#include "config.h"
#include "config.h"
#include MBEDTLS_CONFIG_FILE
#include MBEDTLS_CONFIG_FILE
#include "x509.h"
#include "x509.h"
#define MBEDTLS_X509_CSR_H
int mbedtls_x509_csr_parse_der( mbedtls_x509_csr *csr,
const unsigned char *buf, size_t buflen );
/** * \brief Load a Certificate Signing Request (CSR) in DER format * * \note CSR attributes (if any) are currently silently ignored. * * \param csr CSR context to fill * \param buf buffer holding the CRL data * \param buflen size of the buffer * * \return 0 if successful, or a specific X509 error code */
int mbedtls_x509_csr_parse( mbedtls_x509_csr *csr, const unsigned char *buf, size_t buflen );
/** * \brief Load a Certificate Signing Request (CSR), DER or PEM format * * \note See notes for \c mbedtls_x509_csr_parse_der() * * \param csr CSR context to fill * \param buf buffer holding the CRL data * \param buflen size of the buffer * (including the terminating null byte for PEM data) * * \return 0 if successful, or a specific X509 or PEM error code */
int mbedtls_x509_csr_parse_file( mbedtls_x509_csr *csr, const char *path );
/** * \brief Load a Certificate Signing Request (CSR) * * \note See notes for \c mbedtls_x509_csr_parse() * * \param csr CSR context to fill * \param path filename to read the CSR from * * \return 0 if successful, or a specific X509 or PEM error code */
int mbedtls_x509_csr_info( char *buf, size_t size, const char *prefix,
const mbedtls_x509_csr *csr );
/** * \brief Returns an informational string about the * CSR. * * \param buf Buffer to write to * \param size Maximum size of buffer * \param prefix A line prefix * \param csr The X509 CSR to represent * * \return The length of the string written (not including the * terminated nul byte), or a negative error code. */
void mbedtls_x509_csr_init( mbedtls_x509_csr *csr );
/** * \brief Initialize a CSR * * \param csr CSR to initialize */
void mbedtls_x509_csr_free( mbedtls_x509_csr *csr );
/** * \brief Unallocate all CSR data * * \param csr CSR to free */
void mbedtls_x509write_csr_init( mbedtls_x509write_csr *ctx );
/** * \brief Initialize a CSR context * * \param ctx CSR context to initialize */
int mbedtls_x509write_csr_set_subject_name( mbedtls_x509write_csr *ctx,
const char *subject_name );
/** * \brief Set the subject name for a CSR * Subject names should contain a comma-separated list * of OID types and values: * e.g. "C=UK,O=ARM,CN=mbed TLS Server 1" * * \param ctx CSR context to use * \param subject_name subject name to set * * \return 0 if subject name was parsed successfully, or * a specific error code */
void mbedtls_x509write_csr_set_key( mbedtls_x509write_csr *ctx, mbedtls_pk_context *key );
/** * \brief Set the key for a CSR (public key will be included, * private key used to sign the CSR when writing it) * * \param ctx CSR context to use * \param key Asymetric key to include */
void mbedtls_x509write_csr_set_md_alg( mbedtls_x509write_csr *ctx, mbedtls_md_type_t md_alg );
/** * \brief Set the MD algorithm to use for the signature * (e.g. MBEDTLS_MD_SHA1) * * \param ctx CSR context to use * \param md_alg MD algorithm to use */
int mbedtls_x509write_csr_set_key_usage( mbedtls_x509write_csr *ctx, unsigned char key_usage );
/** * \brief Set the Key Usage Extension flags * (e.g. MBEDTLS_X509_KU_DIGITAL_SIGNATURE | MBEDTLS_X509_KU_KEY_CERT_SIGN) * * \param ctx CSR context to use * \param key_usage key usage flags to set * * \return 0 if successful, or MBEDTLS_ERR_X509_ALLOC_FAILED * * \note ThedecipherOnly
flag from the Key Usage * extension is represented by bit 8 (i.e. *0x8000
), which cannot typically be represented * in an unsigned char. Therefore, the flag *decipherOnly
