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NetBSD 6.1.5 - man page for krb5_c_valid_cksumtype (netbsd section 3)

KRB5_C_MAKE_CHECKSUM(3) 	   BSD Library Functions Manual 	  KRB5_C_MAKE_CHECKSUM(3)

NAME
     krb5_c_block_size, krb5_c_decrypt, krb5_c_encrypt, krb5_c_encrypt_length,
     krb5_c_enctype_compare, krb5_c_get_checksum, krb5_c_is_coll_proof_cksum,
     krb5_c_is_keyed_cksum, krb5_c_keylength, krb5_c_make_checksum, krb5_c_make_random_key,
     krb5_c_set_checksum, krb5_c_valid_cksumtype, krb5_c_valid_enctype, krb5_c_verify_checksum,
     krb5_c_checksum_length -- Kerberos 5 crypto API

LIBRARY
     Kerberos 5 Library (libkrb5, -lkrb5)

SYNOPSIS
     #include <krb5/krb5.h>

     krb5_error_code
     krb5_c_block_size(krb5_context context, krb5_enctype enctype, size_t *blocksize);

     krb5_error_code
     krb5_c_decrypt(krb5_context context, const krb5_keyblock key, krb5_keyusage usage,
	 const krb5_data *ivec, krb5_enc_data *input, krb5_data *output);

     krb5_error_code
     krb5_c_encrypt(krb5_context context, const krb5_keyblock *key, krb5_keyusage usage,
	 const krb5_data *ivec, const krb5_data *input, krb5_enc_data *output);

     krb5_error_code
     krb5_c_encrypt_length(krb5_context context, krb5_enctype enctype, size_t inputlen,
	 size_t *length);

     krb5_error_code
     krb5_c_enctype_compare(krb5_context context, krb5_enctype e1, krb5_enctype e2,
	 krb5_boolean *similar);

     krb5_error_code
     krb5_c_make_random_key(krb5_context context, krb5_enctype enctype,
	 krb5_keyblock *random_key);

     krb5_error_code
     krb5_c_make_checksum(krb5_context context, krb5_cksumtype cksumtype,
	 const krb5_keyblock *key, krb5_keyusage usage, const krb5_data *input,
	 krb5_checksum *cksum);

     krb5_error_code
     krb5_c_verify_checksum(krb5_context context, const krb5_keyblock *key, krb5_keyusage usage,
	 const krb5_data *data, const krb5_checksum *cksum, krb5_boolean *valid);

     krb5_error_code
     krb5_c_checksum_length(krb5_context context, krb5_cksumtype cksumtype, size_t *length);

     krb5_error_code
     krb5_c_get_checksum(krb5_context context, const krb5_checksum *cksum, krb5_cksumtype *type,
	 krb5_data **data);

     krb5_error_code
     krb5_c_set_checksum(krb5_context context, krb5_checksum *cksum, krb5_cksumtype type,
	 const krb5_data *data);

     krb5_boolean
     krb5_c_valid_enctype(krb5_enctype, etype");

     krb5_boolean
     krb5_c_valid_cksumtype(krb5_cksumtype ctype);

     krb5_boolean
     krb5_c_is_coll_proof_cksum(krb5_cksumtype ctype);

     krb5_boolean
     krb5_c_is_keyed_cksum(krb5_cksumtype ctype);

     krb5_error_code
     krb5_c_keylengths(krb5_context context, krb5_enctype enctype, size_t *inlength,
	 size_t *keylength);

DESCRIPTION
     The functions starting with krb5_c are compat functions with MIT kerberos.

     The krb5_enc_data structure holds and encrypted data.  There are two public accessable mem-
     bers of krb5_enc_data.  enctype that holds the encryption type of the data encrypted and
     ciphertext that is a krb5_data that might contain the encrypted data.

     krb5_c_block_size() returns the blocksize of the encryption type.

     krb5_c_decrypt() decrypts input and store the data in output. If ivec is NULL the default
     initialization vector for that encryption type will be used.

     krb5_c_encrypt() encrypts the plaintext in input and store the ciphertext in output.

     krb5_c_encrypt_length() returns the length the encrypted data given the plaintext length.

     krb5_c_enctype_compare() compares to encryption types and returns if they use compatible
     encryption key types.

     krb5_c_make_checksum() creates a checksum cksum with the checksum type cksumtype of the data
     in data.  key and usage are used if the checksum is a keyed checksum type.  Returns 0 or an
     error code.

     krb5_c_verify_checksum() verifies the checksum of data in cksum that was created with key
     using the key usage usage.  verify is set to non-zero if the checksum verifies correctly and
     zero if not.  Returns 0 or an error code.

     krb5_c_checksum_length() returns the length of the checksum.

     krb5_c_set_checksum() sets the krb5_checksum structure given type and data.  The content of
     cksum should be freeed with krb5_c_free_checksum_contents().

     krb5_c_get_checksum() retrieves the components of the krb5_checksum.  structure.  data
     should be free with krb5_free_data().  If some either of data or checksum is not needed for
     the application, NULL can be passed in.

     krb5_c_valid_enctype() returns true if etype is a valid encryption type.

     krb5_c_valid_cksumtype() returns true if ctype is a valid checksum type.

     krb5_c_is_keyed_cksum() return true if ctype is a keyed checksum type.

     krb5_c_is_coll_proof_cksum() returns true if ctype is a collision proof checksum type.

     krb5_c_keylengths() return the minimum length (inlength) bytes needed to create a key and
     the length (keylength) of the resulting key for the enctype.

SEE ALSO
     krb5(3), krb5_create_checksum(3), krb5_free_data(3), kerberos(8)

BSD					   Nov 17, 2006 				      BSD


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