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The PRF slightly more generic

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@23578 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2008-08-17 14:07:40 +00:00
parent f6d7055a49
commit 1c9741f328
1 changed files with 5 additions and 7 deletions
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12
lib/krb5/crypto.c
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@@ -2491,14 +2491,12 @@ AES_PRF(krb5_context context,
krb5_abortx(context, "malloc failed");
{
const EVP_CIPHER *c = (*crypto->et->keytype->evp)();
EVP_CIPHER_CTX ctx;
unsigned char ivec[16];
memset(ivec, 0, sizeof(ivec));
EVP_CIPHER_CTX_init(&ctx);
EVP_CipherInit_ex(&ctx, (*crypto->et->keytype->evp)(),
NULL, derived->keyvalue.data, ivec, 1);
EVP_Cipher(&ctx, out->data, result.checksum.data, 16);
/* XXX blksz 1 for cts, so we can't use that */
EVP_CIPHER_CTX_init(&ctx); /* ivec all zero */
EVP_CipherInit_ex(&ctx, c, NULL, derived->keyvalue.data, NULL, 1);
EVP_Cipher(&ctx, out->data, result.checksum.data, 16);
EVP_CIPHER_CTX_cleanup(&ctx);
}