197 lines
6.6 KiB
Groff
197 lines
6.6 KiB
Groff
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.\" ========================================================================
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.\"
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.IX Title "D2I_PKCS8PRIVATEKEY_BIO 3"
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.TH D2I_PKCS8PRIVATEKEY_BIO 3 "2020-03-02" "3.0.0-dev" "OpenSSL"
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.\" For nroff, turn off justification. Always turn off hyphenation; it makes
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.\" way too many mistakes in technical documents.
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.if n .ad l
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.nh
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.SH "NAME"
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d2i_PKCS8PrivateKey_bio, d2i_PKCS8PrivateKey_fp,
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i2d_PKCS8PrivateKey_bio, i2d_PKCS8PrivateKey_fp,
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i2d_PKCS8PrivateKey_nid_bio, i2d_PKCS8PrivateKey_nid_fp \- PKCS#8 format private key functions
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.SH "SYNOPSIS"
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.IX Header "SYNOPSIS"
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.Vb 1
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\& #include <openssl/evp.h>
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\&
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\& EVP_PKEY *d2i_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, void *u);
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\& EVP_PKEY *d2i_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, void *u);
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\&
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\& int i2d_PKCS8PrivateKey_bio(BIO *bp, const EVP_PKEY *x, const EVP_CIPHER *enc,
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\& char *kstr, int klen,
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\& pem_password_cb *cb, void *u);
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\&
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\& int i2d_PKCS8PrivateKey_fp(FILE *fp, const EVP_PKEY *x, const EVP_CIPHER *enc,
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\& char *kstr, int klen,
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\& pem_password_cb *cb, void *u);
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\&
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\& int i2d_PKCS8PrivateKey_nid_bio(BIO *bp, const EVP_PKEY *x, int nid,
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\& char *kstr, int klen,
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\& pem_password_cb *cb, void *u);
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\&
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\& int i2d_PKCS8PrivateKey_nid_fp(FILE *fp, const EVP_PKEY *x, int nid,
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\& char *kstr, int klen,
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\& pem_password_cb *cb, void *u);
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.Ve
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.SH "DESCRIPTION"
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.IX Header "DESCRIPTION"
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The PKCS#8 functions encode and decode private keys in PKCS#8 format using both
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PKCS#5 v1.5 and PKCS#5 v2.0 password based encryption algorithms.
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.PP
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Other than the use of \s-1DER\s0 as opposed to \s-1PEM\s0 these functions are identical to the
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corresponding \fB\s-1PEM\s0\fR function as described in \fIPEM_read_PrivateKey\fR\|(3).
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.SH "NOTES"
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.IX Header "NOTES"
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These functions are currently the only way to store encrypted private keys using \s-1DER\s0 format.
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.PP
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Currently all the functions use BIOs or \s-1FILE\s0 pointers, there are no functions which
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work directly on memory: this can be readily worked around by converting the buffers
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to memory BIOs, see \fIBIO_s_mem\fR\|(3) for details.
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.PP
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These functions make no assumption regarding the pass phrase received from the
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password callback.
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It will simply be treated as a byte sequence.
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.SH "RETURN VALUES"
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.IX Header "RETURN VALUES"
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\&\fId2i_PKCS8PrivateKey_bio()\fR and \fId2i_PKCS8PrivateKey_fp()\fR return a valid \fB\s-1EVP_PKEY\s0\fR
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structure or \s-1NULL\s0 if an error occurred.
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.PP
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\&\fIi2d_PKCS8PrivateKey_bio()\fR, \fIi2d_PKCS8PrivateKey_fp()\fR, \fIi2d_PKCS8PrivateKey_nid_bio()\fR
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and \fIi2d_PKCS8PrivateKey_nid_fp()\fR return 1 on success or 0 on error.
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.SH "SEE ALSO"
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.IX Header "SEE ALSO"
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\&\fIPEM_read_PrivateKey\fR\|(3),
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\&\fIpassphrase\-encoding\fR\|(7)
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.SH "COPYRIGHT"
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.IX Header "COPYRIGHT"
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Copyright 2002\-2018 The OpenSSL Project Authors. All Rights Reserved.
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.PP
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Licensed under the Apache License 2.0 (the \*(L"License\*(R"). You may not use
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this file except in compliance with the License. You can obtain a copy
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in the file \s-1LICENSE\s0 in the source distribution or at
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<https://www.openssl.org/source/license.html>.
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