diff options
Diffstat (limited to 'src/lib/crypto/nss/hash_provider/hash_md4.c')
-rw-r--r-- | src/lib/crypto/nss/hash_provider/hash_md4.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/lib/crypto/nss/hash_provider/hash_md4.c b/src/lib/crypto/nss/hash_provider/hash_md4.c new file mode 100644 index 0000000..b6a1022 --- /dev/null +++ b/src/lib/crypto/nss/hash_provider/hash_md4.c @@ -0,0 +1,63 @@ +/* + * Copyright (C) 2010 Red Hat, Inc. + * + * All rights reserved. + * + * Export of this software from the United States of America may require + * a specific license from the United States Government. It is the + * responsibility of any person or organization contemplating export to + * obtain such a license before exporting. + * + * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and + * distribute this software and its documentation for any purpose and + * without fee is hereby granted, provided that the above copyright + * notice appear in all copies and that both that copyright notice and + * this permission notice appear in supporting documentation, and that + * the name of FundsXpress. not be used in advertising or publicity pertaining + * to distribution of the software without specific, written prior + * permission. FundsXpress makes no representations about the suitability of + * this software for any purpose. It is provided "as is" without express + * or implied warranty. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +#include "k5-int.h" +#include "hash_provider.h" +#include "rsa-md4.h" +#include "aead.h" + +static krb5_error_code +k5_md4_hash(const krb5_crypto_iov *data, size_t num_data, krb5_data *output) +{ + krb5_MD4_CTX ctx; + unsigned long i; + + if (output->length != RSA_MD4_CKSUM_LENGTH) { + return KRB5_CRYPTO_INTERNAL; + } + + krb5int_MD4Init(&ctx); + for (i=0; i < num_data; i++) { + const krb5_crypto_iov *iov = &data[i]; + + if (SIGN_IOV(iov)) { + krb5int_MD4Update(&ctx, (unsigned char *)iov->data.data, + iov->data.length); + } + } + krb5int_MD4Final(&ctx); + + memcpy(output->data, ctx.digest, RSA_MD4_CKSUM_LENGTH); + + return 0; +} + +const struct krb5_hash_provider krb5int_hash_md4 = { + "MD4", + RSA_MD4_CKSUM_LENGTH, + 64, + k5_md4_hash +}; |