mirror of
https://github.com/yuzu-emu/mbedtls.git
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Base X509 certificate writing functinality
This commit is contained in:
Paul Bakker
parent
f451bac000
commit
9397dcb0e8
@ -84,6 +84,31 @@ typedef struct _x509_csr
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}
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x509_csr;
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#define X509_CRT_VERSION_1 0
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#define X509_CRT_VERSION_2 1
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#define X509_CRT_VERSION_3 2
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#define X509_RFC5280_MAX_SERIAL_LEN 32
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#define X509_RFC5280_UTC_TIME_LEN 15
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/**
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* Container for writing a certificate (CRT)
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*/
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typedef struct _x509write_cert
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{
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int version;
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mpi serial;
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rsa_context *subject_key;
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rsa_context *issuer_key;
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x509_req_name *subject;
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x509_req_name *issuer;
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md_type_t md_alg;
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char not_before[X509_RFC5280_UTC_TIME_LEN + 1];
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char not_after[X509_RFC5280_UTC_TIME_LEN + 1];
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asn1_named_data *extensions;
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}
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x509write_cert;
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/* \} addtogroup x509_module */
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/**
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@ -169,6 +194,125 @@ int x509write_csr_set_extension( x509_csr *ctx,
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*/
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void x509write_csr_free( x509_csr *ctx );
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/**
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* \brief Initialize a CRT writing context
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*
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* \param ctx CRT context to initialize
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*/
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void x509write_crt_init( x509write_cert *ctx );
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/**
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* \brief Set the verion for a Certificate
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* Default: X509_CRT_VERSION_3
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*
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* \param ctx CRT context to use
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* \param version version to set (X509_CRT_VERSION_1, X509_CRT_VERSION_2 or
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* X509_CRT_VERSION_3)
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*/
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void x509write_crt_set_version( x509write_cert *ctx, int version );
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/**
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* \brief Set the serial number for a Certificate.
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*
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* \param ctx CRT context to use
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* \param serial serial number to set
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*
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* \return 0 if successful
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*/
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int x509write_crt_set_serial( x509write_cert *ctx, const mpi *serial );
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/**
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* \brief Set the validity period for a Certificate
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* Timestamps should be in string format for UTC timezone
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* i.e. "YYYYMMDDhhmmss"
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* e.g. "20131231235959" for December 31st 2013
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* at 23:59:59
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*
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* \param ctx CRT context to use
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* \param not_before not_before timestamp
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* \param not_after not_after timestamp
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*
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* \return 0 if timestamp was parsed successfully, or
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* a specific error code
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*/
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int x509write_crt_set_validity( x509write_cert *ctx, char *not_before,
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char *not_after );
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/**
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* \brief Set the issuer name for a Certificate
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* Issuer names should contain a comma-separated list
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* of OID types and values:
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* e.g. "C=NL,O=Offspark,CN=PolarSSL CA"
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*
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* \param ctx CRT context to use
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* \param issuer_name issuer name to set
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*
