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Fix SSLv3 handling of SHA-384 suites

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Fixes memory corruption, introduced in
a5bdfcd (Relax some SHA2 ciphersuite's version requirements)
This commit is contained in:
Manuel Pégourié-Gonnard 2013-12-17 10:17:08 +01:00
parent e1b665e1aa
commit c72ac7c3ef
2 changed files with 4 additions and 2 deletions
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4
include/polarssl/ssl.h
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@ -471,8 +471,8 @@ struct _ssl_transform
#if defined(POLARSSL_SSL_PROTO_SSL3)
/* Needed only for SSL v3.0 secret */
unsigned char mac_enc[32]; /*!< SSL v3.0 secret (enc) */
unsigned char mac_dec[32]; /*!< SSL v3.0 secret (dec) */
unsigned char mac_enc[48]; /*!< SSL v3.0 secret (enc) */
unsigned char mac_dec[48]; /*!< SSL v3.0 secret (dec) */
#endif /* POLARSSL_SSL_PROTO_SSL3 */
md_context_t md_ctx_enc; /*!< MAC (encryption) */

2
library/ssl_tls.c
View file

@ -941,6 +941,8 @@ static void ssl_mac( md_context_t *md_ctx, unsigned char *secret,
padlen = 40;
else if( md_type == POLARSSL_MD_SHA256 )
padlen = 32;
else if( md_type == POLARSSL_MD_SHA384 )
padlen = 16;
memcpy( header, ctr, 8 );
header[ 8] = (unsigned char) type;