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Title "RSA_sign_ASN1_OCTET_STRING 3" For nroff, turn off justification. Always turn off hyphenation; it makes
way too many mistakes in technical documents.
RSA_sign_ASN1_OCTET_STRING, RSA_verify_ASN1_OCTET_STRING - RSA signatures Header "SYNOPSIS" .Vb 1 #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_verify_ASN1_OCTET_STRING(int dummy, unsigned char *m, unsigned int m_len, unsigned char *sigbuf, unsigned int siglen, RSA *rsa); .Ve Header "DESCRIPTION" \fIRSA_sign_ASN1_OCTET_STRING() signs the octet string m of size \fBm_len using the private key rsa represented in \s-1DER\s0 using \s-1PKCS\s0 #1 padding. It stores the signature in sigret and the signature size in siglen. sigret must point to RSA_size(rsa) bytes of memory.

\fBdummy is ignored.

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

\fIRSA_verify_ASN1_OCTET_STRING() verifies that the signature sigbuf of size siglen is the \s-1DER\s0 representation of a given octet string \fBm of size m_len. dummy is ignored. rsa is the signer's public key.

Header "RETURN VALUES" \fIRSA_sign_ASN1_OCTET_STRING() returns 1 on success, 0 otherwise. \fIRSA_verify_ASN1_OCTET_STRING() returns 1 on successful verification, 0 otherwise.

The error codes can be obtained by ERR_get_error\|(3).

Header "BUGS" These functions serve no recognizable purpose. Header "SEE ALSO" \fIERR_get_error\|(3), objects\|(3), \fIrand\|(3), rsa\|(3), RSA_sign\|(3), \fIRSA_verify\|(3) Header "HISTORY" \fIRSA_sign_ASN1_OCTET_STRING() and RSA_verify_ASN1_OCTET_STRING() were added in SSLeay 0.8.