C++ MBEDTLS_ASN1_CHK_ADD函数代码示例

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本文整理汇总了C++中MBEDTLS_ASN1_CHK_ADD函数的典型用法代码示例。如果您正苦于以下问题：C++ MBEDTLS_ASN1_CHK_ADD函数的具体用法？C++ MBEDTLS_ASN1_CHK_ADD怎么用？C++ MBEDTLS_ASN1_CHK_ADD使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了MBEDTLS_ASN1_CHK_ADD函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: mbedtls_asn1_write_mpi

int mbedtls_asn1_write_mpi( unsigned char **p, unsigned char *start, const mbedtls_mpi *X )
{
    int ret;
    size_t len = 0;

    // Write the MPI
    //
    len = mbedtls_mpi_size( X );

    if( *p < start || (size_t)( *p - start ) < len )
        return( MBEDTLS_ERR_ASN1_BUF_TOO_SMALL );

    (*p) -= len;
    MBEDTLS_MPI_CHK( mbedtls_mpi_write_binary( X, *p, len ) );

    // DER format assumes 2s complement for numbers, so the leftmost bit
    // should be 0 for positive numbers and 1 for negative numbers.
    //
    if( X->s ==1 && **p & 0x80 )
    {
        if( *p - start < 1 )
            return( MBEDTLS_ERR_ASN1_BUF_TOO_SMALL );

        *--(*p) = 0x00;
        len += 1;
    }

    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( p, start, len ) );
    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( p, start, MBEDTLS_ASN1_INTEGER ) );

    ret = (int) len;

cleanup:
    return( ret );
}

开发者ID:93i，项目名称:godot，代码行数:35，代码来源:asn1write.c

示例2: mbedtls_asn1_write_bitstring

int mbedtls_asn1_write_bitstring( unsigned char **p, unsigned char *start,
                          const unsigned char *buf, size_t bits )
{
    int ret;
    size_t len = 0, size;

    size = ( bits / 8 ) + ( ( bits % 8 ) ? 1 : 0 );

    // Calculate byte length
    //
    if( *p < start || (size_t)( *p - start ) < size + 1 )
        return( MBEDTLS_ERR_ASN1_BUF_TOO_SMALL );

    len = size + 1;
    (*p) -= size;
    memcpy( *p, buf, size );

    // Write unused bits
    //
    *--(*p) = (unsigned char) (size * 8 - bits);

    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( p, start, len ) );
    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( p, start, MBEDTLS_ASN1_BIT_STRING ) );

    return( (int) len );
}

开发者ID:93i，项目名称:godot，代码行数:26，代码来源:asn1write.c

示例3: mbedtls_x509write_crt_set_authority_key_identifier

int mbedtls_x509write_crt_set_authority_key_identifier( mbedtls_x509write_cert *ctx )
{
    int ret;
    unsigned char buf[MBEDTLS_MPI_MAX_SIZE * 2 + 20]; /* tag, length + 2xMPI */
    unsigned char *c = buf + sizeof(buf);
    size_t len = 0;

    memset( buf, 0, sizeof(buf) );
    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_pk_write_pubkey( &c, buf, ctx->issuer_key ) );

    mbedtls_sha1( buf + sizeof(buf) - len, len, buf + sizeof(buf) - 20 );
    c = buf + sizeof(buf) - 20;
    len = 20;

    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, buf, len ) );
    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( &c, buf, MBEDTLS_ASN1_CONTEXT_SPECIFIC | 0 ) );

    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, buf, len ) );
    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( &c, buf, MBEDTLS_ASN1_CONSTRUCTED |
                                                MBEDTLS_ASN1_SEQUENCE ) );

    return mbedtls_x509write_crt_set_extension( ctx, MBEDTLS_OID_AUTHORITY_KEY_IDENTIFIER,
                                   MBEDTLS_OID_SIZE( MBEDTLS_OID_AUTHORITY_KEY_IDENTIFIER ),
                                   0, buf + sizeof(buf) - len, len );
}

开发者ID:Archcady，项目名称:mbed-os，代码行数:25，代码来源:x509write_crt.c

示例4: mbedtls_x509write_crt_set_basic_constraints

int mbedtls_x509write_crt_set_basic_constraints( mbedtls_x509write_cert *ctx,
                                         int is_ca, int max_pathlen )
{
    int ret;
    unsigned char buf[9];
    unsigned char *c = buf + sizeof(buf);
    size_t len = 0;

    memset( buf, 0, sizeof(buf) );

    if( is_ca && max_pathlen > 127 )
        return( MBEDTLS_ERR_X509_BAD_INPUT_DATA );

    if( is_ca )
    {
        if( max_pathlen >= 0 )
        {
            MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_int( &c, buf, max_pathlen ) );
        }
        MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_bool( &c, buf, 1 ) );
    }