(i.e. * #MBEDTLS_X509_KU_DECIPHER_ONLY) cannot be set using this * function. */
int mbedtls_x509write_csr_set_ns_cert_type( mbedtls_x509write_csr *ctx,
unsigned char ns_cert_type );
/** * \brief Set the Netscape Cert Type flags * (e.g. MBEDTLS_X509_NS_CERT_TYPE_SSL_CLIENT | MBEDTLS_X509_NS_CERT_TYPE_EMAIL) * * \param ctx CSR context to use * \param ns_cert_type Netscape Cert Type flags to set * * \return 0 if successful, or MBEDTLS_ERR_X509_ALLOC_FAILED */
int mbedtls_x509write_csr_set_extension( mbedtls_x509write_csr *ctx,
const char *oid, size_t oid_len,
const unsigned char *val, size_t val_len );
/** * \brief Generic function to add to or replace an extension in the * CSR * * \param ctx CSR context to use * \param oid OID of the extension * \param oid_len length of the OID * \param val value of the extension OCTET STRING * \param val_len length of the value data * * \return 0 if successful, or a MBEDTLS_ERR_X509_ALLOC_FAILED */
void mbedtls_x509write_csr_free( mbedtls_x509write_csr *ctx );
/** * \brief Free the contents of a CSR context * * \param ctx CSR context to free */
int mbedtls_x509write_csr_der( mbedtls_x509write_csr *ctx, unsigned char *buf, size_t size,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng );
/** * \brief Write a CSR (Certificate Signing Request) to a * DER structure * Note: data is written at the end of the buffer! Use the * return value to determine where you should start * using the buffer * * \param ctx CSR to write away * \param buf buffer to write to * \param size size of the buffer * \param f_rng RNG function (for signature, see note) * \param p_rng RNG parameter * * \return length of data written if successful, or a specific * error code * * \note f_rng may be NULL if RSA is used for signature and the * signature is made offline (otherwise f_rng is desirable * for countermeasures against timing attacks). * ECDSA signatures always require a non-NULL f_rng. */
int mbedtls_x509write_csr_pem( mbedtls_x509write_csr *ctx, unsigned char *buf, size_t size,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng );
/** * \brief Write a CSR (Certificate Signing Request) to a * PEM string * * \param ctx CSR to write away * \param buf buffer to write to * \param size size of the buffer * \param f_rng RNG function (for signature, see note) * \param p_rng RNG parameter * * \return 0 if successful, or a specific error code * * \note f_rng may be NULL if RSA is used for signature and the * signature is made offline (otherwise f_rng is desirable * for countermeasures against timing attacks). * ECDSA signatures always require a non-NULL f_rng. */
typedef struct mbedtls_x509_csr
{
mbedtls_x509_buf raw; /**< The raw CSR data (DER). */
mbedtls_x509_buf cri; /**< The raw CertificateRequestInfo body (DER). */
int version; /**< CSR version (1=v1). */
mbedtls_x509_buf subject_raw; /**< The raw subject data (DER). */
mbedtls_x509_name subject; /**< The parsed subject data (named information object). */
mbedtls_pk_context pk; /**< Container for the public key context. */
mbedtls_x509_buf sig_oid;
mbedtls_x509_buf sig;
mbedtls_md_type_t sig_md; /**< Internal representation of the MD algorithm of the signature algorithm, e.g. MBEDTLS_MD_SHA256 */
mbedtls_pk_type_t sig_pk; /**< Internal representation of the Public Key algorithm of the signature algorithm, e.g. MBEDTLS_PK_RSA */
void *sig_opts; /**< Signature options to be passed to mbedtls_pk_verify_ext(), e.g. for RSASSA-PSS */
}
mbedtls_x509_csr;
/** * Certificate Signing Request (CSR) structure. */
typedef struct mbedtls_x509write_csr
{
mbedtls_pk_context *key;
mbedtls_asn1_named_data *subject;
mbedtls_md_type_t md_alg;
mbedtls_asn1_named_data *extensions;
}
mbedtls_x509write_csr;
/** * Container for writing a CSR */