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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 00:53:35 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 00:53:35 +0000 |
commit | 69c6a41ffb878ef98c9378ed4b1634a404cfaa7f (patch) | |
tree | b2a4f704565d62fbb129ab9dc3b35977c50e6e7f /src/contrib/base64.h | |
parent | Initial commit. (diff) | |
download | knot-69c6a41ffb878ef98c9378ed4b1634a404cfaa7f.tar.xz knot-69c6a41ffb878ef98c9378ed4b1634a404cfaa7f.zip |
Adding upstream version 2.7.6.upstream/2.7.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/contrib/base64.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/contrib/base64.h b/src/contrib/base64.h new file mode 100644 index 0000000..611574e --- /dev/null +++ b/src/contrib/base64.h @@ -0,0 +1,102 @@ +/* Copyright (C) 2018 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz> + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. + */ +/*! + * \brief Base64 implementation (RFC 4648). + */ + +#pragma once + +#include <stdint.h> + +/*! + * \brief Encodes binary data using Base64. + * + * \note Output data buffer contains Base64 text string which isn't + * terminated with '\0'! + * + * \param in Input binary data. + * \param in_len Length of input data. + * \param out Output data buffer. + * \param out_len Size of output buffer. + * + * \retval >=0 length of output string. + * \retval KNOT_E* if error. + */ +int32_t base64_encode(const uint8_t *in, + const uint32_t in_len, + uint8_t *out, + const uint32_t out_len); + +/*! + * \brief Encodes binary data using Base64 and output stores to own buffer. + * + * \note Output data buffer contains Base64 text string which isn't + * terminated with '\0'! + * + * \note Output buffer should be deallocated after use. + * + * \param in Input binary data. + * \param in_len Length of input data. + * \param out Output data buffer. + * + * \retval >=0 length of output string. + * \retval KNOT_E* if error. + */ +int32_t base64_encode_alloc(const uint8_t *in, + const uint32_t in_len, + uint8_t **out); + +/*! + * \brief Decodes text data using Base64. + * + * \note Input data needn't be terminated with '\0'. + * + * \note Input data must be continuous Base64 string! + * + * \param in Input text data. + * \param in_len Length of input string. + * \param out Output data buffer. + * \param out_len Size of output buffer. + * + * \retval >=0 length of output data. + * \retval KNOT_E* if error. + */ +int32_t base64_decode(const uint8_t *in, + const uint32_t in_len, + uint8_t *out, + const uint32_t out_len); + +/*! + * \brief Decodes text data using Base64 and output stores to own buffer. + * + * \note Input data needn't be terminated with '\0'. + * + * \note Input data must be continuous Base64 string! + * + * \note Output buffer should be deallocated after use. + * + * \param in Input text data. + * \param in_len Length of input string. + * \param out Output data buffer. + * + * \retval >=0 length of output data. + * \retval KNOT_E* if error. + */ +int32_t base64_decode_alloc(const uint8_t *in, + const uint32_t in_len, + uint8_t **out); + +/*! @} */ |