X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=crypto%2Fpem%2Fpem_seal.c;h=ae4598d67408947c889f2d8a3806f2825eb98798;hb=7b3e11c54466f1da8b707c932e308d345fd61101;hp=56e08abd705373541cb0e031a8f500ea0f68c13c;hpb=4579924b7e55fccc7013e6de196f2e2ab175ce39;p=oweals%2Fopenssl.git

diff --git a/crypto/pem/pem_seal.c b/crypto/pem/pem_seal.c
index 56e08abd70..ae4598d674 100644
--- a/crypto/pem/pem_seal.c
+++ b/crypto/pem/pem_seal.c
@@ -56,6 +56,7 @@
  * [including the GNU Public Licence.]
  */
 
+#include <openssl/opensslconf.h>	/* for OPENSSL_NO_RSA */
 #ifndef OPENSSL_NO_RSA
 #include <stdio.h>
 #include "cryptlib.h"
@@ -64,6 +65,7 @@
 #include <openssl/objects.h>
 #include <openssl/x509.h>
 #include <openssl/pem.h>
+#include <openssl/rsa.h>
 
 int PEM_SealInit(PEM_ENCODE_SEAL_CTX *ctx, EVP_CIPHER *type, EVP_MD *md_type,
 	     unsigned char **ek, int *ekl, unsigned char *iv, EVP_PKEY **pubk,
@@ -94,11 +96,12 @@ int PEM_SealInit(PEM_ENCODE_SEAL_CTX *ctx, EVP_CIPHER *type, EVP_MD *md_type,
 	EVP_EncodeInit(&ctx->encode);
 
 	EVP_MD_CTX_init(&ctx->md);
-	EVP_SignInit(&ctx->md,md_type);
+	if (!EVP_SignInit(&ctx->md,md_type))
+		goto err;
 
 	EVP_CIPHER_CTX_init(&ctx->cipher);
 	ret=EVP_SealInit(&ctx->cipher,type,ek,ekl,iv,pubk,npubk);
-	if (!ret) goto err;
+	if (ret <= 0) goto err;
 
 	/* base64 encode the keys */
 	for (i=0; i<npubk; i++)
@@ -116,14 +119,15 @@ err:
 	return(ret);
 	}
 
-void PEM_SealUpdate(PEM_ENCODE_SEAL_CTX *ctx, unsigned char *out, int *outl,
+int PEM_SealUpdate(PEM_ENCODE_SEAL_CTX *ctx, unsigned char *out, int *outl,
 	     unsigned char *in, int inl)
 	{
 	unsigned char buffer[1600];
 	int i,j;
 
 	*outl=0;
-	EVP_SignUpdate(&ctx->md,in,inl);
+	if (!EVP_SignUpdate(&ctx->md,in,inl))
+		return 0;
 	for (;;)
 		{
 		if (inl <= 0) break;
@@ -131,13 +135,15 @@ void PEM_SealUpdate(PEM_ENCODE_SEAL_CTX *ctx, unsigned char *out, int *outl,
 			i=1200;
 		else
 			i=inl;
-		EVP_EncryptUpdate(&ctx->cipher,buffer,&j,in,i);
+		if (!EVP_EncryptUpdate(&ctx->cipher,buffer,&j,in,i))
+			return 0;
 		EVP_EncodeUpdate(&ctx->encode,out,&j,buffer,j);
 		*outl+=j;
 		out+=j;
 		in+=i;
 		inl-=i;
 		}
+	return 1;
 	}
 
 int PEM_SealFinal(PEM_ENCODE_SEAL_CTX *ctx, unsigned char *sig, int *sigl,
@@ -161,7 +167,8 @@ int PEM_SealFinal(PEM_ENCODE_SEAL_CTX *ctx, unsigned char *sig, int *sigl,
 		goto err;
 		}
 
-	EVP_EncryptFinal_ex(&ctx->cipher,s,(int *)&i);
+	if (!EVP_EncryptFinal_ex(&ctx->cipher,s,(int *)&i))
+		goto err;
 	EVP_EncodeUpdate(&ctx->encode,out,&j,s,i);
 	*outl=j;
 	out+=j;