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Diffstat (limited to 'include/mbedtls/asn1write.h')
| -rw-r--r-- | include/mbedtls/asn1write.h | 389 |
1 files changed, 0 insertions, 389 deletions
diff --git a/include/mbedtls/asn1write.h b/include/mbedtls/asn1write.h deleted file mode 100644 index 7af4aba..0000000 --- a/include/mbedtls/asn1write.h +++ /dev/null @@ -1,389 +0,0 @@ -/** - * \file asn1write.h - * - * \brief ASN.1 buffer writing functionality - */ -/* - * Copyright The Mbed TLS Contributors - * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later - */ -#ifndef MBEDTLS_ASN1_WRITE_H -#define MBEDTLS_ASN1_WRITE_H - -#include "mbedtls/build_info.h" - -#include "mbedtls/asn1.h" - -#define MBEDTLS_ASN1_CHK_ADD(g, f) \ - do \ - { \ - if ((ret = (f)) < 0) \ - return ret; \ - else \ - (g) += ret; \ - } while (0) - -#define MBEDTLS_ASN1_CHK_CLEANUP_ADD(g, f) \ - do \ - { \ - if ((ret = (f)) < 0) \ - goto cleanup; \ - else \ - (g) += ret; \ - } while (0) - -#ifdef __cplusplus -extern "C" { -#endif - -#if defined(MBEDTLS_ASN1_WRITE_C) || defined(MBEDTLS_X509_USE_C) -/** - * \brief Write a length field in ASN.1 format. - * - * \note This function works backwards in data buffer. - * - * \param p The reference to the current position pointer. - * \param start The start of the buffer, for bounds-checking. - * \param len The length value to write. - * - * \return The number of bytes written to \p p on success. - * \return A negative \c MBEDTLS_ERR_ASN1_XXX error code on failure. - */ -int mbedtls_asn1_write_len(unsigned char **p, const unsigned char *start, - size_t len); -/** - * \brief Write an ASN.1 tag in ASN.1 format. - * - * \note This function works backwards in data buffer. - * - * \param p The reference to the current position pointer. - * \param start The start of the buffer, for bounds-checking. - * \param tag The tag to write. - * - * \return The number of bytes written to \p p on success. - * \return A negative \c MBEDTLS_ERR_ASN1_XXX error code on failure. - */ -int mbedtls_asn1_write_tag(unsigned char **p, const unsigned char *start, - unsigned char tag); -#endif /* MBEDTLS_ASN1_WRITE_C || MBEDTLS_X509_USE_C */ - -#if defined(MBEDTLS_ASN1_WRITE_C) -/** - * \brief Write raw buffer data. - * - * \note This function works backwards in data buffer. - * - * \param p The reference to the current position pointer. - * \param start The start of the buffer, for bounds-checking. - * \param buf The data buffer to write. - * \param size The length of the data buffer. - * - * \return The number of bytes written to \p p on success. - * \return A negative \c MBEDTLS_ERR_ASN1_XXX error code on failure. - */ -int mbedtls_asn1_write_raw_buffer(unsigned char **p, const unsigned char *start, - const unsigned char *buf, size_t size); - -#if defined(MBEDTLS_BIGNUM_C) -/** - * \brief Write an arbitrary-precision number (#MBEDTLS_ASN1_INTEGER) - * in ASN.1 format. - * - * \note This function works backwards in data buffer. - * - * \param p The reference to the current position pointer. - * \param start The start of the buffer, for bounds-checking. - * \param X The MPI to write. - * It must be non-negative. - * - * \return The number of bytes written to \p p on success. - * \return A negative \c MBEDTLS_ERR_ASN1_XXX error code on failure. - */ -int mbedtls_asn1_write_mpi(unsigned char **p, const unsigned char *start, - const mbedtls_mpi *X); -#endif /* MBEDTLS_BIGNUM_C */ - -/** - * \brief Write a NULL tag (#MBEDTLS_ASN1_NULL) with zero data - * in ASN.1 format. - * - * \note This function works backwards in data buffer. - * - * \param p The reference to the current position pointer. - * \param start The start of the buffer, for bounds-checking. - * - * \return The number of bytes written to \p p on success. - * \return A negative \c MBEDTLS_ERR_ASN1_XXX error code on failure. - */ -int mbedtls_asn1_write_null(unsigned char **p, const unsigned char *start); - -/** - * \brief Write an OID tag (#MBEDTLS_ASN1_OID) and data - * in ASN.1 format. - * - * \note This function works backwards in data buffer. - * - * \param p The reference to the current position pointer. - * \param start The start of the buffer, for bounds-checking. - * \param oid The OID to write. - * \param oid_len The length of the OID. - * - * \return The number of bytes written to \p p on success. - * \return A negative \c MBEDTLS_ERR_ASN1_XXX error code on failure. - */ -int mbedtls_asn1_write_oid(unsigned char **p, const unsigned char *start, - const char *oid, size_t oid_len); - -/** - * \brief Write an AlgorithmIdentifier sequence in ASN.1 format. - * - * \note This function works backwards in data buffer. - * - * \param p The