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Added mechanism to provide alternative cipher / hash implementations

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All symmetric cipher algorithms and hash algorithms now include support
for a POLARSSL_XXX_ALT flag that prevents the definition of the
algorithm context structure and all 'core' functions.
(cherry picked from commit 4087c47043cb7b8b51e69f1de47ab6a2bccead3d)
This commit is contained in:
Paul Bakker 2013-06-24 19:20:35 +02:00
parent 28837ff2f4
commit 90995b5ce3
26 changed files with 327 additions and 33 deletions
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12
library/ssl_tls.c
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@ -2290,11 +2290,15 @@ static void ssl_calc_finished_ssl(
* SHA1( handshake + sender + master + pad1 ) )
*/
#if !defined(POLARSSL_MD5_ALT)
SSL_DEBUG_BUF( 4, "finished md5 state", (unsigned char *)
md5.state, sizeof( md5.state ) );
#endif
#if !defined(POLARSSL_SHA1_ALT)
SSL_DEBUG_BUF( 4, "finished sha1 state", (unsigned char *)
sha1.state, sizeof( sha1.state ) );
#endif
sender = ( from == SSL_IS_CLIENT ) ? "CLNT"
: "SRVR";
@ -2361,11 +2365,15 @@ static void ssl_calc_finished_tls(
* MD5( handshake ) + SHA1( handshake ) )[0..11]
*/
#if !defined(POLARSSL_MD5_ALT)
SSL_DEBUG_BUF( 4, "finished md5 state", (unsigned char *)
md5.state, sizeof( md5.state ) );
#endif
#if !defined(POLARSSL_SHA1_ALT)
SSL_DEBUG_BUF( 4, "finished sha1 state", (unsigned char *)
sha1.state, sizeof( sha1.state ) );
#endif
sender = ( from == SSL_IS_CLIENT )
? "client finished"
@ -2409,8 +2417,10 @@ static void ssl_calc_finished_tls_sha256(
* Hash( handshake ) )[0.11]
*/
#if !defined(POLARSSL_SHA2_ALT)
SSL_DEBUG_BUF( 4, "finished sha2 state", (unsigned char *)
sha2.state, sizeof( sha2.state ) );
#endif
sender = ( from == SSL_IS_CLIENT )
? "client finished"
@ -2453,8 +2463,10 @@ static void ssl_calc_finished_tls_sha384(
* Hash( handshake ) )[0.11]
*/
#if !defined(POLARSSL_SHA4_ALT)
SSL_DEBUG_BUF( 4, "finished sha4 state", (unsigned char *)
sha4.state, sizeof( sha4.state ) );
#endif
sender = ( from == SSL_IS_CLIENT )
? "client finished"