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support passing in NULL as the cipher_state/ivec

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@12453 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2003-07-19 07:40:53 +00:00
parent 0cfe6c3513
commit 150ffb9adb
1 changed files with 27 additions and 19 deletions
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16
lib/krb5/mit_glue.c
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@@ -181,12 +181,14 @@ krb5_c_decrypt(krb5_context context,
{
krb5_error_code ret;
krb5_crypto crypto;
size_t blocksize;
ret = krb5_crypto_init(context, &key, input->enctype, &crypto);
if (ret)
return ret;
if (ivec) {
size_t blocksize;
ret = krb5_crypto_getblocksize(context, crypto, &blocksize);
if (ret) {
krb5_crypto_destroy(context, crypto);
@@ -197,10 +199,12 @@ krb5_c_decrypt(krb5_context context,
krb5_crypto_destroy(context, crypto);
return EINVAL; /* XXX */
}
}
ret = krb5_decrypt_ivec(context, crypto, usage,
input->ciphertext.data, input->ciphertext.length,
output, ivec->data);
output,
ivec ? ivec->data : NULL);
krb5_crypto_destroy(context, crypto);
@@ -217,12 +221,14 @@ krb5_c_encrypt(krb5_context context,
{
krb5_error_code ret;
krb5_crypto crypto;
size_t blocksize;
ret = krb5_crypto_init(context, key, 0, &crypto);
if (ret)
return ret;
if (ivec) {
size_t blocksize;
ret = krb5_crypto_getblocksize(context, crypto, &blocksize);
if (ret) {
krb5_crypto_destroy(context, crypto);
@@ -233,10 +239,12 @@ krb5_c_encrypt(krb5_context context,
krb5_crypto_destroy(context, crypto);
return EINVAL; /* XXX */
}
}
ret = krb5_encrypt_ivec(context, crypto, usage,
input->data, input->length,
&output->ciphertext, ivec->data);
&output->ciphertext,
ivec ? ivec->data : NULL);
output->kvno = 0;
krb5_crypto_getenctype(context, crypto, &output->enctype);