Fix sample code

[openssl.git] / doc / man3 / EVP_EncryptInit.pod

diff --git a/doc/man3/EVP_EncryptInit.pod b/doc/man3/EVP_EncryptInit.pod
index bf93a2b6d22d740de64ebb6ba9508d7983e9e36e..66e1ffb688ec8325b536297237b05b89d6b4f5ea 100644 (file)
--- a/doc/man3/EVP_EncryptInit.pod
+++ b/doc/man3/EVP_EncryptInit.pod
@@ -45,40 +45,34 @@ EVP_chacha20, EVP_chacha20_poly1305 - EVP cipher routines
  void EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *ctx);
 
  int EVP_EncryptInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
-         ENGINE *impl, unsigned char *key, unsigned char *iv);
+                        ENGINE *impl, unsigned char *key, unsigned char *iv);
  int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
-         int *outl, unsigned char *in, int inl);
- int EVP_EncryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out,
-         int *outl);
+                       int *outl, unsigned char *in, int inl);
+ int EVP_EncryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
 
  int EVP_DecryptInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
-         ENGINE *impl, unsigned char *key, unsigned char *iv);
+                        ENGINE *impl, unsigned char *key, unsigned char *iv);
  int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
-         int *outl, unsigned char *in, int inl);
- int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm,
-         int *outl);
+                       int *outl, unsigned char *in, int inl);
+ int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
 
  int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
-         ENGINE *impl, unsigned char *key, unsigned char *iv, int enc);
+                       ENGINE *impl, unsigned char *key, unsigned char *iv, int enc);
  int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
-         int *outl, unsigned char *in, int inl);
- int EVP_CipherFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm,
-         int *outl);
+                      int *outl, unsigned char *in, int inl);
+ int EVP_CipherFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
 
  int EVP_EncryptInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
-         unsigned char *key, unsigned char *iv);
- int EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out,
-         int *outl);
+                     unsigned char *key, unsigned char *iv);
+ int EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
 
  int EVP_DecryptInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
-         unsigned char *key, unsigned char *iv);
- int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm,
-         int *outl);
+                     unsigned char *key, unsigned char *iv);
+ int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
 
  int EVP_CipherInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
-         unsigned char *key, unsigned char *iv, int enc);
- int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm,
-         int *outl);
+                    unsigned char *key, unsigned char *iv, int enc);
+ int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
 
  int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *x, int padding);
  int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen);
@@ -558,6 +552,7 @@ Encrypt a string using IDEA:
 
      if (!EVP_EncryptUpdate(ctx, outbuf, &outlen, intext, strlen(intext))) {
          /* Error */
+         EVP_CIPHER_CTX_free(ctx);
          return 0;
      }
      /*
@@ -566,6 +561,7 @@ Encrypt a string using IDEA:
       */
      if (!EVP_EncryptFinal_ex(ctx, outbuf + outlen, &tmplen)) {
          /* Error */
+         EVP_CIPHER_CTX_free(ctx);
          return 0;
      }
      outlen += tmplen;
@@ -577,6 +573,10 @@ Encrypt a string using IDEA:
       * NULs.
       */
      out = fopen(outfile, "wb");
+     if (out == NULL) {
+         /* Error */
+         return 0;
+     }
      fwrite(outbuf, 1, outlen, out);
      fclose(out);
      return 1;