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* \return 0 if issuer name was parsed successfully, or
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* a specific error code
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*/
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int x509write_crt_set_issuer_name( x509write_cert *ctx, char *issuer_name );
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/**
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* \brief Set the subject name for a Certificate
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* Subject names should contain a comma-separated list
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* of OID types and values:
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* e.g. "C=NL,O=Offspark,CN=PolarSSL Server 1"
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*
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* \param ctx CRT context to use
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* \param subject_name subject name to set
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*
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* \return 0 if subject name was parsed successfully, or
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* a specific error code
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*/
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int x509write_crt_set_subject_name( x509write_cert *ctx, char *subject_name );
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/**
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* \brief Set the subject public key for the certificate
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*
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* \param ctx CRT context to use
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* \param rsa RSA public key to include
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*/
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void x509write_crt_set_subject_key( x509write_cert *ctx, rsa_context *rsa );
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/**
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* \brief Set the issuer key used for signing the certificate
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*
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* \param ctx CRT context to use
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* \param rsa RSA key to sign with
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*/
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void x509write_crt_set_issuer_key( x509write_cert *ctx, rsa_context *rsa );
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/**
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* \brief Set the MD algorithm to use for the signature
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* (e.g. POLARSSL_MD_SHA1)
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*
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* \param ctx CRT context to use
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* \param md_ald MD algorithm to use
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*/
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void x509write_crt_set_md_alg( x509write_cert *ctx, md_type_t md_alg );
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/**
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* \brief Free the contents of a CRT write context
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*
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* \param ctx CRT context to free
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*/
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void x509write_crt_free( x509write_cert *ctx );
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/**
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* \brief Write a built up certificate to a X509 DER structure
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* Note: data is written at the end of the buffer! Use the
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* return value to determine where you should start
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* using the buffer
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*
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* \param crt certificate to write away
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* \param buf buffer to write to
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* \param size size of the buffer
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*
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* \return length of data written if successful, or a specific
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* error code
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*/
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int x509write_crt_der( x509write_cert *ctx, unsigned char *buf, size_t size );
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/**
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* \brief Write a RSA public key to a PKCS#1 DER structure
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* Note: data is written at the end of the buffer! Use the
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@ -216,6 +360,17 @@ int x509write_key_der( rsa_context *rsa, unsigned char *buf, size_t size );
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int x509write_csr_der( x509_csr *ctx, unsigned char *buf, size_t size );
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#if defined(POLARSSL_BASE64_C)
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/**
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* \brief Write a built up certificate to a X509 PEM string
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*
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* \param crt certificate to write away
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* \param buf buffer to write to
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* \param size size of the buffer
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*
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* \return 0 successful, or a specific error code
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*/
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int x509write_crt_pem( x509write_cert *ctx, unsigned char *buf, size_t size );
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/**
