1RSA_SIGN_ASN1_OCTET_STRING(3ossl)   OpenSSL  RSA_SIGN_ASN1_OCTET_STRING(3ossl)
2
3
4

NAME

6       RSA_sign_ASN1_OCTET_STRING, RSA_verify_ASN1_OCTET_STRING - RSA
7       signatures
8

SYNOPSIS

10        #include <openssl/rsa.h>
11
12       The following functions have been deprecated since OpenSSL 3.0, and can
13       be hidden entirely by defining OPENSSL_API_COMPAT with a suitable
14       version value, see openssl_user_macros(7):
15
16        int RSA_sign_ASN1_OCTET_STRING(int dummy, unsigned char *m,
17                                       unsigned int m_len, unsigned char *sigret,
18                                       unsigned int *siglen, RSA *rsa);
19
20        int RSA_verify_ASN1_OCTET_STRING(int dummy, unsigned char *m,
21                                         unsigned int m_len, unsigned char *sigbuf,
22                                         unsigned int siglen, RSA *rsa);
23

DESCRIPTION

25       All of the functions described on this page are deprecated.
26       Applications should instead use EVP PKEY APIs.
27
28       RSA_sign_ASN1_OCTET_STRING() signs the octet string m of size m_len
29       using the private key rsa represented in DER using PKCS #1 padding. It
30       stores the signature in sigret and the signature size in siglen. sigret
31       must point to RSA_size(rsa) bytes of memory.
32
33       dummy is ignored.
34
35       The random number generator must be seeded when calling
36       RSA_sign_ASN1_OCTET_STRING().  If the automatic seeding or reseeding of
37       the OpenSSL CSPRNG fails due to external circumstances (see RAND(7)),
38       the operation will fail.
39
40       RSA_verify_ASN1_OCTET_STRING() verifies that the signature sigbuf of
41       size siglen is the DER representation of a given octet string m of size
42       m_len. dummy is ignored. rsa is the signer's public key.
43

RETURN VALUES

45       RSA_sign_ASN1_OCTET_STRING() returns 1 on success, 0 otherwise.
46       RSA_verify_ASN1_OCTET_STRING() returns 1 on successful verification, 0
47       otherwise.
48
49       The error codes can be obtained by ERR_get_error(3).
50

BUGS

52       These functions serve no recognizable purpose.
53

SEE ALSO

55       ERR_get_error(3), RAND_bytes(3), RSA_sign(3), RSA_verify(3), RAND(7)
56

HISTORY

58       All of these functions were deprecated in OpenSSL 3.0.
59

61       Copyright 2000-2021 The OpenSSL Project Authors. All Rights Reserved.
62
63       Licensed under the Apache License 2.0 (the "License").  You may not use
64       this file except in compliance with the License.  You can obtain a copy
65       in the file LICENSE in the source distribution or at
66       <https://www.openssl.org/source/license.html>.
67
68
69
703.0.5                             2022-11-01 RSA_SIGN_ASN1_OCTET_STRING(3ossl)
Impressum