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Add signature algorithm supported check

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Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
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Jerry Yu
2022-01-19 17:43:22 +08:00
parent 7ddc38cedb
commit 1bab301c0d
3 changed files with 127 additions and 12 deletions
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2
library/ssl_tls.c
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@ -7503,6 +7503,8 @@ int mbedtls_ssl_write_sig_alg_ext( mbedtls_ssl_context *ssl, unsigned char *buf,
for( ; *sig_alg != MBEDTLS_TLS1_3_SIG_NONE; sig_alg++ )
{
if( ! mbedtls_ssl_sig_alg_is_supported( ssl, *sig_alg ) )
continue;
MBEDTLS_SSL_CHK_BUF_PTR( p, end, 2 );
MBEDTLS_PUT_UINT16_BE( *sig_alg, p, 0 );
p += 2;