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-rw-r--r--apps/enc.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/apps/enc.c b/apps/enc.c
index 5c2cf7a4acf3..7b7c70b132d7 100644
--- a/apps/enc.c
+++ b/apps/enc.c
@@ -548,9 +548,14 @@ int MAIN(int argc, char **argv)
else
OPENSSL_cleanse(str, strlen(str));
}
- if ((hiv != NULL) && !set_hex(hiv, iv, sizeof iv)) {
- BIO_printf(bio_err, "invalid hex iv value\n");
- goto end;
+ if (hiv != NULL) {
+ int siz = EVP_CIPHER_iv_length(cipher);
+ if (siz == 0) {
+ BIO_printf(bio_err, "warning: iv not use by this cipher\n");
+ } else if (!set_hex(hiv, iv, sizeof iv)) {
+ BIO_printf(bio_err, "invalid hex iv value\n");
+ goto end;
+ }
}
if ((hiv == NULL) && (str == NULL)
&& EVP_CIPHER_iv_length(cipher) != 0) {
@@ -562,7 +567,7 @@ int MAIN(int argc, char **argv)
BIO_printf(bio_err, "iv undefined\n");
goto end;
}
- if ((hkey != NULL) && !set_hex(hkey, key, sizeof key)) {
+ if ((hkey != NULL) && !set_hex(hkey, key, EVP_CIPHER_key_length(cipher))) {
BIO_printf(bio_err, "invalid hex key value\n");
goto end;
}