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Fix hmac computation for DTLS

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Manuel Pégourié-Gonnard 2014-02-18 09:43:50 +01:00 • committed by Paul Bakker
parent 5afb167e2c
commit f302fb52e1
1 changed files with 6 additions and 2 deletions
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8
library/ssl_tls.c
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@ -1067,7 +1067,9 @@ static int ssl_encrypt_buf( ssl_context *ssl )
defined(POLARSSL_SSL_PROTO_TLS1_2) defined(POLARSSL_SSL_PROTO_TLS1_2)
if( ssl->minor_ver >= SSL_MINOR_VERSION_1 ) if( ssl->minor_ver >= SSL_MINOR_VERSION_1 )
{ {
md_hmac_update( &ssl->transform_out->md_ctx_enc, ssl->out_buf, 13 ); md_hmac_update( &ssl->transform_out->md_ctx_enc, ssl->out_ctr, 8 );
md_hmac_update( &ssl->transform_out->md_ctx_enc, ssl->out_hdr, 3 );
md_hmac_update( &ssl->transform_out->md_ctx_enc, ssl->out_len, 2 );
md_hmac_update( &ssl->transform_out->md_ctx_enc, md_hmac_update( &ssl->transform_out->md_ctx_enc,
ssl->out_msg, ssl->out_msglen ); ssl->out_msg, ssl->out_msglen );
md_hmac_finish( &ssl->transform_out->md_ctx_enc, md_hmac_finish( &ssl->transform_out->md_ctx_enc,
@ -1643,7 +1645,9 @@ static int ssl_decrypt_buf( ssl_context *ssl )
extra_run &= correct * 0xFF; extra_run &= correct * 0xFF;
md_hmac_update( &ssl->transform_in->md_ctx_dec, ssl->in_buf, 13 ); md_hmac_update( &ssl->transform_in->md_ctx_dec, ssl->in_ctr, 8 );
md_hmac_update( &ssl->transform_in->md_ctx_dec, ssl->in_hdr, 3 );
md_hmac_update( &ssl->transform_in->md_ctx_dec, ssl->in_len, 2 );
md_hmac_update( &ssl->transform_in->md_ctx_dec, ssl->in_msg, md_hmac_update( &ssl->transform_in->md_ctx_dec, ssl->in_msg,
ssl->in_msglen ); ssl->in_msglen );
md_hmac_finish( &ssl->transform_in->md_ctx_dec, md_hmac_finish( &ssl->transform_in->md_ctx_dec,