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* \brief Write a RSA public key to a PKCS#1 PEM string
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*
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@ -45,55 +45,19 @@
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#define polarssl_free free
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#endif
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void x509write_csr_init( x509_csr *ctx )
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{
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memset( ctx, 0, sizeof(x509_csr) );
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}
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void x509write_csr_free( x509_csr *ctx )
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{
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x509_req_name *cur;
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asn1_named_data *cur_ext;
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while( ( cur = ctx->subject ) != NULL )
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{
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ctx->subject = cur->next;
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polarssl_free( cur );
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}
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while( ( cur_ext = ctx->extensions ) != NULL )
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{
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ctx->extensions = cur_ext->next;
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asn1_free_named_data( cur_ext );
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polarssl_free( cur_ext );
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}
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memset( ctx, 0, sizeof(x509_csr) );
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}
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void x509write_csr_set_md_alg( x509_csr *ctx, md_type_t md_alg )
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{
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ctx->md_alg = md_alg;
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}
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void x509write_csr_set_rsa_key( x509_csr *ctx, rsa_context *rsa )
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{
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ctx->rsa = rsa;
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}
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int x509write_csr_set_subject_name( x509_csr *ctx, char *subject_name )
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static int x509write_string_to_names( x509_req_name **head, char *name )
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{
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int ret = 0;
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char *s = subject_name, *c = s;
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char *s = name, *c = s;
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char *end = s + strlen( s );
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char *oid = NULL;
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int in_tag = 1;
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x509_req_name *cur;
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while( ctx->subject )
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while( *head != NULL )
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{
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cur = ctx->subject;
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ctx->subject = ctx->subject->next;
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cur = *head;
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*head = cur->next;
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polarssl_free( cur );
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}
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@ -143,8 +107,8 @@ int x509write_csr_set_subject_name( x509_csr *ctx, char *subject_name )
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memset( cur, 0, sizeof(x509_req_name) );
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cur->next = ctx->subject;
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ctx->subject = cur;
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cur->next = *head;
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*head = cur;
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strncpy( cur->oid, oid, strlen( oid ) );
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strncpy( cur->name, s, c - s );
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@ -160,6 +124,47 @@ exit:
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return( ret );
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}
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void x509write_csr_init( x509_csr *ctx )
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{
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memset( ctx, 0, sizeof(x509_csr) );
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}
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void x509write_csr_free( x509_csr *ctx )
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{
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x509_req_name *cur;
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asn1_named_data *cur_ext;
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while( ( cur = ctx->subject ) != NULL )
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{
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ctx->subject = cur->next;
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polarssl_free( cur );
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}
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while( ( cur_ext = ctx->extensions ) != NULL )
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{
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ctx->extensions = cur_ext->next;
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asn1_free_named_data( cur_ext );
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polarssl_free( cur_ext );
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}
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memset( ctx, 0, sizeof(x509_csr) );
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}
