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gnutls_cipher_decrypt2(3) gnutls gnutls_cipher_decrypt2(3) NAME gnutls_cipher_decrypt2 - API function SYNOPSIS #include <gnutls/crypto.h> int gnutls_cipher_decrypt2(gnutls_cipher_hd_t handle, const void * ctext, size_t ctext_len, void * ptext, size_t ptext_len); ARGUMENTS gnutls_cipher_hd_t handle is a gnutls_cipher_hd_t type const void * ctext the data to decrypt size_t ctext_len the length of data to decrypt void * ptextthe decrypted data size_t ptext_len the available length for decrypted data DESCRIPTION This function will decrypt the given data using the algorithm specified by the context. For block ciphers the ctext_len must be a multiple of the block size. For the supported ciphers the plaintext data length will equal the ciphertext size. Note that in AEAD ciphers, this will not check the tag. You will need to compare the tag sent with the value returned from gnutls_cipher_tag(). RETURNS Zero or a negative error code on error. SINCE 2.12.0 REPORTING BUGS Report bugs to <bugs@gnutls.org>. Home page: https://www.gnutls.org COPYRIGHT Copyright (C) 2001-2023 Free Software Foundation, Inc., and others. Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved. SEE ALSO The full documentation for gnutls is maintained as a Texinfo manual. If the /usr/local/share/doc/gnutls/ directory does not contain the HTML form visit https://www.gnutls.org/manual/ gnutls 3.8.13 gnutls_cipher_decrypt2(3)
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