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| author | Dr. Stephen Henson <steve@openssl.org> | 2008-04-11 19:33:29 +0200 |
|---|---|---|
| committer | Dr. Stephen Henson <steve@openssl.org> | 2008-04-11 19:33:29 +0200 |
| commit | 47a6d388c71e5021a172520ef2fc04ffa9f706e7 (patch) | |
| tree | f17c49ee3c53895b9e4a6da53ce5b126b8fff071 /demos/cms | |
| parent | Fix for compression and updated CMS_final(). (diff) | |
| download | openssl-47a6d388c71e5021a172520ef2fc04ffa9f706e7.tar.xz openssl-47a6d388c71e5021a172520ef2fc04ffa9f706e7.zip | |
CMS compressed data examples.
Diffstat (limited to 'demos/cms')
| -rw-r--r-- | demos/cms/cms_comp.c | 61 | ||||
| -rw-r--r-- | demos/cms/cms_uncomp.c | 56 | ||||
| -rw-r--r-- | demos/cms/comp.txt | 22 |
3 files changed, 139 insertions, 0 deletions
diff --git a/demos/cms/cms_comp.c b/demos/cms/cms_comp.c new file mode 100644 index 0000000000..b7943e813b --- /dev/null +++ b/demos/cms/cms_comp.c @@ -0,0 +1,61 @@ +/* Simple S/MIME compress example */ +#include <openssl/pem.h> +#include <openssl/cms.h> +#include <openssl/err.h> + +int main(int argc, char **argv) + { + BIO *in = NULL, *out = NULL; + CMS_ContentInfo *cms = NULL; + int ret = 1; + + /* + * On OpenSSL 0.9.9 only: + * for streaming set CMS_STREAM + */ + int flags = CMS_STREAM; + + OpenSSL_add_all_algorithms(); + ERR_load_crypto_strings(); + + /* Open content being compressed */ + + in = BIO_new_file("comp.txt", "r"); + + if (!in) + goto err; + + /* compress content */ + cms = CMS_compress(in, NID_zlib_compression, flags); + + if (!cms) + goto err; + + out = BIO_new_file("smcomp.txt", "w"); + if (!out) + goto err; + + /* Write out S/MIME message */ + if (!SMIME_write_CMS(out, cms, in, flags)) + goto err; + + ret = 0; + + err: + + if (ret) + { + fprintf(stderr, "Error Compressing Data\n"); + ERR_print_errors_fp(stderr); + } + + if (cms) + CMS_ContentInfo_free(cms); + if (in) + BIO_free(in); + if (out) + BIO_free(out); + + return ret; + + } diff --git a/demos/cms/cms_uncomp.c b/demos/cms/cms_uncomp.c new file mode 100644 index 0000000000..f15ae2f132 --- /dev/null +++ b/demos/cms/cms_uncomp.c @@ -0,0 +1,56 @@ +/* Simple S/MIME uncompression example */ +#include <openssl/pem.h> +#include <openssl/cms.h> +#include <openssl/err.h> + +int main(int argc, char **argv) + { + BIO *in = NULL, *out = NULL; + CMS_ContentInfo *cms = NULL; + int ret = 1; + + OpenSSL_add_all_algorithms(); + ERR_load_crypto_strings(); + + /* Open compressed content */ + + in = BIO_new_file("smcomp.txt", "r"); + + if (!in) + goto err; + + /* Sign content */ + cms = SMIME_read_CMS(in, NULL); + + if (!cms) + goto err; + + out = BIO_new_file("smuncomp.txt", "w"); + if (!out) + goto err; + + /* Uncompress S/MIME message */ + if (!CMS_uncompress(cms, out, NULL, 0)) + goto err; + + ret = 0; + + err: + + if (ret) + { + fprintf(stderr, "Error Uncompressing Data\n"); + ERR_print_errors_fp(stderr); + } + + if (cms) + CMS_ContentInfo_free(cms); + + if (in) + BIO_free(in); + if (out) + BIO_free(out); + + return ret; + + } diff --git a/demos/cms/comp.txt b/demos/cms/comp.txt new file mode 100644 index 0000000000..1672328e77 --- /dev/null +++ b/demos/cms/comp.txt @@ -0,0 +1,22 @@ +Content-type: text/plain + +Some Text To be Compressed +Some Text To be Compressed +Some Text To be Compressed +Some Text To be Compressed +Some Text To be Compressed +Some Text To be Compressed +Some Text To be Compressed +Some Text To be Compressed +Some Text To be Compressed +Some Text To be Compressed +Some Text To be Compressed +Some Text To be Compressed +Some Text To be Compressed +Some Text To be Compressed +Some Text To be Compressed +Some Text To be Compressed +Some Text To be Compressed +Some Text To be Compressed +Some Text To be Compressed +Some Text To be Compressed |