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void x509write_csr_set_md_alg( x509_csr *ctx, md_type_t md_alg )
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{
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ctx->md_alg = md_alg;
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}
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void x509write_csr_set_rsa_key( x509_csr *ctx, rsa_context *rsa )
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{
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ctx->rsa = rsa;
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}
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int x509write_csr_set_subject_name( x509_csr *ctx, char *subject_name )
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{
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return x509write_string_to_names( &ctx->subject, subject_name );
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}
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int x509write_csr_set_extension( x509_csr *ctx,
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const char *oid, size_t oid_len,
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const unsigned char *val, size_t val_len )
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@ -257,6 +262,94 @@ int x509write_csr_set_ns_cert_type( x509_csr *ctx, unsigned char ns_cert_type )
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return( 0 );
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}
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void x509write_crt_init( x509write_cert *ctx )
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{
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memset( ctx, 0, sizeof(x509write_cert) );
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mpi_init( &ctx->serial );
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ctx->version = X509_CRT_VERSION_3;
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}
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void x509write_crt_free( x509write_cert *ctx )
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{
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x509_req_name *cur;
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asn1_named_data *cur_ext;
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mpi_free( &ctx->serial );
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while( ( cur = ctx->subject ) != NULL )
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{
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ctx->subject = cur->next;
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polarssl_free( cur );
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}
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while( ( cur = ctx->issuer ) != NULL )
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{
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ctx->issuer = cur->next;
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polarssl_free( cur );
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}
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while( ( cur_ext = ctx->extensions ) != NULL )
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{
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ctx->extensions = cur_ext->next;
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asn1_free_named_data( cur_ext );
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polarssl_free( cur_ext );
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}
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memset( ctx, 0, sizeof(x509_csr) );
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}
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void x509write_crt_set_md_alg( x509write_cert *ctx, md_type_t md_alg )
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{
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ctx->md_alg = md_alg;
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}
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void x509write_crt_set_subject_key( x509write_cert *ctx, rsa_context *rsa )
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{
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ctx->subject_key = rsa;
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}
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void x509write_crt_set_issuer_key( x509write_cert *ctx, rsa_context *rsa )
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{
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ctx->issuer_key = rsa;
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}
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int x509write_crt_set_subject_name( x509write_cert *ctx, char *subject_name )
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{
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return x509write_string_to_names( &ctx->subject, subject_name );
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}
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int x509write_crt_set_issuer_name( x509write_cert *ctx, char *issuer_name )
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{
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return x509write_string_to_names( &ctx->issuer, issuer_name );
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}
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int x509write_crt_set_serial( x509write_cert *ctx, const mpi *serial )
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{
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int ret;
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if( ( ret = mpi_copy( &ctx->serial, serial ) ) != 0 )
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return( ret );
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return( 0 );
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}
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int x509write_crt_set_validity( x509write_cert *ctx, char *not_before,
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char *not_after )
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{
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if( strlen(not_before) != X509_RFC5280_UTC_TIME_LEN - 1 ||
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strlen(not_after) != X509_RFC5280_UTC_TIME_LEN - 1 )
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{
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return( POLARSSL_ERR_X509WRITE_BAD_INPUT_DATA );
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}
