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COVA10663: more mbedtls_mpi_write_binary return check instances

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This commit is contained in:
Andy Green 2019-07-13 12:04:48 -07:00
parent abcaefc1ff
commit fdeadbfdef
1 changed files with 4 additions and 2 deletions
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6
lib/tls/mbedtls/lws-genrsa.c
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@ -442,10 +442,12 @@ lws_genrsa_render_pkey_asn1(struct lws_genrsa_ctx *ctx, int _private,
if (p + m > end)
return -1;
mbedtls_mpi_write_binary(mpi[n], p, m);
if (mbedtls_mpi_write_binary(mpi[n], p, m))
return -1;
if (p[0] & 0x80) {
p[0] = 0x00;
mbedtls_mpi_write_binary(mpi[n], &p[1], m);
if (mbedtls_mpi_write_binary(mpi[n], &p[1], m))
return -1;
m++;
}
if (m < 0x7f)