evp/e_des3.c: fix typo with potential integer overflow on 32-bit platforms.

Submitted by: Yuriy Kaminskiy
(cherry picked from commit 524b00c0da42b129ed8622dfb3f5eab9cc5d6617)

Resolved conflicts:

	crypto/evp/e_des3.c
(cherry picked from commit eb22b7ec7515b42a5865af7b2a1da232ce100e97)

diff --git a/crypto/evp/e_des3.c b/crypto/evp/e_des3.c
index 3232cfe024b2b3d671c431537bf669fe78cf4c17..c35370576a48ed3e74d481947d92c998792b3fc4 100644 (file)
--- a/crypto/evp/e_des3.c
+++ b/crypto/evp/e_des3.c
@@ -99,7 +99,7 @@ static int des_ede_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
 static int des_ede_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
                              const unsigned char *in, size_t inl)
 {
-       if (inl>=EVP_MAXCHUNK)
+       while (inl>=EVP_MAXCHUNK)
                {
                DES_ede3_ofb64_encrypt(in, out, (long)EVP_MAXCHUNK,
                               &data(ctx)->ks1, &data(ctx)->ks2, &data(ctx)->ks3,
@@ -130,7 +130,7 @@ static int des_ede_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
        printf("\n");
        }
 #endif    /* KSSL_DEBUG */
-       if (inl>=EVP_MAXCHUNK)
+       while (inl>=EVP_MAXCHUNK)
                {
                DES_ede3_cbc_encrypt(in, out, (long)EVP_MAXCHUNK,
                             &data(ctx)->ks1, &data(ctx)->ks2, &data(ctx)->ks3,
@@ -149,7 +149,7 @@ static int des_ede_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
 static int des_ede_cfb64_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
                              const unsigned char *in, size_t inl)
 {
-       if (inl>=EVP_MAXCHUNK)
+       while (inl>=EVP_MAXCHUNK)
                {
                DES_ede3_cfb64_encrypt(in, out, (long)EVP_MAXCHUNK, 
                               &data(ctx)->ks1, &data(ctx)->ks2, &data(ctx)->ks3,