    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, buf, len ) );
    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( &c, buf, MBEDTLS_ASN1_CONSTRUCTED |
                                                MBEDTLS_ASN1_SEQUENCE ) );

    return mbedtls_x509write_crt_set_extension( ctx, MBEDTLS_OID_BASIC_CONSTRAINTS,
                                        MBEDTLS_OID_SIZE( MBEDTLS_OID_BASIC_CONSTRAINTS ),
                                        0, buf + sizeof(buf) - len, len );
}

开发者ID:Archcady，项目名称:mbed-os，代码行数:30，代码来源:x509write_crt.c

示例5: mbedtls_asn1_write_int

int mbedtls_asn1_write_int( unsigned char **p, unsigned char *start, int val )
{
    int ret;
    size_t len = 0;

    if( *p - start < 1 )
        return( MBEDTLS_ERR_ASN1_BUF_TOO_SMALL );

    len += 1;
    *--(*p) = val;

    if( val > 0 && **p & 0x80 )
    {
        if( *p - start < 1 )
            return( MBEDTLS_ERR_ASN1_BUF_TOO_SMALL );

        *--(*p) = 0x00;
        len += 1;
    }

    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( p, start, len ) );
    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( p, start, MBEDTLS_ASN1_INTEGER ) );

    return( (int) len );
}

开发者ID:93i，项目名称:godot，代码行数:25，代码来源:asn1write.c

示例6: mbedtls_asn1_write_bitstring

int mbedtls_asn1_write_bitstring( unsigned char **p, unsigned char *start,
                          const unsigned char *buf, size_t bits )
{
    int ret;
    size_t len = 0;
    size_t unused_bits, byte_len;

    byte_len = ( bits + 7 ) / 8;
    unused_bits = ( byte_len * 8 ) - bits;

    if( *p < start || (size_t)( *p - start ) < byte_len + 1 )
        return( MBEDTLS_ERR_ASN1_BUF_TOO_SMALL );

    len = byte_len + 1;

    /* Write the bitstring. Ensure the unused bits are zeroed */
    if( byte_len > 0 )
    {
        byte_len--;
        *--( *p ) = buf[byte_len] & ~( ( 0x1 << unused_bits ) - 1 );
        ( *p ) -= byte_len;
        memcpy( *p, buf, byte_len );
    }

    /* Write unused bits */
    *--( *p ) = (unsigned char)unused_bits;

    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( p, start, len ) );
    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( p, start, MBEDTLS_ASN1_BIT_STRING ) );

    return( (int) len );
}

开发者ID:Moteesh，项目名称:reactos，代码行数:32，代码来源:asn1write.c

示例7: mbedtls_asn1_write_int

int mbedtls_asn1_write_int( unsigned char **p, unsigned char *start, int val )
{
    int ret;
    size_t len = 0;

    // DER format assumes 2s complement for numbers, so the leftmost bit
    // should be 0 for positive numbers and 1 for negative numbers.
    //
    if( *p - start < 1 )
        return( MBEDTLS_ERR_ASN1_BUF_TOO_SMALL );

    len += 1;
    *--(*p) = val;

    if( val > 0 && **p & 0x80 )
    {
        if( *p - start < 1 )
            return( MBEDTLS_ERR_ASN1_BUF_TOO_SMALL );

        *--(*p) = 0x00;
        len += 1;
    }

    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( p, start, len ) );
    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( p, start, MBEDTLS_ASN1_INTEGER ) );

    return( (int) len );
}

开发者ID:Moteesh，项目名称:reactos，代码行数:28，代码来源:asn1write.c

示例8: mbedtls_x509_write_sig

int mbedtls_x509_write_sig( unsigned char **p, unsigned char *start,
                    const char *oid, size_t oid_len,
                    unsigned char *sig, size_t size )
{
    int ret;
    size_t len = 0;

    if( *p - start < (int) size + 1 )
        return( MBEDTLS_ERR_ASN1_BUF_TOO_SMALL );

    len = size;
    (*p) -= len;
    memcpy( *p, sig, len );

    *--(*p) = 0;
    len += 1;

    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( p, start, len ) );
    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( p, start, MBEDTLS_ASN1_BIT_STRING ) );

    // Write OID
    //
    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_algorithm_identifier( p, start, oid,
                                                        oid_len, 0 ) );

    return( (int) len );
}

开发者ID:8bitgeek，项目名称:Espruino，代码行数:27，代码来源:x509_create.c

示例9: x509_write_extension

static int x509_write_extension( unsigned char **p, unsigned char *start,
                                 mbedtls_asn1_named_data *ext )
{
    int ret;
    size_t len = 0;

