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test encryption and decryption.

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@23651 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2008-08-21 21:25:00 +00:00
parent 72157cd54f
commit 8ef17f5306
1 changed files with 89 additions and 2 deletions
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91
lib/krb5/aes-test.c
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@@ -318,6 +318,87 @@ krb_enc(krb5_context context,
return 0;
}
static int
krb_enc_iov2(krb5_context context,
krb5_crypto crypto,
unsigned usage,
size_t cipher_len,
krb5_data *clear)
{
krb5_crypto_iov iov[5];
int ret;
char *p;
size_t len, i;
p = clear->data;
len = clear->length;
iov[0].flags = KRB5_CRYPTO_TYPE_HEADER;
iov[0].data.length = krb5_crypto_length(context, crypto, iov[0].flags);
iov[0].data.data = emalloc(iov[0].data.length);
iov[1].flags = KRB5_CRYPTO_TYPE_TRAILER;
iov[1].data.length = krb5_crypto_length(context, crypto, iov[1].flags);
iov[1].data.data = emalloc(iov[3].data.length);
iov[2].flags = KRB5_CRYPTO_TYPE_DATA;
iov[2].data.length = 10;
iov[2].data.data = emalloc(iov[2].data.length);
memcpy(iov[2].data.data, p, iov[2].data.length);
p += iov[2].data.length;
len -= iov[2].data.length;
iov[3].flags = KRB5_CRYPTO_TYPE_DATA;
iov[3].data.length = len;
iov[3].data.data = emalloc(iov[3].data.length);
memcpy(iov[1].data.data, p, iov[3].data.length);
p += iov[3].data.length;
len -= iov[3].data.length;
/* padding buffer */
iov[4].flags = KRB5_CRYPTO_TYPE_PADDING;
iov[4].data.length = krb5_crypto_length(context, crypto, iov[4].flags);
iov[4].data.data = emalloc(iov[4].data.length);
if (len != 0)
abort();
ret = krb5_encrypt_iov_ivec(context, crypto, usage,
iov, sizeof(iov)/sizeof(iov[0]), NULL);
if (ret)
errx(1, "iov failed: %d", ret);
/* check len */
for (i = 0, len = 0; i < sizeof(iov)/sizeof(iov[0]); i++)
len += iov[i].data.length;
if (len != cipher_len)
errx(1, "cipher len wrong");
/* now decrypt */
/* padding turn into data */
iov[4].flags = KRB5_CRYPTO_TYPE_DATA;
ret = krb5_decrypt_iov_ivec(context, crypto, usage,
iov, sizeof(iov)/sizeof(iov[0]), NULL);
if (ret)
errx(1, "iov failed: %d", ret);
if (clear->length !=
iov[2].data.length + iov[3].data.length + iov[4].data.length)
errx(1, "length incorrect");
p = clear->data;
if (memcmp(iov[2].data.data, p, iov[2].data.length) != 0)
errx(1, "iov[2] incorrect");
p += iov[2].data.length;
if (memcmp(iov[3].data.data, p, iov[3].data.length) != 0)
errx(1, "iov[3] incorrect");
return 0;
}
static int
krb_enc_iov(krb5_context context,
krb5_crypto crypto,
@@ -334,14 +415,14 @@ krb_enc_iov(krb5_context context,
len = cipher->length;
iov[0].flags = KRB5_CRYPTO_TYPE_HEADER;
iov[0].data.length = krb5_crypto_length(context, crypto, cipher->length, iov[0].flags);
iov[0].data.length = krb5_crypto_length(context, crypto, iov[0].flags);
iov[0].data.data = emalloc(iov[0].data.length);
memcpy(iov[0].data.data, p, iov[0].data.length);
p += iov[0].data.length;
len -= iov[0].data.length;
iov[1].flags = KRB5_CRYPTO_TYPE_TRAILER;
iov[1].data.length = krb5_crypto_length(context, crypto, cipher->length, iov[1].flags);
iov[1].data.length = krb5_crypto_length(context, crypto, iov[1].flags);
iov[1].data.data = emalloc(iov[3].data.length);
memcpy(iov[1].data.data, p + len - iov[1].data.length, iov[1].data.length);
len -= iov[1].data.length;
@@ -383,6 +464,7 @@ krb_enc_iov(krb5_context context,
}
static int
krb_enc_mit(krb5_context context,
krb5_enctype enctype,
@@ -483,6 +565,11 @@ krb_enc_test(krb5_context context)
if (ret)
errx(1, "krb_enc_iov failed with %d for test %d", ret, i);
ret = krb_enc_iov2(context, crypto, krbencs[i].usage,
cipher.length, &plain);
if (ret)
errx(1, "krb_enc_iov2 failed with %d for test %d", ret, i);
krb5_crypto_destroy(context, crypto);
ret = krb_enc_mit(context, krbencs[i].enctype, &kb,