aboutsummaryrefslogtreecommitdiff
path: root/vendor/mbedtls/cmac.h
diff options
context:
space:
mode:
authorLibravatar vnugent <public@vaughnnugent.com>2024-04-25 17:45:42 -0400
committerLibravatar vnugent <public@vaughnnugent.com>2024-04-25 17:45:42 -0400
commit6ff8bb11774c51fd341b7699a3938fd894995fbf (patch)
tree823ef4f5397e7ed96a5198a83d0c3b3145b3d127 /vendor/mbedtls/cmac.h
parent7cb7a93de4f6f5e741bc5129e3d928e44f050930 (diff)
refactor: Finish support and testing for mbedtls
Diffstat (limited to 'vendor/mbedtls/cmac.h')
-rw-r--r--vendor/mbedtls/cmac.h246
1 files changed, 0 insertions, 246 deletions
diff --git a/vendor/mbedtls/cmac.h b/vendor/mbedtls/cmac.h
deleted file mode 100644
index 97b86fc..0000000
--- a/vendor/mbedtls/cmac.h
+++ /dev/null
@@ -1,246 +0,0 @@
-/**
- * \file cmac.h
- *
- * \brief This file contains CMAC definitions and functions.
- *
- * The Cipher-based Message Authentication Code (CMAC) Mode for
- * Authentication is defined in <em>RFC-4493: The AES-CMAC Algorithm</em>.
- * It is supported with AES and DES.
- */
-/*
- * Copyright The Mbed TLS Contributors
- * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
- */
-
-#ifndef MBEDTLS_CMAC_H
-#define MBEDTLS_CMAC_H
-#include "mbedtls/private_access.h"
-
-#include "mbedtls/build_info.h"
-
-#include "mbedtls/cipher.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#define MBEDTLS_AES_BLOCK_SIZE 16
-#define MBEDTLS_DES3_BLOCK_SIZE 8
-
-/* We don't support Camellia or ARIA in this module */
-#if defined(MBEDTLS_AES_C)
-#define MBEDTLS_CMAC_MAX_BLOCK_SIZE 16 /**< The longest block used by CMAC is that of AES. */
-#else
-#define MBEDTLS_CMAC_MAX_BLOCK_SIZE 8 /**< The longest block used by CMAC is that of 3DES. */
-#endif
-
-#if !defined(MBEDTLS_DEPRECATED_REMOVED)
-/** The longest block supported by the cipher module.
- *
- * \deprecated
- * For the maximum block size of a cipher supported by the CMAC module,
- * use #MBEDTLS_CMAC_MAX_BLOCK_SIZE.
- * For the maximum block size of a cipher supported by the cipher module,
- * use #MBEDTLS_MAX_BLOCK_LENGTH.
- */
-/* Before Mbed TLS 3.5, this was the maximum block size supported by the CMAC
- * module, so it didn't take Camellia or ARIA into account. Since the name
- * of the macro doesn't even convey "CMAC", this was misleading. Now the size
- * is sufficient for any cipher, but the name is defined in cmac.h for
- * backward compatibility. */
-#define MBEDTLS_CIPHER_BLKSIZE_MAX MBEDTLS_MAX_BLOCK_LENGTH
-#endif /* MBEDTLS_DEPRECATED_REMOVED */
-
-#if !defined(MBEDTLS_CMAC_ALT)
-
-/**
- * The CMAC context structure.
- */
-struct mbedtls_cmac_context_t {
- /** The internal state of the CMAC algorithm. */
- unsigned char MBEDTLS_PRIVATE(state)[MBEDTLS_CMAC_MAX_BLOCK_SIZE];
-
- /** Unprocessed data - either data that was not block aligned and is still
- * pending processing, or the final block. */
- unsigned char MBEDTLS_PRIVATE(unprocessed_block)[MBEDTLS_CMAC_MAX_BLOCK_SIZE];
-
- /** The length of data pending processing. */
- size_t MBEDTLS_PRIVATE(unprocessed_len);
-};
-
-#else /* !MBEDTLS_CMAC_ALT */
-#include "cmac_alt.h"
-#endif /* !MBEDTLS_CMAC_ALT */
-
-/**
- * \brief This function starts a new CMAC computation
- * by setting the CMAC key, and preparing to authenticate
- * the input data.
- * It must be called with an initialized cipher context.
- *
- * Once this function has completed, data can be supplied
- * to the CMAC computation by calling
- * mbedtls_cipher_cmac_update().
- *
- * To start a CMAC computation using the same key as a previous
- * CMAC computation, use mbedtls_cipher_cmac_finish().
- *
- * \note When the CMAC implementation is supplied by an alternate
- * implementation (through #MBEDTLS_CMAC_ALT), some ciphers
- * may not be supported by that implementation, and thus
- * return an error. Alternate implementations must support
- * AES-128 and AES-256, and may support AES-192 and 3DES.
- *
- * \param ctx The cipher context used for the CMAC operation, initialized
- * as one of the following types: MBEDTLS_CIPHER_AES_128_ECB,
- * MBEDTLS_CIPHER_AES_192_ECB, MBEDTLS_CIPHER_AES_256_ECB,
- * or MBEDTLS_CIPHER_DES_EDE3_ECB.
- * \param key The CMAC key.
- * \param keybits The length of the CMAC key in bits.
- * Must be supported by the cipher.
- *
- * \return \c 0 on success.
- * \return A cipher-specific error code on failure.