    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_raw_buffer( p, start, ext->val.p + 1,
                                              ext->val.len - 1 ) );
    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( p, start, ext->val.len - 1 ) );
    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( p, start, MBEDTLS_ASN1_OCTET_STRING ) );

    if( ext->val.p[0] != 0 )
    {
        MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_bool( p, start, 1 ) );
    }

    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_raw_buffer( p, start, ext->oid.p,
                                              ext->oid.len ) );
    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( p, start, ext->oid.len ) );
    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( p, start, MBEDTLS_ASN1_OID ) );

    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( p, start, len ) );
    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( p, start, MBEDTLS_ASN1_CONSTRUCTED |
                                                 MBEDTLS_ASN1_SEQUENCE ) );

    return( (int) len );
}

开发者ID:8bitgeek，项目名称:Espruino，代码行数:27，代码来源:x509_create.c

示例10: mbedtls_asn1_write_null

int mbedtls_asn1_write_null( unsigned char **p, unsigned char *start )
{
    int ret;
    size_t len = 0;

    // Write NULL
    //
    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( p, start, 0) );
    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( p, start, MBEDTLS_ASN1_NULL ) );

    return( (int) len );
}

开发者ID:93i，项目名称:godot，代码行数:12，代码来源:asn1write.c

示例11: mbedtls_asn1_write_oid

int mbedtls_asn1_write_oid( unsigned char **p, unsigned char *start,
                    const char *oid, size_t oid_len )
{
    int ret;
    size_t len = 0;

    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_raw_buffer( p, start,
                                  (const unsigned char *) oid, oid_len ) );
    MBEDTLS_ASN1_CHK_ADD( len , mbedtls_asn1_write_len( p, start, len ) );
    MBEDTLS_ASN1_CHK_ADD( len , mbedtls_asn1_write_tag( p, start, MBEDTLS_ASN1_OID ) );

    return( (int) len );
}

开发者ID:93i，项目名称:godot，代码行数:13，代码来源:asn1write.c

示例12: mbedtls_asn1_write_octet_string

int mbedtls_asn1_write_octet_string( unsigned char **p, unsigned char *start,
                             const unsigned char *buf, size_t size )
{
    int ret;
    size_t len = 0;

    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_raw_buffer( p, start, buf, size ) );

    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( p, start, len ) );
    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( p, start, MBEDTLS_ASN1_OCTET_STRING ) );

    return( (int) len );
}

开发者ID:93i，项目名称:godot，代码行数:13，代码来源:asn1write.c

示例13: mbedtls_asn1_write_ia5_string

int mbedtls_asn1_write_ia5_string( unsigned char **p, unsigned char *start,
                           const char *text, size_t text_len )
{
    int ret;
    size_t len = 0;

    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_raw_buffer( p, start,
                  (const unsigned char *) text, text_len ) );

    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( p, start, len ) );
    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( p, start, MBEDTLS_ASN1_IA5_STRING ) );

    return( (int) len );
}

开发者ID:93i，项目名称:godot，代码行数:14，代码来源:asn1write.c

示例14: pk_write_rsa_pubkey

/*
 *  RSAPublicKey ::= SEQUENCE {
 *      modulus           INTEGER,  -- n
 *      publicExponent    INTEGER   -- e
 *  }
 */
static int pk_write_rsa_pubkey( unsigned char **p, unsigned char *start,
                                mbedtls_rsa_context *rsa )
{
    int ret;
    size_t len = 0;

    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_mpi( p, start, &rsa->E ) );
    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_mpi( p, start, &rsa->N ) );

    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( p, start, len ) );
    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( p, start, MBEDTLS_ASN1_CONSTRUCTED |
                          MBEDTLS_ASN1_SEQUENCE ) );

    return( (int) len );
}

开发者ID:Comojs，项目名称:comojs，代码行数:21，代码来源:pkwrite.c

示例15: mbedtls_asn1_write_bool

int mbedtls_asn1_write_bool( unsigned char **p, unsigned char *start, int boolean )
{
    int ret;
    size_t len = 0;

    if( *p - start < 1 )
        return( MBEDTLS_ERR_ASN1_BUF_TOO_SMALL );

    *--(*p) = (boolean) ? 255 : 0;
    len++;

    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( p, start, len ) );
    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( p, start, MBEDTLS_ASN1_BOOLEAN ) );

    return( (int) len );
}

开发者ID:93i，项目名称:godot，代码行数:16，代码来源:asn1write.c

示例16: mbedtls_x509_write_names

int mbedtls_x509_write_names( unsigned char **p, unsigned char *start,
                              mbedtls_asn1_named_data *first )
{
    int ret;
    size_t len = 0;
    mbedtls_asn1_named_data *cur = first;

    while( cur != NULL )
    {
        MBEDTLS_ASN1_CHK_ADD( len, x509_write_name( p, start, cur ) );
        cur = cur->next;
    }