reference to the current position pointer. - * \param start The start of the buffer, for bounds-checking. - * \param oid The OID of the algorithm to write. - * \param oid_len The length of the algorithm's OID. - * \param par_len The length of the parameters, which must be already written. - * If 0, NULL parameters are added - * - * \return The number of bytes written to \p p on success. - * \return A negative \c MBEDTLS_ERR_ASN1_XXX error code on failure. - */ -int mbedtls_asn1_write_algorithm_identifier(unsigned char **p, - const unsigned char *start, - const char *oid, size_t oid_len, - size_t par_len); - -/** - * \brief Write an AlgorithmIdentifier sequence in ASN.1 format. - * - * \note This function works backwards in data buffer. - * - * \param p The reference to the current position pointer. - * \param start The start of the buffer, for bounds-checking. - * \param oid The OID of the algorithm to write. - * \param oid_len The length of the algorithm's OID. - * \param par_len The length of the parameters, which must be already written. - * \param has_par If there are any parameters. If 0, par_len must be 0. If 1 - * and \p par_len is 0, NULL parameters are added. - * - * \return The number of bytes written to \p p on success. - * \return A negative \c MBEDTLS_ERR_ASN1_XXX error code on failure. - */ -int mbedtls_asn1_write_algorithm_identifier_ext(unsigned char **p, - const unsigned char *start, - const char *oid, size_t oid_len, - size_t par_len, int has_par); - -/** - * \brief Write a boolean tag (#MBEDTLS_ASN1_BOOLEAN) and value - * in ASN.1 format. - * - * \note This function works backwards in data buffer. - * - * \param p The reference to the current position pointer. - * \param start The start of the buffer, for bounds-checking. - * \param boolean The boolean value to write, either \c 0 or \c 1. - * - * \return The number of bytes written to \p p on success. - * \return A negative \c MBEDTLS_ERR_ASN1_XXX error code on failure. - */ -int mbedtls_asn1_write_bool(unsigned char **p, const unsigned char *start, - int boolean); - -/** - * \brief Write an int tag (#MBEDTLS_ASN1_INTEGER) and value - * in ASN.1 format. - * - * \note This function works backwards in data buffer. - * - * \param p The reference to the current position pointer. - * \param start The start of the buffer, for bounds-checking. - * \param val The integer value to write. - * It must be non-negative. - * - * \return The number of bytes written to \p p on success. - * \return A negative \c MBEDTLS_ERR_ASN1_XXX error code on failure. - */ -int mbedtls_asn1_write_int(unsigned char **p, const unsigned char *start, int val); - -/** - * \brief Write an enum tag (#MBEDTLS_ASN1_ENUMERATED) and value - * in ASN.1 format. - * - * \note This function works backwards in data buffer. - * - * \param p The reference to the current position pointer. - * \param start The start of the buffer, for bounds-checking. - * \param val The integer value to write. - * - * \return The number of bytes written to \p p on success. - * \return A negative \c MBEDTLS_ERR_ASN1_XXX error code on failure. - */ -int mbedtls_asn1_write_enum(unsigned char **p, const unsigned char *start, int val); - -/** - * \brief Write a string in ASN.1 format using a specific - * string encoding tag. - - * \note This function works backwards in data buffer. - * - * \param p The reference to the current position pointer. - * \param start The start of the buffer, for bounds-checking. - * \param tag The string encoding tag to write, e.g. - * #MBEDTLS_ASN1_UTF8_STRING. - * \param text The string to write. - * \param text_len The length of \p text in bytes (which might - * be strictly larger than the number of characters). - * - * \return The number of bytes written to \p p on success. - * \return A negative error code on failure. - */ -int mbedtls_asn1_write_tagged_string(unsigned char **p, const unsigned char *start, - int tag, const char *text, - size_t text_len); - -/** - * \brief Write a string in ASN.1 format using the PrintableString - * string encoding tag (#MBEDTLS_ASN1_PRINTABLE_STRING). - * - * \note This function works backwards in data buffer. - * - * \param p The reference to the current position pointer. - * \param start The start of the buffer, for bounds-checking. - * \param text The string to write. - * \param text_len The length of \p text in bytes (which might - * be strictly larger than the number of characters). - * - * \return The number of bytes written to \p p on success. - * \return A negative error code on failure. - */ -int mbedtls_asn1_write_printable_string(unsigned char **p, - const unsigned char *start, - const char *text, size_t