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strncpy( ctx->not_before, not_before, X509_RFC5280_UTC_TIME_LEN );
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strncpy( ctx->not_after , not_after , X509_RFC5280_UTC_TIME_LEN );
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ctx->not_before[X509_RFC5280_UTC_TIME_LEN - 1] = 'Z';
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ctx->not_after[X509_RFC5280_UTC_TIME_LEN - 1] = 'Z';
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return( 0 );
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}
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int x509write_pubkey_der( rsa_context *rsa, unsigned char *buf, size_t size )
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{
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int ret;
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@ -344,6 +437,18 @@ int x509write_key_der( rsa_context *rsa, unsigned char *buf, size_t size )
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return( len );
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}
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/*
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* RelativeDistinguishedName ::=
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* SET OF AttributeTypeAndValue
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*
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* AttributeTypeAndValue ::= SEQUENCE {
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* type AttributeType,
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* value AttributeValue }
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*
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* AttributeType ::= OBJECT IDENTIFIER
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*
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* AttributeValue ::= ANY DEFINED BY AttributeType
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*/
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static int x509_write_name( unsigned char **p, unsigned char *start, char *oid,
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char *name )
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{
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@ -376,6 +481,25 @@ static int x509_write_name( unsigned char **p, unsigned char *start, char *oid,
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return( len );
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}
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static int x509_write_names( unsigned char **p, unsigned char *start,
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x509_req_name *first )
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{
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int ret;
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size_t len = 0;
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x509_req_name *cur = first;
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while( cur != NULL )
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{
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ASN1_CHK_ADD( len, x509_write_name( p, start, cur->oid, cur->name ) );
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cur = cur->next;
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}
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ASN1_CHK_ADD( len, asn1_write_len( p, start, len ) );
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ASN1_CHK_ADD( len, asn1_write_tag( p, start, ASN1_CONSTRUCTED | ASN1_SEQUENCE ) );
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return( len );
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}
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static int x509_write_sig( unsigned char **p, unsigned char *start,
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const char *oid, unsigned char *sig, size_t size )
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{
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@ -402,6 +526,21 @@ static int x509_write_sig( unsigned char **p, unsigned char *start,
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return( len );
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}
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static int x509_write_time( unsigned char **p, unsigned char *start,
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const char *time, size_t size )
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{
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int ret;
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size_t len = 0;
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ASN1_CHK_ADD( len, asn1_write_raw_buffer( p, start,
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(const unsigned char *) time,
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size ) );
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ASN1_CHK_ADD( len, asn1_write_len( p, start, len ) );
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ASN1_CHK_ADD( len, asn1_write_tag( p, start, ASN1_GENERALIZED_TIME ) );
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return( len );
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}
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int x509write_csr_der( x509_csr *ctx, unsigned char *buf, size_t size )
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{
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int ret;
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@ -410,9 +549,8 @@ int x509write_csr_der( x509_csr *ctx, unsigned char *buf, size_t size )
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unsigned char hash[64];
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unsigned char sig[POLARSSL_MPI_MAX_SIZE];
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unsigned char tmp_buf[2048];
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size_t sub_len = 0, pub_len = 0, sig_len = 0;
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size_t pub_len = 0, sig_len = 0;
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size_t len = 0;
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x509_req_name *cur = ctx->subject;
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asn1_named_data *cur_ext = ctx->extensions;
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c = tmp_buf + 2048 - 1;