    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( p, start, len ) );
    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( p, start, MBEDTLS_ASN1_CONSTRUCTED |
                                                 MBEDTLS_ASN1_SEQUENCE ) );

    return( (int) len );
}

开发者ID:ARMmbed，项目名称:mbedtls，代码行数:19，代码来源:x509_create.c

示例17: asn1_write_mpibuf

/*
 * Simultaneously convert and move raw MPI from the beginning of a buffer
 * to an ASN.1 MPI at the end of the buffer.
 * See also mbedtls_asn1_write_mpi().
 *
 * p: pointer to the end of the output buffer
 * start: start of the output buffer, and also of the mpi to write at the end
 * n_len: length of the mpi to read from start
 */
static int asn1_write_mpibuf( unsigned char **p, unsigned char *start,
                              size_t n_len )
{
    int ret;
    size_t len = 0;

    if( (size_t)( *p - start ) < n_len )
        return( MBEDTLS_ERR_ASN1_BUF_TOO_SMALL );

    len = n_len;
    *p -= len;
    memmove( *p, start, len );

    /* ASN.1 DER encoding requires minimal length, so skip leading 0s.
     * Neither r nor s should be 0, but as a failsafe measure, still detect
     * that rather than overflowing the buffer in case of a PSA error. */
    while( len > 0 && **p == 0x00 )
    {
        ++(*p);
        --len;
    }

    /* this is only reached if the signature was invalid */
    if( len == 0 )
        return( MBEDTLS_ERR_PK_HW_ACCEL_FAILED );

    /* if the msb is 1, ASN.1 requires that we prepend a 0.
     * Neither r nor s can be 0, so we can assume len > 0 at all times. */
    if( **p & 0x80 )
    {
        if( *p - start < 1 )
            return( MBEDTLS_ERR_ASN1_BUF_TOO_SMALL );

        *--(*p) = 0x00;
        len += 1;
    }

    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( p, start, len ) );
    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( p, start,
                                                MBEDTLS_ASN1_INTEGER ) );

    return( (int) len );
}

开发者ID:MarceloSalazar，项目名称:mbed-os，代码行数:52，代码来源:pk_wrap.c

示例18: ecdsa_signature_to_asn1

/*
 * Convert a signature (given by context) to ASN.1
 */
static int ecdsa_signature_to_asn1( const mbedtls_mpi *r, const mbedtls_mpi *s,
                                    unsigned char *sig, size_t *slen )
{
    int ret;
    unsigned char buf[MBEDTLS_ECDSA_MAX_LEN];
    unsigned char *p = buf + sizeof( buf );
    size_t len = 0;

    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_mpi( &p, buf, s ) );
    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_mpi( &p, buf, r ) );

    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &p, buf, len ) );
    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( &p, buf,
                                       MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) );

    memcpy( sig, p, len );
    *slen = len;

    return( 0 );
}

开发者ID:MarceloSalazar，项目名称:mbed-os，代码行数:23，代码来源:ecdsa.c

示例19: mbedtls_pk_write_pubkey

int mbedtls_pk_write_pubkey( unsigned char **p, unsigned char *start,
                             const mbedtls_pk_context *key )
{
    int ret;
    size_t len = 0;

#if defined(MBEDTLS_RSA_C)
    if( mbedtls_pk_get_type( key ) == MBEDTLS_PK_RSA )
        MBEDTLS_ASN1_CHK_ADD( len, pk_write_rsa_pubkey( p, start, mbedtls_pk_rsa( *key ) ) );
    else
#endif
#if defined(MBEDTLS_ECP_C)
        if( mbedtls_pk_get_type( key ) == MBEDTLS_PK_ECKEY )
            MBEDTLS_ASN1_CHK_ADD( len, pk_write_ec_pubkey( p, start, mbedtls_pk_ec( *key ) ) );
        else
#endif
            return( MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE );

    return( (int) len );
}

开发者ID:Comojs，项目名称:comojs，代码行数:20，代码来源:pkwrite.c

示例20: mbedtls_asn1_write_algorithm_identifier

int mbedtls_asn1_write_algorithm_identifier( unsigned char **p, unsigned char *start,
                                     const char *oid, size_t oid_len,
                                     size_t par_len )
{
    int ret;
    size_t len = 0;

    if( par_len == 0 )
        MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_null( p, start ) );
    else
        len += par_len;

    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_oid( p, start, oid, oid_len ) );

    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( p, start, len ) );
    MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( p, start,
                                       MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) );

    return( (int) len );
}

开发者ID:93i，项目名称:godot，代码行数:20，代码来源:asn1write.c

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