/* NOCW */ /* Please read the README file for condition of use, before using this software. Maurice Gittens January 1997 */ #include #include #include #include #include #include #include #include #include #include #include "loadkeys.h" #define PUBFILE "cert.pem" #define PRIVFILE "privkey.pem" #define STDIN 0 #define STDOUT 1 int main() { char *ct = "This the clear text"; char *buf; char *buf2; EVP_PKEY *pubKey; EVP_PKEY *privKey; int len; ERR_load_crypto_strings(); privKey = ReadPrivateKey(PRIVFILE); if (!privKey) { ERR_print_errors_fp (stderr); exit (1); } pubKey = ReadPublicKey(PUBFILE); if(!pubKey) { EVP_PKEY_free(privKey); fprintf(stderr,"Error: can't load public key"); exit(1); } /* No error checking */ buf = malloc(EVP_PKEY_size(pubKey)); buf2 = malloc(EVP_PKEY_size(pubKey)); len = RSA_public_encrypt(strlen(ct)+1, ct, buf, pubKey->pkey.rsa,RSA_PKCS1_PADDING); if (len != EVP_PKEY_size(pubKey)) { fprintf(stderr,"Error: ciphertext should match length of key\n"); exit(1); } RSA_private_decrypt(len, buf, buf2, privKey->pkey.rsa,RSA_PKCS1_PADDING); printf("%s\n", buf2); EVP_PKEY_free(privKey); EVP_PKEY_free(pubKey); free(buf); free(buf2); return 0; } 6c5005'>commitdiff

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