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@ -482,16 +620,10 @@ int x509write_csr_der( x509_csr *ctx, unsigned char *buf, size_t size )
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ASN1_CHK_ADD( len, asn1_write_len( &c, tmp_buf, pub_len ) );
|
||||
ASN1_CHK_ADD( len, asn1_write_tag( &c, tmp_buf, ASN1_CONSTRUCTED | ASN1_SEQUENCE ) );
|
||||
|
||||
while( cur != NULL )
|
||||
{
|
||||
ASN1_CHK_ADD( sub_len, x509_write_name( &c, tmp_buf, cur->oid, cur->name ) );
|
||||
|
||||
cur = cur->next;
|
||||
}
|
||||
|
||||
len += sub_len;
|
||||
ASN1_CHK_ADD( len, asn1_write_len( &c, tmp_buf, sub_len ) );
|
||||
ASN1_CHK_ADD( len, asn1_write_tag( &c, tmp_buf, ASN1_CONSTRUCTED | ASN1_SEQUENCE ) );
|
||||
/*
|
||||
* Subject ::= Name
|
||||
*/
|
||||
ASN1_CHK_ADD( len, x509_write_names( &c, tmp_buf, ctx->subject ) );
|
||||
|
||||
/*
|
||||
* Version ::= INTEGER { v1(0), v2(1), v3(2) }
|
||||
@ -522,6 +654,123 @@ int x509write_csr_der( x509_csr *ctx, unsigned char *buf, size_t size )
|
||||
return( len );
|
||||
}
|
||||
|
||||
int x509write_crt_der( x509write_cert *ctx, unsigned char *buf, size_t size )
|
||||
{
|
||||
int ret;
|
||||
const char *sig_oid;
|
||||
unsigned char *c, *c2;
|
||||
unsigned char hash[64];
|
||||
unsigned char sig[POLARSSL_MPI_MAX_SIZE];
|
||||
unsigned char tmp_buf[2048];
|
||||
size_t sub_len = 0, pub_len = 0, sig_len = 0;
|
||||
size_t len = 0;
|
||||
asn1_named_data *cur_ext = ctx->extensions;
|
||||
|
||||
c = tmp_buf + 2048 - 1;
|
||||
|
||||
// Generate correct OID
|
||||
//
|
||||
ret = oid_get_oid_by_sig_alg( POLARSSL_PK_RSA, ctx->md_alg, &sig_oid );
|
||||
if( ret != 0 )
|
||||
return( ret );
|
||||
|
||||
|
||||
/*
|
||||
* SubjectPublicKeyInfo ::= SEQUENCE {
|
||||
* algorithm AlgorithmIdentifier,
|
||||
* subjectPublicKey BIT STRING }
|
||||
*/
|
||||
ASN1_CHK_ADD( pub_len, asn1_write_mpi( &c, tmp_buf, &ctx->subject_key->E ) );
|
||||
ASN1_CHK_ADD( pub_len, asn1_write_mpi( &c, tmp_buf, &ctx->subject_key->N ) );
|
||||
|
||||
ASN1_CHK_ADD( pub_len, asn1_write_len( &c, tmp_buf, pub_len ) );
|
||||
ASN1_CHK_ADD( pub_len, asn1_write_tag( &c, tmp_buf, ASN1_CONSTRUCTED | ASN1_SEQUENCE ) );
|
||||
|
||||
if( c - tmp_buf < 1 )
|
||||
return( POLARSSL_ERR_ASN1_BUF_TOO_SMALL );
|
||||
|
||||
*--c = 0;
|
||||
pub_len += 1;
|
||||
|
||||
ASN1_CHK_ADD( pub_len, asn1_write_len( &c, tmp_buf, pub_len ) );
|
||||
ASN1_CHK_ADD( pub_len, asn1_write_tag( &c, tmp_buf, ASN1_BIT_STRING ) );
|
||||
|
||||
ASN1_CHK_ADD( pub_len, asn1_write_algorithm_identifier( &c, tmp_buf, OID_PKCS1_RSA ) );
|
||||
|
||||
len += pub_len;
|
||||
ASN1_CHK_ADD( len, asn1_write_len( &c, tmp_buf, pub_len ) );
|
||||
ASN1_CHK_ADD( len, asn1_write_tag( &c, tmp_buf, ASN1_CONSTRUCTED | ASN1_SEQUENCE ) );
|
||||
|
||||
/*
|
||||
* Subject ::= Name
|
||||
*/
|
||||
ASN1_CHK_ADD( len, x509_write_names( &c, tmp_buf, ctx->subject ) );
|
||||
|
||||
/*
|
||||
* Validity ::= SEQUENCE {
|
||||
* notBefore Time,
|
||||
* notAfter Time }
|
||||
*/
|
||||
sub_len = 0;
|
||||
|
||||
ASN1_CHK_ADD( sub_len, x509_write_time( &c, tmp_buf, ctx->not_after,
|
||||
X509_RFC5280_UTC_TIME_LEN ) );
|
||||
|
||||
ASN1_CHK_ADD( sub_len, x509_write_time( &c, tmp_buf, ctx->not_before,
|
||||
X509_RFC5280_UTC_TIME_LEN ) );
|
||||
|
||||
len += sub_len;
|
||||
ASN1_CHK_ADD( len, asn1_write_len( &c, tmp_buf, sub_len ) );
|
||||
ASN1_CHK_ADD( len, asn1_write_tag( &c, tmp_buf, ASN1_CONSTRUCTED | ASN1_SEQUENCE ) );
|
||||
|
||||
/*
|
||||
* Issuer ::= Name
|
||||
*/
|
||||
ASN1_CHK_ADD( len, x509_write_names( &c, tmp_buf, ctx->issuer ) );
|
||||
|
||||
/*
|
||||
* Signature ::= AlgorithmIdentifier
|
||||
*/
|
||||
ASN1_CHK_ADD( len, asn1_write_algorithm_identifier( &c, tmp_buf,
|
||||
sig_oid ) );
|
||||
|
||||
/*
|
||||
* Serial ::= INTEGER
|
||||
*/
|
||||
ASN1_CHK_ADD( len, asn1_write_mpi( &c, tmp_buf, &ctx->serial ) );
|
||||
|
||||
/*
|
||||
* Version ::= INTEGER { v1(0), v2(1), v3(2) }
|
||||
*/
|
||||
sub_len = 0;
|
||||
ASN1_CHK_ADD( sub_len, asn1_write_int( &c, tmp_buf, ctx->version ) );
|
||||
len += sub_len;
|
||||
ASN1_CHK_ADD( len, asn1_write_len( &c, tmp_buf, sub_len ) );
|
||||
ASN1_CHK_ADD( len, asn1_write_tag( &c, tmp_buf, ASN1_CONTEXT_SPECIFIC | ASN1_CONSTRUCTED | 0 ) );
|
||||
|
||||
ASN1_CHK_ADD( len, asn1_write_len( &c, tmp_buf, len ) );
|
||||
ASN1_CHK_ADD( len, asn1_write_tag( &c, tmp_buf, ASN1_CONSTRUCTED | ASN1_SEQUENCE ) );
|
||||
|
||||
md( md_info_from_type( ctx->md_alg ), c, len, hash );
|
||||
|
||||
rsa_pkcs1_sign( ctx->issuer_key, NULL, NULL, RSA_PRIVATE, ctx->md_alg, 0, hash, sig );
|
||||
|
||||
c2 = buf + size - 1;
|
||||
ASN1_CHK_ADD( sig_len, x509_write_sig( &c2, buf, sig_oid, sig, ctx->issuer_key->len ) );
|
||||
|
||||
c2 -= len;
|
||||
memcpy( c2, c, len );
|
||||
|
||||
len += sig_len;
|
||||
ASN1_CHK_ADD( len, asn1_write_len( &c2, buf, len ) );
|
||||
ASN1_CHK_ADD( len, asn1_write_tag( &c2, buf, ASN1_CONSTRUCTED | ASN1_SEQUENCE ) );
|
||||
|
||||
return( len );
|
||||
}
|
||||
|
||||
#define PEM_BEGIN_CRT "-----BEGIN CERTIFICATE-----\n"
|
||||
#define PEM_END_CRT "-----END CERTIFICATE-----\n"
|
||||
|
||||
#define PEM_BEGIN_CSR "-----BEGIN CERTIFICATE REQUEST-----\n"
|
||||
#define PEM_END_CSR "-----END CERTIFICATE REQUEST-----\n"
|
||||
|
||||
@ -571,6 +820,27 @@ static int x509write_pemify( const char *begin_str, const char *end_str,
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
int x509write_crt_pem( x509write_cert *crt, unsigned char *buf, size_t size )
|
||||
{
|
||||
int ret;
|
||||
unsigned char output_buf[4096];
|
||||
|
||||
if( ( ret = x509write_crt_der( crt, output_buf,
|
||||
sizeof(output_buf) ) ) < 0 )
|
||||
{
|
||||
return( ret );
|
||||
}
|
||||
|
||||
if( ( ret = x509write_pemify( PEM_BEGIN_CRT, PEM_END_CRT,
|
||||
output_buf + sizeof(output_buf) - 1 - ret,
|
||||
ret, buf, size ) ) != 0 )
|
||||
{
|
||||
return( ret );
|
||||
}
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
int x509write_pubkey_pem( rsa_context *rsa, unsigned char *buf, size_t size )
|
||||
{
|
||||
int ret;
|
||||
|
||||
1
programs/.gitignore
vendored
1
programs/.gitignore
vendored
@ -40,3 +40,4 @@ util/strerror
|
||||
x509/cert_app
|
||||
x509/cert_req
|
||||
x509/crl_app
|
||||
x509/cert_write
|
||||
|
||||
@ -19,6 +19,9 @@ target_link_libraries(crl_app ${libs})
|
||||
add_executable(cert_req cert_req.c)
|
||||
target_link_libraries(cert_req ${libs})
|
||||
|
||||
install(TARGETS cert_app crl_app cert_req
|
||||
add_executable(cert_write cert_write.c)
|
||||
target_link_libraries(cert_write ${libs})
|
