Try calling EVP_CIPHER_CTX_cleanup(&ctx) at the end...
--- Felix Dorner <[EMAIL PROTECTED]> wrote:
> Hi,
>
> the following code executes once, and does fine.
> Calling the function a
> second time gives a segfault during the call marked
> by "-->"
>
> unsigned char *encrypt_message(unsigned char
> *message, int inl, int *outl)
> {
> EVP_CIPHER_CTX ctx;
> EVP_CIPHER_CTX_init(&ctx);
> -->EVP_EncryptInit(&ctx, EVP_bf_ecb(), NULL,
> NULL);
> EVP_CIPHER_CTX_set_key_length(&ctx,
> SHA_DIGEST_LENGTH);
> EVP_EncryptInit(&ctx, NULL, k, NULL);
> char *ret;
> int tmp, ol;
> ol = 0;
> ret = (char *)malloc(inl +
> EVP_CIPHER_CTX_block_size(&ctx));
> EVP_EncryptUpdate(&ctx, &ret[ol], &tmp,
> message, inl);
> ol = tmp;
> EVP_EncryptFinal(&ctx, &ret[ol], &tmp);
> *outl = ol+tmp;
> return ret;
> }
>
>
> Anything obvious that might lead to the segfault?
>
> Thanks,
> Felix
>
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> http://www.openssl.org
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