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Diffstat (limited to 'demos/maurice/example3.c')
-rw-r--r-- | demos/maurice/example3.c | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/demos/maurice/example3.c b/demos/maurice/example3.c deleted file mode 100644 index 03d8a20f62..0000000000 --- a/demos/maurice/example3.c +++ /dev/null @@ -1,87 +0,0 @@ -/* NOCW */ -/* - Please read the README file for condition of use, before - using this software. - - Maurice Gittens <mgittens@gits.nl> January 1997 - -*/ - -#include <stdio.h> -#include <unistd.h> -#include <fcntl.h> -#include <sys/stat.h> -#include <openssl/evp.h> - -#define STDIN 0 -#define STDOUT 1 -#define BUFLEN 512 -#define INIT_VECTOR "12345678" -#define ENCRYPT 1 -#define DECRYPT 0 -#define ALG EVP_des_ede3_cbc() - -static const char *usage = "Usage: example3 [-d] password\n"; - -void do_cipher(char *,int); - -int main(int argc, char *argv[]) -{ - if ((argc == 2)) - { - do_cipher(argv[1],ENCRYPT); - } - else if ((argc == 3) && !strcmp(argv[1],"-d")) - { - do_cipher(argv[2],DECRYPT); - } - else - { - fprintf(stderr,"%s", usage); - exit(1); - } - - return 0; -} - -void do_cipher(char *pw, int operation) -{ - char buf[BUFLEN]; - char ebuf[BUFLEN + 8]; - unsigned int ebuflen; /* rc; */ - unsigned char iv[EVP_MAX_IV_LENGTH], key[EVP_MAX_KEY_LENGTH]; - /* unsigned int ekeylen, net_ekeylen; */ - EVP_CIPHER_CTX ectx; - - memcpy(iv, INIT_VECTOR, sizeof(iv)); - - EVP_BytesToKey(ALG, EVP_md5(), "salu", pw, strlen(pw), 1, key, iv); - - EVP_CIPHER_CTX_init(&ectx); - EVP_CipherInit_ex(&ectx, ALG, NULL, key, iv, operation); - - while(1) - { - int readlen = read(STDIN, buf, sizeof(buf)); - - if (readlen <= 0) - { - if (!readlen) - break; - else - { - perror("read"); - exit(1); - } - } - - EVP_CipherUpdate(&ectx, ebuf, &ebuflen, buf, readlen); - - write(STDOUT, ebuf, ebuflen); - } - - EVP_CipherFinal_ex(&ectx, ebuf, &ebuflen); - EVP_CIPHER_CTX_cleanup(&ectx); - - write(STDOUT, ebuf, ebuflen); -} |