text_len); - -/** - * \brief Write a UTF8 string in ASN.1 format using the UTF8String - * string encoding tag (#MBEDTLS_ASN1_UTF8_STRING). - * - * \note This function works backwards in data buffer. - * - * \param p The reference to the current position pointer. - * \param start The start of the buffer, for bounds-checking. - * \param text The string to write. - * \param text_len The length of \p text in bytes (which might - * be strictly larger than the number of characters). - * - * \return The number of bytes written to \p p on success. - * \return A negative error code on failure. - */ -int mbedtls_asn1_write_utf8_string(unsigned char **p, const unsigned char *start, - const char *text, size_t text_len); - -/** - * \brief Write a string in ASN.1 format using the IA5String - * string encoding tag (#MBEDTLS_ASN1_IA5_STRING). - * - * \note This function works backwards in data buffer. - * - * \param p The reference to the current position pointer. - * \param start The start of the buffer, for bounds-checking. - * \param text The string to write. - * \param text_len The length of \p text in bytes (which might - * be strictly larger than the number of characters). - * - * \return The number of bytes written to \p p on success. - * \return A negative error code on failure. - */ -int mbedtls_asn1_write_ia5_string(unsigned char **p, const unsigned char *start, - const char *text, size_t text_len); - -/** - * \brief Write a bitstring tag (#MBEDTLS_ASN1_BIT_STRING) and - * value in ASN.1 format. - * - * \note This function works backwards in data buffer. - * - * \param p The reference to the current position pointer. - * \param start The start of the buffer, for bounds-checking. - * \param buf The bitstring to write. - * \param bits The total number of bits in the bitstring. - * - * \return The number of bytes written to \p p on success. - * \return A negative error code on failure. - */ -int mbedtls_asn1_write_bitstring(unsigned char **p, const unsigned char *start, - const unsigned char *buf, size_t bits); - -/** - * \brief This function writes a named bitstring tag - * (#MBEDTLS_ASN1_BIT_STRING) and value in ASN.1 format. - * - * As stated in RFC 5280 Appendix B, trailing zeroes are - * omitted when encoding named bitstrings in DER. - * - * \note This function works backwards within the data buffer. - * - * \param p The reference to the current position pointer. - * \param start The start of the buffer which is used for bounds-checking. - * \param buf The bitstring to write. - * \param bits The total number of bits in the bitstring. - * - * \return The number of bytes written to \p p on success. - * \return A negative error code on failure. - */ -int mbedtls_asn1_write_named_bitstring(unsigned char **p, - const unsigned char *start, - const unsigned char *buf, - size_t bits); - -/** - * \brief Write an octet string tag (#MBEDTLS_ASN1_OCTET_STRING) - * and value in ASN.1 format. - * - * \note This function works backwards in data buffer. - * - * \param p The reference to the current position pointer. - * \param start The start of the buffer, for bounds-checking. - * \param buf The buffer holding the data to write. - * \param size The length of the data buffer \p buf. - * - * \return The number of bytes written to \p p on success. - * \return A negative error code on failure. - */ -int mbedtls_asn1_write_octet_string(unsigned char **p, const unsigned char *start, - const unsigned char *buf, size_t size); - -/** - * \brief Create or find a specific named_data entry for writing in a - * sequence or list based on the OID. If not already in there, - * a new entry is added to the head of the list. - * Warning: Destructive behaviour for the val data! - * - * \param list The pointer to the location of the head of the list to seek - * through (will be updated in case of a new entry). - * \param oid The OID to look for. - * \param oid_len The size of the OID. - * \param val The associated data to store. If this is \c NULL, - * no data is copied to the new or existing buffer. - * \param val_len The minimum length of the data buffer needed. - * If this is 0, do not allocate a buffer for the associated - * data. - * If the OID was already present, enlarge, shrink or free - * the existing buffer to fit \p val_len. - * - * \return A pointer to the new / existing entry on success. - * \return \c NULL if there was a memory allocation error. - */ -mbedtls_asn1_named_data *mbedtls_asn1_store_named_data(mbedtls_asn1_named_data **list, - const char *oid, size_t oid_len, - const unsigned char *val, - size_t val_len); - -#ifdef __cplusplus -} -#endif - -#endif /* MBEDTLS_ASN1_WRITE_C */ - -#endif /* MBEDTLS_ASN1_WRITE_H */ |