Verify an RSA signature that wraps a DigestInfo‐style ASN.1 OCTET STRING (deprecated).

Synopsis

Declared in <openssl/rsa.h>

[[deprecated]]
int
RSA_verify_ASN1_OCTET_STRING(
    int type,
    unsigned char const* m,
    unsigned int m_length,
    unsigned char* sigbuf,
    unsigned int siglen,
    RSA* rsa);
Warning

Deprecated. Use of this entity is allowed but discouraged.

Return Value

1 if the signature is valid, or 0 on failure.

Parameters

Name

Description

type

NID of the digest algorithm expected inside the recovered DigestInfo.

m

Expected digest bytes.

m_length

Length of m in bytes.

sigbuf

Signature bytes to verify.

siglen

Length of sigbuf in bytes.

rsa

RSA public key used for verification.

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