p7 = PKCS7_encrypt(encerts, in, cipher, flags);
} else if(operation == SMIME_SIGN) {
p7 = PKCS7_sign(signer, key, other, in, flags);
- BIO_reset(in);
+ if (BIO_reset(in) != 0 && (flags & PKCS7_DETACHED)) {
+ BIO_printf(bio_err, "Can't rewind input file\n");
+ goto end;
+ }
} else {
if(informat == FORMAT_SMIME)
p7 = SMIME_read_PKCS7(in, &indata);