From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- security/nss/lib/freebl/cmac.h | 47 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 security/nss/lib/freebl/cmac.h (limited to 'security/nss/lib/freebl/cmac.h') diff --git a/security/nss/lib/freebl/cmac.h b/security/nss/lib/freebl/cmac.h new file mode 100644 index 0000000000..6a6f42c797 --- /dev/null +++ b/security/nss/lib/freebl/cmac.h @@ -0,0 +1,47 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef _CMAC_H_ +#define _CMAC_H_ + +typedef struct CMACContextStr CMACContext; + +SEC_BEGIN_PROTOS + +/* Enum for identifying the underlying block cipher we're using internally. */ +typedef enum { + CMAC_AES = 0 +} CMACCipher; + +/* Initialize an existing CMACContext struct. */ +SECStatus CMAC_Init(CMACContext *ctx, CMACCipher type, + const unsigned char *key, unsigned int key_len); + +/* Allocate and initialize a new CMAC context with the specified cipher and + * key. */ +CMACContext *CMAC_Create(CMACCipher type, const unsigned char *key, + unsigned int key_len); + +/* Called automatically by CMAC_*{Create,Init}(...). Only useful for restarting + * an already-started CMAC instance. */ +SECStatus CMAC_Begin(CMACContext *ctx); + +/* Add the specified bytes into the CMAC state. */ +SECStatus CMAC_Update(CMACContext *ctx, const unsigned char *data, + unsigned int data_len); + +/* Finalize the CMAC state and return the result. */ +SECStatus CMAC_Finish(CMACContext *ctx, unsigned char *result, + unsigned int *result_len, + unsigned int max_result_len); + +/* Note: CMAC_Clone isn't implemented here because AES doesn't expose a + * context-cloning operation. */ + +/* Destroy a CMAC context, optionally freeing it. */ +void CMAC_Destroy(CMACContext *ctx, PRBool free_it); + +SEC_END_PROTOS + +#endif -- cgit v1.2.3