mirror of https://github.com/acanas/swad-core.git
54 lines
2.4 KiB
C
54 lines
2.4 KiB
C
// swad_cryptography.h: cryptography
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#ifndef _SWAD_COM
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#define _SWAD_COM
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/*
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SWAD (Shared Workspace At a Distance in Spanish),
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is a web platform developed at the University of Granada (Spain),
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and used to support university teaching.
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This file is part of SWAD core.
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Copyright (C) 1999-2024 Antonio Cañas Vargas
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*****************************************************************************/
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/***************************** Public constants ******************************/
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/*****************************************************************************/
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#define Cry_BYTES_ENCRYPTED_STR_SHA256_BASE64 43 // 42,66 base-64 characters store 256 bits
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#define Cry_LENGTH_ENCRYPTED_STR_SHA512_BASE64 86 // 85,33 base-64 characters store 512 bits
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/*****************************************************************************/
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/********************************* Headers ***********************************/
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/*****************************************************************************/
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#include <stdio.h> // For FILE
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#include "sha2/sha2.h" // For sha-256 and sha-512 algorithms
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/*****************************************************************************/
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/***************************** Public prototypes *****************************/
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/*****************************************************************************/
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void Cry_EncryptSHA256Base64 (const char *PlainText,
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char EncryptedText[Cry_BYTES_ENCRYPTED_STR_SHA256_BASE64 + 1]);
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void Cry_EncryptSHA512Base64 (const char *PlainText,
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char EncryptedText[Cry_LENGTH_ENCRYPTED_STR_SHA512_BASE64 + 1]);
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void Cry_CreateUniqueNameEncrypted (char *UniqueNameEncrypted);
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char *Cry_GetUniqueNameEncrypted (void);
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#endif
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