krb5_c_encrypt_length - Compute encrypted data length. — MIT Kerberos Documentation

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# krb5_c_encrypt_length - Compute encrypted data length.

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

param:

  [in] context - Library context

  [in] enctype - Encryption type

  [in] inputlen - Length of the data to be encrypted

  [out] length - Length of the encrypted data

retval:

  - 0 Success; otherwise - Kerberos error codes

This function computes the length of the ciphertext produced by encrypting inputlen bytes including padding, confounder, and checksum.