||||
|
||||
install(TARGETS cert_app crl_app cert_req cert_write
|
||||
DESTINATION "bin"
|
||||
PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE)
|
||||
|
||||
423
programs/x509/cert_write.c
Normal file
423
programs/x509/cert_write.c
Normal file
@ -0,0 +1,423 @@
|
||||
/*
|
||||
* Certificate generation and signing
|
||||
*
|
||||
* Copyright (C) 2006-2013, Brainspark B.V.
|
||||
*
|
||||
* This file is part of PolarSSL (http://www.polarssl.org)
|
||||
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
|
||||
*
|
||||
* All rights reserved.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License along
|
||||
* with this program; if not, write to the Free Software Foundation, Inc.,
|
||||
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||
*/
|
||||
|
||||
#ifndef _CRT_SECURE_NO_DEPRECATE
|
||||
#define _CRT_SECURE_NO_DEPRECATE 1
|
||||
#endif
|
||||
|
||||
#include <string.h>
|
||||
#include <stdlib.h>
|
||||
#include <stdio.h>
|
||||
|
||||
#include "polarssl/config.h"
|
||||
|
||||
#include "polarssl/error.h"
|
||||
#include "polarssl/rsa.h"
|
||||
#include "polarssl/x509.h"
|
||||
#include "polarssl/base64.h"
|
||||
#include "polarssl/x509write.h"
|
||||
#include "polarssl/oid.h"
|
||||
|
||||
#if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_RSA_C) || \
|
||||
!defined(POLARSSL_X509_WRITE_C) || !defined(POLARSSL_FS_IO)
|
||||
int main( int argc, char *argv[] )
|
||||
{
|
||||
((void) argc);
|
||||
((void) argv);
|
||||
|
||||
printf("POLARSSL_BIGNUM_C and/or POLARSSL_RSA_C and/or "
|
||||
"POLARSSL_X509_WRITE_C and/or POLARSSL_FS_IO not defined.\n");
|
||||
return( 0 );
|
||||
}
|
||||
#else
|
||||
|
||||
#define DFL_SUBJECT_KEY "subject.key"
|
||||
#define DFL_ISSUER_KEY "ca.key"
|
||||
#define DFL_SUBJECT_PWD ""
|
||||
#define DFL_ISSUER_PWD ""
|
||||
#define DFL_OUTPUT_FILENAME "cert.crt"
|
||||
#define DFL_SUBJECT_NAME "CN=Cert,O=PolarSSL,C=NL"
|
||||
#define DFL_ISSUER_NAME "CN=CA,O=PolarSSL,C=NL"
|
||||
#define DFL_NOT_BEFORE "20010101000000"
|
||||
#define DFL_NOT_AFTER "20301231235959"
|
||||
#define DFL_SERIAL "1"
|
||||
#define DFL_KEY_USAGE 0
|
||||
#define DFL_NS_CERT_TYPE 0
|
||||
|
||||
/*
|
||||
* global options
|
||||
*/
|
||||
struct options
|
||||
{
|
||||
char *subject_key; /* filename of the subject key file */
|
||||
char *issuer_key; /* filename of the issuer key file */
|
||||
char *subject_pwd; /* password for the subject key file */
|
||||
char *issuer_pwd; /* password for the issuer key file */
|
||||
char *output_file; /* where to store the constructed key file */
|
||||
char *subject_name; /* subject name for certificate */
|
||||
char *issuer_name; /* issuer name for certificate */
|
||||
char *not_before; /* validity period not before */
|
||||
char *not_after; /* validity period not after */
|
||||
char *serial; /* serial number string */
|
||||
unsigned char key_usage; /* key usage flags */
|
||||
unsigned char ns_cert_type; /* NS cert type */
|
||||
} opt;
|
||||
|
||||
int write_certificate( x509write_cert *crt, char *output_file )
|
||||
{
|
||||
int ret;
|
||||
FILE *f;
|
||||
unsigned char output_buf[4096];
|
||||
size_t len = 0;
|
||||
|
||||
memset( output_buf, 0, 4096 );
|
||||
if( ( ret = x509write_crt_pem( crt, output_buf, 4096 ) ) < 0 )
|
||||
return( ret );
|
||||
|
||||
len = strlen( (char *) output_buf );
|
||||
|
||||
if( ( f = fopen( output_file, "w" ) ) == NULL )
|
||||
return( -1 );
|
||||
|
||||
if( fwrite( output_buf, 1, len, f ) != len )
|
||||
return( -1 );
|
||||
|
||||
fclose(f);
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
#define USAGE \
|
||||
"\n usage: cert_write param=<>...\n" \
|
||||
"\n acceptable parameters:\n" \
|
||||
" subject_key=%%s default: subject.key\n" \
|
||||
" subject_pwd=%%s default: (empty)\n" \
|
||||
" issuer_key=%%s default: ca.key\n" \
|
||||
" issuer_pwd=%%s default: (empty)\n" \
|
||||
" output_file=%%s default: cert.crt\n" \
|
||||
" subject_name=%%s default: CN=Cert,O=PolarSSL,C=NL\n" \
|
||||
" issuer_name=%%s default: CN=CA,O=PolarSSL,C=NL\n" \
|
||||
" serial=%%s default: 1\n" \
|
||||
" not_before=%%s default: 20010101000000\n"\
|
||||
" not_after=%%s default: 20301231235959\n"\
|
||||
" key_usage=%%s default: (empty)\n" \
|
||||
" Comma-separated-list of values:\n" \
|
||||
" digital_signature\n" \
|
||||
" non_repudiation\n" \
|
||||
" key_encipherment\n" \
|
||||
" data_encipherment\n" \
|
||||
" key_agreement\n" \
|
||||
" key_certificate_sign\n" \
|
||||
" crl_sign\n" \
|
||||
" ns_cert_type=%%s default: (empty)\n" \
|
||||
" Comma-separated-list of values:\n" \
|
||||
" ssl_client\n" \
|
||||
" ssl_server\n" \
|
||||
" email\n" \
|
||||
" object_signing\n" \
|
||||
" ssl_ca\n" \
|
||||
" email_ca\n" \
|
||||
" object_signing_ca\n" \
|
||||
"\n"
|
||||
|
||||
int main( int argc, char *argv[] )
|
||||
{
|
||||
int ret = 0;
|
||||
rsa_context issuer_rsa, subject_rsa;
|
||||
char buf[1024];
|
||||
int i, j, n;
|
||||
char *p, *q, *r;
|
||||
x509write_cert crt;
|
||||
mpi serial;
|
||||
|
||||
/*
|
||||
* Set to sane values
|
||||
*/
|
||||
x509write_crt_init( &crt );
|
||||
x509write_crt_set_md_alg( &crt, POLARSSL_MD_SHA1 );
|
||||
rsa_init( &issuer_rsa, RSA_PKCS_V15, 0 );
|
||||
rsa_init( &subject_rsa, RSA_PKCS_V15, 0 );
|
||||
mpi_init( &serial );
|
||||
memset( buf, 0, 1024 );
|
||||
|
||||
if( argc == 0 )
|
||||
{
|
||||
usage:
|
||||
printf( USAGE );
|
||||
ret = 1;
|
||||
goto exit;
|
||||
}
|
||||
|
||||
opt.subject_key = DFL_SUBJECT_KEY;
|
||||
opt.issuer_key = DFL_ISSUER_KEY;
|
||||
opt.subject_pwd = DFL_SUBJECT_PWD;
|
||||
opt.issuer_pwd = DFL_ISSUER_PWD;
|
||||
opt.output_file = DFL_OUTPUT_FILENAME;
|
||||
opt.subject_name = DFL_SUBJECT_NAME;
|
||||
opt.issuer_name = DFL_ISSUER_NAME;
|
||||
opt.not_before = DFL_NOT_BEFORE;
|
||||
opt.not_after = DFL_NOT_AFTER;
|
||||
opt.serial = DFL_SERIAL;
|
||||
opt.key_usage = DFL_KEY_USAGE;
|
||||
opt.ns_cert_type = DFL_NS_CERT_TYPE;
|
||||
|
||||
for( i = 1; i < argc; i++ )
|
||||
{
|
||||
|
||||
p = argv[i];
|
||||
if( ( q = strchr( p, '=' ) ) == NULL )
|
||||
goto usage;
|
||||
*q++ = '\0';
|
||||
|
||||
n = strlen( p );
|
||||
for( j = 0; j < n; j++ )
|
||||
{
|
||||
if( argv[i][j] >= 'A' && argv[i][j] <= 'Z' )
|
||||
argv[i][j] |= 0x20;
|
||||
}
|
||||
|
||||
if( strcmp( p, "subject_key" ) == 0 )
|
||||
opt.subject_key = q;
|
||||
else if( strcmp( p, "issuer_key" ) == 0 )
|
||||
opt.issuer_key = q;
|
||||
else if( strcmp( p, "subject_pwd" ) == 0 )
|
||||
opt.subject_pwd = q;
|
||||
