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In public key infrastructure (PKI) systems, a certificate signing request (CSR or certification request) is a message sent from an applicant to a certificate authority of the public key infrastructure (PKI) in order to apply for a digital identity certificate. The CSR usually contains the public key for which the certificate should be issued ...
Securities and Exchange Commission (SEC) logo. The SEC filing is a financial statement or other formal document submitted to the U.S. Securities and Exchange Commission (SEC).
The Certificate Management Protocol (CMP) is an Internet protocol standardized by the IETF used for obtaining X.509 digital certificates in a public key infrastructure (PKI). CMP is a very feature-rich and flexible protocol, supporting many types of cryptography.
The OCSP request format supports additional extensions. This enables extensive customization to a particular PKI scheme. OCSP can be vulnerable to replay attacks , [ 12 ] where a signed, 'good' response is captured by a malicious intermediary and replayed to the client at a later date after the subject certificate may have been revoked.
In cryptography, a public key certificate, also known as a digital certificate or identity certificate, is an electronic document used to prove the validity of a public key. [ 1 ] [ 2 ] The certificate includes the public key and information about it, information about the identity of its owner (called the subject), and the digital signature of ...
The Securities Act of 1933 regulates the distribution of securities to public investors by creating registration and liability provisions to protect investors. With only a few exemptions, every security offering is required to be registered with the SEC by filing a registration statement that includes issuer history, business competition and material risks, litigation information, previous ...
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In Rules 504 and 505, Regulation D implements §3(b) of the Securities Act of 1933 (also referred to as the '33 Act), which allows the SEC to exempt issuances of under $5,000,000 from registration. It also provides (in Rule 506) a "safe harbor" under §4(a)(2) of the '33 Act (which says that non-public offerings are exempt from the registration ...