName, byte* in, word32 inSz) static int write_file_buffer(const char* fileName, byte* in, word32 inSz)
{ {
int ret; int ret;
@ -83,8 +53,7 @@ static int write_file_buffer(const char* fileName, byte* in, word32 inSz)
return 0; return 0;
} }
static int envelopedData_encrypt(byte* cert, word32 certSz, byte* key, static int envelopedData_encrypt(byte* out, word32 outSz)
word32 keySz, byte* out, word32 outSz)
{ {
int ret; int ret;
PKCS7* pkcs7; PKCS7* pkcs7;
@ -138,9 +107,7 @@ static int envelopedData_encrypt(byte* cert, word32 certSz, byte* key,
return ret; return ret;
} }
static int envelopedData_decrypt(byte* in, word32 inSz, byte* cert, static int envelopedData_decrypt(byte* in, word32 inSz, byte* out, word32 outSz)
word32 certSz, byte* key, word32 keySz,
byte* out, word32 outSz)
{ {
int ret; int ret;
PKCS7* pkcs7; PKCS7* pkcs7;
@ -179,12 +146,8 @@ static int envelopedData_decrypt(byte* in, word32 inSz, byte* cert,
int main(int argc, char** argv) int main(int argc, char** argv)
{ {
int ret;
int encryptedSz, decryptedSz; int encryptedSz, decryptedSz;
word32 certSz, keySz;
byte cert[2048];
byte key[2048];
byte encrypted[1024]; byte encrypted[1024];
byte decrypted[1024]; byte decrypted[1024];
@ -192,14 +155,7 @@ int main(int argc, char** argv)
wolfSSL_Debugging_ON(); wolfSSL_Debugging_ON();
#endif #endif
certSz = sizeof(cert); encryptedSz = envelopedData_encrypt(encrypted, sizeof(encrypted));
keySz = sizeof(key);
ret = load_certs(cert, &certSz, key, &keySz);
if (ret != 0)
return -1;
encryptedSz = envelopedData_encrypt(cert, certSz, key, keySz,
encrypted, sizeof(encrypted));
if (encryptedSz < 0) if (encryptedSz < 0)
return -1; return -1;
@ -209,7 +165,6 @@ int main(int argc, char** argv)
#endif #endif
decryptedSz = envelopedData_decrypt(encrypted, encryptedSz, decryptedSz = envelopedData_decrypt(encrypted, encryptedSz,
cert, certSz, key, keySz,
decrypted, sizeof(decrypted)); decrypted, sizeof(decrypted));
if (decryptedSz < 0) if (decryptedSz < 0)
return -1; return -1;