else if( strcmp( p, "issuer_pwd" ) == 0 )
|
||||
opt.issuer_pwd = q;
|
||||
else if( strcmp( p, "output_file" ) == 0 )
|
||||
opt.output_file = q;
|
||||
else if( strcmp( p, "subject_name" ) == 0 )
|
||||
{
|
||||
opt.subject_name = q;
|
||||
}
|
||||
else if( strcmp( p, "issuer_name" ) == 0 )
|
||||
{
|
||||
opt.issuer_name = q;
|
||||
}
|
||||
else if( strcmp( p, "not_before" ) == 0 )
|
||||
{
|
||||
opt.not_before = q;
|
||||
}
|
||||
else if( strcmp( p, "not_after" ) == 0 )
|
||||
{
|
||||
opt.not_after = q;
|
||||
}
|
||||
else if( strcmp( p, "serial" ) == 0 )
|
||||
{
|
||||
opt.serial = q;
|
||||
}
|
||||
else if( strcmp( p, "key_usage" ) == 0 )
|
||||
{
|
||||
while( q != NULL )
|
||||
{
|
||||
if( ( r = strchr( q, ',' ) ) != NULL )
|
||||
*r++ = '\0';
|
||||
|
||||
if( strcmp( q, "digital_signature" ) == 0 )
|
||||
opt.key_usage |= KU_DIGITAL_SIGNATURE;
|
||||
else if( strcmp( q, "non_repudiation" ) == 0 )
|
||||
opt.key_usage |= KU_NON_REPUDIATION;
|
||||
else if( strcmp( q, "key_encipherment" ) == 0 )
|
||||
opt.key_usage |= KU_KEY_ENCIPHERMENT;
|
||||
else if( strcmp( q, "data_encipherment" ) == 0 )
|
||||
opt.key_usage |= KU_DATA_ENCIPHERMENT;
|
||||
else if( strcmp( q, "key_agreement" ) == 0 )
|
||||
opt.key_usage |= KU_KEY_AGREEMENT;
|
||||
else if( strcmp( q, "key_cert_sign" ) == 0 )
|
||||
opt.key_usage |= KU_KEY_CERT_SIGN;
|
||||
else if( strcmp( q, "crl_sign" ) == 0 )
|
||||
opt.key_usage |= KU_CRL_SIGN;
|
||||
else
|
||||
goto usage;
|
||||
|
||||
q = r;
|
||||
}
|
||||
}
|
||||
else if( strcmp( p, "ns_cert_type" ) == 0 )
|
||||
{
|
||||
while( q != NULL )
|
||||
{
|
||||
if( ( r = strchr( q, ',' ) ) != NULL )
|
||||
*r++ = '\0';
|
||||
|
||||
if( strcmp( q, "ssl_client" ) == 0 )
|
||||
opt.ns_cert_type |= NS_CERT_TYPE_SSL_CLIENT;
|
||||
else if( strcmp( q, "ssl_server" ) == 0 )
|
||||
opt.ns_cert_type |= NS_CERT_TYPE_SSL_SERVER;
|
||||
else if( strcmp( q, "email" ) == 0 )
|
||||
opt.ns_cert_type |= NS_CERT_TYPE_EMAIL;
|
||||
else if( strcmp( q, "object_signing" ) == 0 )
|
||||
opt.ns_cert_type |= NS_CERT_TYPE_OBJECT_SIGNING;
|
||||
else if( strcmp( q, "ssl_ca" ) == 0 )
|
||||
opt.ns_cert_type |= NS_CERT_TYPE_SSL_CA;
|
||||
else if( strcmp( q, "email_ca" ) == 0 )
|
||||
opt.ns_cert_type |= NS_CERT_TYPE_EMAIL_CA;
|
||||
else if( strcmp( q, "object_signing_ca" ) == 0 )
|
||||
opt.ns_cert_type |= NS_CERT_TYPE_OBJECT_SIGNING_CA;
|
||||
else
|
||||
goto usage;
|
||||
|
||||
q = r;
|
||||
}
|
||||
}
|
||||
else
|
||||
goto usage;
|
||||
}
|
||||
|
||||
// Parse serial to MPI
|
||||
//
|
||||
if( ( ret = mpi_read_string( &serial, 10, opt.serial ) ) != 0 )
|
||||
{
|
||||
#ifdef POLARSSL_ERROR_C
|
||||
error_strerror( ret, buf, 1024 );
|
||||
#endif
|
||||
printf( " failed\n ! mpi_read_string returned -0x%02x - %s\n\n", -ret, buf );
|
||||
goto exit;
|
||||
}
|
||||
|
||||
/*
|
||||
if( opt.key_usage )
|
||||
x509write_csr_set_key_usage( &req, opt.key_usage );
|
||||
|
||||
if( opt.ns_cert_type )
|
||||
x509write_csr_set_ns_cert_type( &req, opt.ns_cert_type );
|
||||
*/
|
||||
/*
|
||||
* 1.0. Check the names for validity
|
||||
*/
|
||||
if( ( ret = x509write_crt_set_subject_name( &crt, opt.subject_name ) ) != 0 )
|
||||
{
|
||||
#ifdef POLARSSL_ERROR_C
|
||||
error_strerror( ret, buf, 1024 );
|
||||
#endif
|
||||
printf( " failed\n ! x509write_crt_set_subject_name returned -0x%02x - %s\n\n", -ret, buf );
|
||||
goto exit;
|
||||
}
|
||||
|
||||
if( ( ret = x509write_crt_set_issuer_name( &crt, opt.issuer_name ) ) != 0 )
|
||||
{
|
||||
#ifdef POLARSSL_ERROR_C
|
||||
error_strerror( ret, buf, 1024 );
|
||||
#endif
|
||||
printf( " failed\n ! x509write_crt_set_issuer_name returned -0x%02x - %s\n\n", -ret, buf );
|
||||
goto exit;
|
||||
}
|
||||
|
||||
/*
|
||||
* 1.1. Load the keys
|
||||
*/
|
||||
printf( "\n . Loading the subject key ..." );
|
||||
fflush( stdout );
|
||||
|
||||
ret = x509parse_keyfile_rsa( &subject_rsa, opt.subject_key, opt.subject_pwd );
|
||||
|
||||
if( ret != 0 )
|
||||
{
|
||||
#ifdef POLARSSL_ERROR_C
|
||||
error_strerror( ret, buf, 1024 );
|
||||
#endif
|
||||
printf( " failed\n ! x509parse_keyfile_rsa returned -0x%02x - %s\n\n", -ret, buf );
|
||||
goto exit;
|
||||
}
|
||||
|
||||
x509write_crt_set_subject_key( &crt, &subject_rsa );
|
||||
|
||||
printf( " ok\n" );
|
||||
|
||||
printf( " . Loading the issuer key ..." );
|
||||
fflush( stdout );
|
||||
|
||||
ret = x509parse_keyfile_rsa( &issuer_rsa, opt.issuer_key, opt.issuer_pwd );
|
||||
|
||||
if( ret != 0 )
|
||||
{
|
||||
#ifdef POLARSSL_ERROR_C
|
||||
error_strerror( ret, buf, 1024 );
|
||||
#endif
|
||||
printf( " failed\n ! x509parse_keyfile_rsa returned -x%02x - %s\n\n", -ret, buf );
|
||||
goto exit;
|
||||
}
|
||||
|
||||
x509write_crt_set_issuer_key( &crt, &issuer_rsa );
|
||||
|
||||
printf( " ok\n" );
|
||||
|
||||
printf( " . Setting certificate values ..." );
|
||||
fflush( stdout );
|
||||
|
||||
ret = x509write_crt_set_serial( &crt, &serial );
|
||||
if( ret != 0 )
|
||||
{
|
||||
#ifdef POLARSSL_ERROR_C
|
||||
error_strerror( ret, buf, 1024 );
|
||||
#endif
|
||||
printf( " failed\n ! x509write_crt_set_serial returned -0x%02x - %s\n\n", -ret, buf );
|
||||
goto exit;
|
||||
}
|
||||
|
||||
ret = x509write_crt_set_validity( &crt, opt.not_before, opt.not_after );
|
||||
if( ret != 0 )
|
||||
{
|
||||
#ifdef POLARSSL_ERROR_C
|
||||
error_strerror( ret, buf, 1024 );
|
||||
#endif
|
||||
printf( " failed\n ! x509write_crt_set_validity returned -0x%02x - %s\n\n", -ret, buf );
|
||||
goto exit;
|
||||
}
|
||||
|
||||
printf( " ok\n" );
|
||||
|
||||
/*
|
||||
* 1.2. Writing the request
|
||||
*/
|
||||
printf( " . Writing the certificate..." );
|
||||
fflush( stdout );
|
||||
|
||||
if( ( ret = write_certificate( &crt, opt.output_file ) ) != 0 )
|
||||
{
|
||||
#ifdef POLARSSL_ERROR_C
|
||||
error_strerror( ret, buf, 1024 );
|
||||
#endif
|
||||
printf( " failed\n ! write_certifcate -0x%02x - %s\n\n", -ret, buf );
|
||||
goto exit;
|
||||
}
|
||||
|
||||
printf( " ok\n" );
|
||||
|
||||
exit:
|
||||
x509write_crt_free( &crt );
|
||||
rsa_free( &subject_rsa );
|
||||
rsa_free( &issuer_rsa );
|
||||
mpi_free( &serial );
|
||||
|
||||
#if defined(_WIN32)
|
||||
printf( " + Press Enter to exit this program.\n" );
|
||||
fflush( stdout ); getchar();
|
||||
#endif
|
||||
|
||||
return( ret );
|
||||
}
|
||||
#endif /* POLARSSL_BIGNUM_C && POLARSSL_RSA_C &&
|
||||
POLARSSet_serial_X509_WRITE_C && POLARSSL_FS_IO */
|
||||
Loading…
Reference in New Issue
Block a user