RSA_verify_ASN1_OCTET_STRING man page on DigitalUNIX

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RSA_sign_ASN1_OCTET_STRING(3)			 RSA_sign_ASN1_OCTET_STRING(3)

NAME
       RSA_sign_ASN1_OCTET_STRING,  RSA_verify_ASN1_OCTET_STRING  - RSA signa‐
       tures

SYNOPSIS
       #include <openssl/rsa.h>

       int RSA_sign_ASN1_OCTET_STRING(
	       int dummy, unsigned char *m, unsigned int m_len, unsigned  char
       *sigret,	  unsigned   int   *siglen,   RSA   *rsa   );	int   RSA_ver‐
       ify_ASN1_OCTET_STRING(
	       int dummy, unsigned char *m, unsigned int m_len, unsigned  char
       *sigbuf, unsigned int siglen, RSA *rsa );

DESCRIPTION
       The  RSA_sign_ASN1_OCTET_STRING()  function signs the octet string m of
       size m_len using the private key rsa represented in DER using  PKCS  #1
       padding.	  It  stores the signature in sigret and the signature size in
       siglen. The sigret must point to RSA_size(rsa) bytes of memory.

       The dummy is ignored.

       The random number  generator  must  be  seeded  prior  to  calling  the
       RSA_sign_ASN1_OCTET_STRING() function.

       The RSA_verify_ASN1_OCTET_STRING() function verifies that the signature
       sigbuf of size siglen is the DER representation of a given octet string
       m  of  size m_len. The dummy is ignored. The rsa is the signer's public
       key.

RESTRICTIONS
       These functions serve no recognizable purpose.

RETURN VALUES
       The RSA_sign_ASN1_OCTET_STRING() function returns 1 on success, 0  oth‐
       erwise.	The  RSA_verify_ASN1_OCTET_STRING() function returns 1 on suc‐
       cessful verification, 0 otherwise.

       The error codes can be obtained by using the ERR_get_error() function.

HISTORY
       The  RSA_sign_ASN1_OCTET_STRING()  and	RSA_verify_ASN1_OCTET_STRING()
       functions were added in SSLeay 0.8.

SEE ALSO
       Functions:  err(3),  objects(3), rand(3), rsa(3), RSA_sign(3), RSA_ver‐
       ify(3)

						 RSA_sign_ASN1_OCTET_STRING(3)
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