#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);