/** * \file pkcs11.h * * \brief Wrapper for PKCS#11 library libpkcs11-helper * * \author Adriaan de Jong */ /* * Copyright The Mbed TLS Contributors * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later */ #ifndef MBEDTLS_PKCS11_H #define MBEDTLS_PKCS11_H #if !defined(MBEDTLS_CONFIG_FILE) #include "mbedtls/config.h" #else #include MBEDTLS_CONFIG_FILE #endif #if defined(MBEDTLS_PKCS11_C) #include "mbedtls/x509_crt.h" #include #if (defined(__ARMCC_VERSION) || defined(_MSC_VER)) && \ !defined(inline) && !defined(__cplusplus) #define inline __inline #endif #ifdef __cplusplus extern "C" { #endif #if defined(MBEDTLS_DEPRECATED_REMOVED) /** * Context for PKCS #11 private keys. */ typedef struct mbedtls_pkcs11_context { pkcs11h_certificate_t pkcs11h_cert; int len; } mbedtls_pkcs11_context; #if defined(MBEDTLS_DEPRECATED_WARNING) #define MBEDTLS_DEPRECATED __attribute__((deprecated)) #else #define MBEDTLS_DEPRECATED #endif /** * Initialize a mbedtls_pkcs11_context. * (Just making memory references valid.) * * \deprecated This function is deprecated and will be removed in a * future version of the library. */ MBEDTLS_DEPRECATED void mbedtls_pkcs11_init(mbedtls_pkcs11_context *ctx); /** * Fill in a Mbed TLS certificate, based on the given PKCS11 helper certificate. * * \deprecated This function is deprecated and will be removed in a * future version of the library. * * \param cert X.509 certificate to fill * \param pkcs11h_cert PKCS #11 helper certificate * * \return 0 on success. */ MBEDTLS_DEPRECATED int mbedtls_pkcs11_x509_cert_bind(mbedtls_x509_crt *cert, pkcs11h_certificate_t pkcs11h_cert); /** * Set up a mbedtls_pkcs11_context storing the given certificate. Note that the * mbedtls_pkcs11_context will take over control of the certificate, freeing it when * done. * * \deprecated This function is deprecated and will be removed in a * future version of the library. * * \param priv_key Private key structure to fill. * \param pkcs11_cert PKCS #11 helper certificate * * \return 0 on success */ MBEDTLS_DEPRECATED int mbedtls_pkcs11_priv_key_bind( mbedtls_pkcs11_context *priv_key, pkcs11h_certificate_t pkcs11_cert); /** * Free the contents of the given private key context. Note that the structure * itself is not freed. * * \deprecated This function is deprecated and will be removed in a * future version of the library. * * \param priv_key Private key structure to cleanup */ MBEDTLS_DEPRECATED void mbedtls_pkcs11_priv_key_free( mbedtls_pkcs11_context *priv_key); /** * \brief Do an RSA private key decrypt, then remove the message * padding * * \deprecated This function is deprecated and will be removed in a future * version of the library. * * \param ctx PKCS #11 context * \param mode must be MBEDTLS_RSA_PRIVATE, for compatibility with rsa.c's signature * \param input buffer holding the encrypted data * \param output buffer that will hold the plaintext * \param olen will contain the plaintext length * \param output_max_len maximum length of the output buffer * * \return 0 if successful, or an MBEDTLS_ERR_RSA_XXX error code * * \note The output buffer must be as large as the size * of ctx->N (eg. 128 bytes if RSA-1024 is used) otherwise * an error is thrown. */ MBEDTLS_DEPRECATED int mbedtls_pkcs11_decrypt(mbedtls_pkcs11_context *ctx, int mode, size_t *olen, const unsigned char *input, unsigned char *output, size_t output_max_len); /** * \brief Do a private RSA to sign a message digest * * \deprecated This function is deprecated and will be removed in a future * version of the library. * * \param ctx PKCS #11 context * \param mode must be MBEDTLS_RSA_PRIVATE, for compatibility with rsa.c's signature * \param md_alg a MBEDTLS_MD_XXX (use MBEDTLS_MD_NONE for signing raw data) * \param hashlen message digest length (for MBEDTLS_MD_NONE only) * \param hash buffer holding the message digest * \param sig buffer that will hold the ciphertext * * \return 0 if the signing operation was successful, * or an MBEDTLS_ERR_RSA_XXX error code * * \note The "sig" buffer must be as large as the size * of ctx->N (eg. 128 bytes if RSA-1024 is used). */ MBEDTLS_DEPRECATED int mbedtls_pkcs11_sign(mbedtls_pkcs11_context *ctx, int mode, mbedtls_md_type_t md_alg, unsigned int hashlen, const unsigned char *hash, unsigned char *sig); /** * SSL/TLS wrappers for PKCS#11 functions * * \deprecated This function is deprecated and will be removed in a future * version of the library. */ MBEDTLS_DEPRECATED static inline int mbedtls_ssl_pkcs11_decrypt(void *ctx, int mode, size_t *olen, const unsigned char *input, unsigned char *output, size_t output_max_len) { return mbedtls_pkcs11_decrypt((mbedtls_pkcs11_context *) ctx, mode, olen, input, output, output_max_len); } /** * \brief This function signs a message digest using RSA. * * \deprecated This function is deprecated and will be removed in a future * version of the library. * * \param ctx The PKCS #11 context. * \param f_rng The RNG function. This parameter is unused. * \param p_rng The RNG context. This parameter is unused. * \param mode The operation to run. This must be set to * MBEDTLS_RSA_PRIVATE, for compatibility with rsa.c's * signature. * \param md_alg The message digest algorithm. One of the MBEDTLS_MD_XXX * must be passed to this function and MBEDTLS_MD_NONE can be * used for signing raw data. * \param hashlen The message digest length (for MBEDTLS_MD_NONE only). * \param hash The buffer holding the message digest. * \param sig The buffer that will hold the ciphertext. * * \return \c 0 if the signing operation was successful. * \return A non-zero error code on failure. * * \note The \p sig buffer must be as large as the size of * ctx->N. For example, 128 bytes if RSA-1024 is * used. */ MBEDTLS_DEPRECATED static inline int mbedtls_ssl_pkcs11_sign(void *ctx, int (*f_rng)(void *, unsigned char *, size_t), void *p_rng, int mode, mbedtls_md_type_t md_alg, unsigned int hashlen, const unsigned char *hash, unsigned char *sig) { ((void) f_rng); ((void) p_rng); return mbedtls_pkcs11_sign((mbedtls_pkcs11_context *) ctx, mode, md_alg, hashlen, hash, sig); } /** * This function gets the length of the private key. * * \deprecated This function is deprecated and will be removed in a future * version of the library. * * \param ctx The PKCS #11 context. * * \return The length of the private key. */ MBEDTLS_DEPRECATED static inline size_t mbedtls_ssl_pkcs11_key_len(void *ctx) { return ((mbedtls_pkcs11_context *) ctx)->len; } #undef MBEDTLS_DEPRECATED #endif /* MBEDTLS_DEPRECATED_REMOVED */ #ifdef __cplusplus } #endif #endif /* MBEDTLS_PKCS11_C */ #endif /* MBEDTLS_PKCS11_H */