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https://github.com/yuzu-emu/mbedtls.git
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Minor documentation improvements
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
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@ -97,7 +97,7 @@ extern "C" {
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/* Note: when adding a new curve:
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/* Note: when adding a new curve:
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* - Add it at the end of this enum, otherwise you'll break the ABI by
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* - Add it at the end of this enum, otherwise you'll break the ABI by
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* changing the numerical value for existing curves.
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* changing the numerical value for existing curves.
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* - Increment MBEDTLS_ECP_DP_MAX below.
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* - Increment MBEDTLS_ECP_DP_MAX below if needed.
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* - Add the corresponding MBEDTLS_ECP_DP_xxx_ENABLED macro definition to
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* - Add the corresponding MBEDTLS_ECP_DP_xxx_ENABLED macro definition to
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* config.h.
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* config.h.
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* - List the curve as a dependency of MBEDTLS_ECP_C and
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* - List the curve as a dependency of MBEDTLS_ECP_C and
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@ -3295,6 +3295,9 @@ cleanup:
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#if defined(MBEDTLS_SELF_TEST)
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#if defined(MBEDTLS_SELF_TEST)
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/* Adjust the exponent to be a valid private point for the specified curve.
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* This is sometimes necessary because we use a single set of exponents
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* for all curves but the validity of values depends on the curve. */
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static int self_test_adjust_exponent( const mbedtls_ecp_group *grp,
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static int self_test_adjust_exponent( const mbedtls_ecp_group *grp,
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mbedtls_mpi *m )
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mbedtls_mpi *m )
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{
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{
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@ -3328,11 +3331,13 @@ cleanup:
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return( ret );
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return( ret );
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}
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}
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/* Calculate R = m.P for each m in exponents. Check that the number of
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* basic operations doesn't depend on the value of m. */
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static int self_test_point( int verbose,
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static int self_test_point( int verbose,
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mbedtls_ecp_group *grp,
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mbedtls_ecp_group *grp,
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mbedtls_ecp_point *R,
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mbedtls_ecp_point *R,
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mbedtls_mpi *m,
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mbedtls_mpi *m,
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mbedtls_ecp_point *P,
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const mbedtls_ecp_point *P,
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const char *const *exponents,
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const char *const *exponents,
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size_t n_exponents )
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size_t n_exponents )
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{
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{
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@ -3407,6 +3412,9 @@ int mbedtls_ecp_self_test( int verbose )
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#if defined(MBEDTLS_ECP_MONTGOMERY_ENABLED)
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#if defined(MBEDTLS_ECP_MONTGOMERY_ENABLED)
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const char *m_exponents[] =
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const char *m_exponents[] =
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{
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{
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/* Valid private values for Curve25519. In a build with Curve448
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* but not Curve25519, they will be adjusted in
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* self_test_adjust_exponent(). */
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"4000000000000000000000000000000000000000000000000000000000000000",
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"4000000000000000000000000000000000000000000000000000000000000000",
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"5C3C3C3C3C3C3C3C3C3C3C3C3C3C3C3C3C3C3C3C3C3C3C3C3C3C3C3C3C3C3C30",
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"5C3C3C3C3C3C3C3C3C3C3C3C3C3C3C3C3C3C3C3C3C3C3C3C3C3C3C3C3C3C3C30",
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"5715ECCE24583F7A7023C24164390586842E816D7280A49EF6DF4EAE6B280BF8",
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"5715ECCE24583F7A7023C24164390586842E816D7280A49EF6DF4EAE6B280BF8",
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