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Debug: Add functions for ECDH contexts

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The SSL module accesses ECDH context members directly to print debug
information. This can't work with the new context, where we can't make
assumptions about the implementation of the context. This commit adds
new debug functions to complete the encapsulation of the ECDH context
and work around the problem.
This commit is contained in:
Janos Follath
2018-08-22 01:37:55 +01:00
parent 5a3e1bfda0
commit 948f4bedcc
2 changed files with 86 additions and 0 deletions
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50
library/debug.c
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@ -365,4 +365,54 @@ void mbedtls_debug_print_crt( const mbedtls_ssl_context *ssl, int level,
}
#endif /* MBEDTLS_X509_CRT_PARSE_C */
#if defined(MBEDTLS_ECDH_C)
static void mbedtls_debug_printf_ecdh_internal( const mbedtls_ssl_context *ssl,
int level, const char *file,
int line,
const mbedtls_ecdh_context *ecdh,
mbedtls_debug_ecdh_attr attr )
{
#if defined(MBEDTLS_ECDH_LEGACY_CONTEXT)
const mbedtls_ecdh_context* ctx = ecdh;
#else
const mbedtls_ecdh_context_mbed* ctx = &ecdh->ctx.mbed_ecdh;
#endif
switch( attr )
{
case MBEDTLS_DEBUG_ECDH_Q:
mbedtls_debug_print_ecp( ssl, level, file, line, "ECDH: Q",
&ctx->Q );
break;
case MBEDTLS_DEBUG_ECDH_QP:
mbedtls_debug_print_ecp( ssl, level, file, line, "ECDH: Qp",
&ctx->Qp );
break;
case MBEDTLS_DEBUG_ECDH_Z:
mbedtls_debug_print_mpi( ssl, level, file, line, "ECDH: z",
&ctx->z );
break;
default:
break;
}
}
void mbedtls_debug_printf_ecdh( const mbedtls_ssl_context *ssl, int level,
const char *file, int line,
const mbedtls_ecdh_context *ecdh,
mbedtls_debug_ecdh_attr attr )
{
#if defined(MBEDTLS_ECDH_LEGACY_CONTEXT)
mbedtls_debug_printf_ecdh_internal( ssl, level, file, line, ecdh, attr );
#else
switch( ecdh->var )
{
default:
mbedtls_debug_printf_ecdh_internal( ssl, level, file, line, ecdh,
attr );
}
#endif
}
#endif /* MBEDTLS_ECDH_C */
#endif /* MBEDTLS_DEBUG_C */