- */
-int mbedtls_cipher_cmac_starts(mbedtls_cipher_context_t *ctx,
- const unsigned char *key, size_t keybits);
-
-/**
- * \brief This function feeds an input buffer into an ongoing CMAC
- * computation.
- *
- * The CMAC computation must have previously been started
- * by calling mbedtls_cipher_cmac_starts() or
- * mbedtls_cipher_cmac_reset().
- *
- * Call this function as many times as needed to input the
- * data to be authenticated.
- * Once all of the required data has been input,
- * call mbedtls_cipher_cmac_finish() to obtain the result
- * of the CMAC operation.
- *
- * \param ctx The cipher context used for the CMAC operation.
- * \param input The buffer holding the input data.
- * \param ilen The length of the input data.
- *
- * \return \c 0 on success.
- * \return #MBEDTLS_ERR_MD_BAD_INPUT_DATA
- * if parameter verification fails.
- */
-int mbedtls_cipher_cmac_update(mbedtls_cipher_context_t *ctx,
- const unsigned char *input, size_t ilen);
-
-/**
- * \brief This function finishes an ongoing CMAC operation, and
- * writes the result to the output buffer.
- *
- * It should be followed either by
- * mbedtls_cipher_cmac_reset(), which starts another CMAC
- * operation with the same key, or mbedtls_cipher_free(),
- * which clears the cipher context.
- *
- * \param ctx The cipher context used for the CMAC operation.
- * \param output The output buffer for the CMAC checksum result.
- *
- * \return \c 0 on success.
- * \return #MBEDTLS_ERR_MD_BAD_INPUT_DATA
- * if parameter verification fails.
- */
-int mbedtls_cipher_cmac_finish(mbedtls_cipher_context_t *ctx,
- unsigned char *output);
-
-/**
- * \brief This function starts a new CMAC operation with the same
- * key as the previous one.
- *
- * It should be called after finishing the previous CMAC
- * operation with mbedtls_cipher_cmac_finish().
- * After calling this function,
- * call mbedtls_cipher_cmac_update() to supply the new
- * CMAC operation with data.
- *
- * \param ctx The cipher context used for the CMAC operation.
- *
- * \return \c 0 on success.
- * \return #MBEDTLS_ERR_MD_BAD_INPUT_DATA
- * if parameter verification fails.
- */
-int mbedtls_cipher_cmac_reset(mbedtls_cipher_context_t *ctx);
-
-/**
- * \brief This function calculates the full generic CMAC
- * on the input buffer with the provided key.
- *
- * The function allocates the context, performs the
- * calculation, and frees the context.
- *
- * The CMAC result is calculated as
- * output = generic CMAC(cmac key, input buffer).
- *
- * \note When the CMAC implementation is supplied by an alternate
- * implementation (through #MBEDTLS_CMAC_ALT), some ciphers
- * may not be supported by that implementation, and thus
- * return an error. Alternate implementations must support
- * AES-128 and AES-256, and may support AES-192 and 3DES.
- *
- * \param cipher_info The cipher information.
- * \param key The CMAC key.
- * \param keylen The length of the CMAC key in bits.
- * \param input The buffer holding the input data.
- * \param ilen The length of the input data.
- * \param output The buffer for the generic CMAC result.
- *
- * \return \c 0 on success.
- * \return #MBEDTLS_ERR_MD_BAD_INPUT_DATA
- * if parameter verification fails.
- */
-int mbedtls_cipher_cmac(const mbedtls_cipher_info_t *cipher_info,
- const unsigned char *key, size_t keylen,
- const unsigned char *input, size_t ilen,
- unsigned char *output);
-
-#if defined(MBEDTLS_AES_C)
-/**
- * \brief This function implements the AES-CMAC-PRF-128 pseudorandom
- * function, as defined in
- * <em>RFC-4615: The Advanced Encryption Standard-Cipher-based
- * Message Authentication Code-Pseudo-Random Function-128
- * (AES-CMAC-PRF-128) Algorithm for the Internet Key
- * Exchange Protocol (IKE).</em>
- *
- * \param key The key to use.
- * \param key_len The key length in Bytes.
- * \param input The buffer holding the input data.
- * \param in_len The length of the input data in Bytes.
- * \param output The buffer holding the generated 16 Bytes of
- * pseudorandom output.
- *
- * \return \c 0 on success.
- */
-int mbedtls_aes_cmac_prf_128(const unsigned char *key, size_t key_len,
- const unsigned char *input, size_t in_len,
- unsigned char output[16]);
-#endif /* MBEDTLS_AES_C */
-
-#if defined(MBEDTLS_SELF_TEST) && (defined(MBEDTLS_AES_C) || defined(MBEDTLS_DES_C))
-/**
- * \brief The CMAC checkup routine.
- *
- * \note In case the CMAC routines are provided by an alternative
- * implementation (i.e. #MBEDTLS_CMAC_ALT is defined), the
- * checkup routine will succeed even if the implementation does
- * not support the less widely used AES-192 or 3DES primitives.
- * The self-test requires at least AES-128 and AES-256 to be
- * supported by the underlying implementation.
- *
- * \return \c 0 on success.
- * \return \c 1 on failure.
- */
-int mbedtls_cmac_self_test(int verbose);
-#endif /* MBEDTLS_SELF_TEST && ( MBEDTLS_AES_C || MBEDTLS_DES_C ) */
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* MBEDTLS_CMAC_H */