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Move *_pemify() function to PEM module

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This commit is contained in:
Paul Bakker 2013-09-15 20:03:26 +02:00
parent 40ce79f1e6
commit 77e23fb0e0
8 changed files with 111 additions and 185 deletions
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63
library/pkwrite.c
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@ -40,8 +40,8 @@
#if defined(POLARSSL_ECDSA_C)
#include "polarssl/ecdsa.h"
#endif
#if defined(POLARSSL_BASE64_C)
#include "polarssl/base64.h"
#if defined(POLARSSL_PEM_C)
#include "polarssl/pem.h"
#endif
#if defined(POLARSSL_MEMORY_C)
@ -276,45 +276,7 @@ int pk_write_key_der( pk_context *key, unsigned char *buf, size_t size )
return( len );
}
#if defined(POLARSSL_BASE64_C)
static int pk_write_pemify( const char *begin_str, const char *end_str,
const unsigned char *der_data, size_t der_len,
unsigned char *buf, size_t size )
{
int ret;
unsigned char base_buf[4096];
unsigned char *c = base_buf, *p = buf;
size_t len = 0, olen = sizeof(base_buf);
if( ( ret = base64_encode( base_buf, &olen, der_data, der_len ) ) != 0 )
return( ret );
if( olen + strlen( begin_str ) + strlen( end_str ) +
olen / 64 > size )
{
return( POLARSSL_ERR_BASE64_BUFFER_TOO_SMALL );
}
memcpy( p, begin_str, strlen( begin_str ) );
p += strlen( begin_str );
while( olen )
{
len = ( olen > 64 ) ? 64 : olen;
memcpy( p, c, len );
olen -= len;
p += len;
c += len;
*p++ = '\n';
}
memcpy( p, end_str, strlen( end_str ) );
p += strlen( end_str );
*p = '\0';
return( 0 );
}
#if defined(POLARSSL_PEM_C)
#define PEM_BEGIN_PUBLIC_KEY "-----BEGIN PUBLIC KEY-----\n"
#define PEM_END_PUBLIC_KEY "-----END PUBLIC KEY-----\n"
@ -328,16 +290,17 @@ int pk_write_pubkey_pem( pk_context *key, unsigned char *buf, size_t size )
{
int ret;
unsigned char output_buf[4096];
size_t olen = 0;
if( ( ret = pk_write_pubkey_der( key, output_buf,
sizeof(output_buf) ) ) < 0 )
sizeof(output_buf) ) ) < 0 )
{
return( ret );
}
if( ( ret = pk_write_pemify( PEM_BEGIN_PUBLIC_KEY, PEM_END_PUBLIC_KEY,
if( ( ret = pem_write_buffer( PEM_BEGIN_PUBLIC_KEY, PEM_END_PUBLIC_KEY,
output_buf + sizeof(output_buf) - ret,
ret, buf, size ) ) != 0 )
ret, buf, size, &olen ) ) != 0 )
{
return( ret );
}
@ -350,12 +313,10 @@ int pk_write_key_pem( pk_context *key, unsigned char *buf, size_t size )
int ret;
unsigned char output_buf[4096];
char *begin, *end;
size_t olen = 0;
if( ( ret = pk_write_key_der( key, output_buf,
sizeof(output_buf) ) ) < 0 )
{
if( ( ret = pk_write_key_der( key, output_buf, sizeof(output_buf) ) ) < 0 )
return( ret );
}
#if defined(POLARSSL_RSA_C)
if( pk_get_type( key ) == POLARSSL_PK_RSA )
@ -375,15 +336,15 @@ int pk_write_key_pem( pk_context *key, unsigned char *buf, size_t size )
#endif
return( POLARSSL_ERR_PK_FEATURE_UNAVAILABLE );
if( ( ret = pk_write_pemify( begin, end,
if( ( ret = pem_write_buffer( begin, end,
output_buf + sizeof(output_buf) - ret,
ret, buf, size ) ) != 0 )
ret, buf, size, &olen ) ) != 0 )
{
return( ret );
}
return( 0 );
}
#endif /* POLARSSL_BASE64_C */
#endif /* POLARSSL_PEM_C */
#endif /* POLARSSL_PK_WRITE_C */