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authormarha <marha@users.sourceforge.net>2015-06-15 20:18:50 +0200
committerMike DePaulo <mikedep333@gmail.com>2015-06-22 01:16:46 -0400
commit36da4a2e0e43928a29ac2ee5c55bf681e90e2f42 (patch)
tree92633e1022d705c72d0f97315891e719648dd17e /openssl/crypto/rsa/rsa_pmeth.c
parentbec4be4c48239613ed1c704ae71bf08754eef711 (diff)
downloadvcxsrv-release/external-1.17.0.0-x.tar.gz
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Update to openssl-1.0.2crelease/external-1.17.0.0-x
Diffstat (limited to 'openssl/crypto/rsa/rsa_pmeth.c')
-rw-r--r--openssl/crypto/rsa/rsa_pmeth.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/openssl/crypto/rsa/rsa_pmeth.c b/openssl/crypto/rsa/rsa_pmeth.c
index ddda0ddc4..203635595 100644
--- a/openssl/crypto/rsa/rsa_pmeth.c
+++ b/openssl/crypto/rsa/rsa_pmeth.c
@@ -254,8 +254,14 @@ static int pkey_rsa_sign(EVP_PKEY_CTX *ctx, unsigned char *sig,
return ret;
ret = sltmp;
} else if (rctx->pad_mode == RSA_X931_PADDING) {
- if (!setup_tbuf(rctx, ctx))
+ if ((size_t)EVP_PKEY_size(ctx->pkey) < tbslen + 1) {
+ RSAerr(RSA_F_PKEY_RSA_SIGN, RSA_R_KEY_SIZE_TOO_SMALL);
+ return -1;
+ }
+ if (!setup_tbuf(rctx, ctx)) {
+ RSAerr(RSA_F_PKEY_RSA_SIGN, ERR_R_MALLOC_FAILURE);
return -1;
+ }
memcpy(rctx->tbuf, tbs, tbslen);
rctx->tbuf[tbslen] = RSA_X931_hash_id(EVP_MD_type(rctx->md));
ret = RSA_private_encrypt(tbslen + 1, rctx->tbuf,