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I2D_CMS_BIO_STREAM(3) Library Functions Manual I2D_CMS_BIO_STREAM(3)

i2d_CMS_bio_streamoutput CMS_ContentInfo structure in BER format

#include <openssl/cms.h>

i2d_CMS_bio_stream(BIO *out, CMS_ContentInfo *cms, BIO *data, int flags);

() outputs a CMS_ContentInfo structure in BER format.

It is otherwise identical to the function SMIME_write_CMS(3).

This function is effectively a version of i2d_CMS_bio(3) supporting streaming.

i2d_CMS_bio_stream() returns 1 for success or 0 for failure.

CMS_ContentInfo_new(3), CMS_encrypt(3), CMS_sign(3), ERR_get_error(3), i2d_ASN1_bio_stream(3), PEM_write_bio_CMS_stream(3), SMIME_write_CMS(3)

i2d_CMS_bio_stream() first appeared in OpenSSL 1.0.0 and has been available since OpenBSD 6.7.

The prefix "i2d" is arguably wrong because the function outputs BER format.

December 13, 2021 OpenBSD-7.1