Cryptographic equipment , comprising: - an input interface , allowing to interact with the cryptographic equipment and share sensitive or non-sensitive information sequentially, - a red module , intended to process sensitive information, - a cryptographic module , connected to the red module by a first upstream internal link and adapted to apply cryptographic functions, - a black module , connected to the cryptographic module by a first downstream internal link and adapted to process non-sensitive information, and - an output interface , connected to the black module by a first interface link and intended to manage information sharing from the cryptographic equipment , the cryptographic module comprising: - a cryptographic unit , which interacts with the red module through the first upstream internal link , and with the black module through the first downstream internal link , and adapted to process the sensitive information using the cryptographic functions, and - a management device , which interacts with the input interface through at least one second interface link and with either the red module through a second upstream internal link , or the black module through a second downstream internal link , but not with both simultaneously, and adapted to orient the sensitive information between the input interface and the second upstream internal link , or the non-sensitive information between the input interface and the second downstream internal link , without the non-sensitive information passing through the red module , the cryptographic unit and the management device being physically and logically separate from one another and independent, the cryptographic bloc and the management device having identical protection means, capable of protecting the integrity of the management device so as to detect any tampering attempt, and characterized in that the cryptographic equipment comprises an additional external physical interface connected to the red module through an interface link , the input interface being able to establish a first secure bidirectional connection for the exchange of information with the output interface , the additional external physical interface being able to establish a second secure bidirectional connection for exchanging information with the output interface , the first and the second bidirectional connection being different and available in parallel. - an input interface , allowing to interact with the cryptographic equipment and share sensitive or non-sensitive information sequentially, - a red module , intended to process sensitive information, - a cryptographic module , connected to the red module by a first upstream internal link and adapted to apply cryptographic functions, - a black module , connected to the cryptographic module by a first downstream internal link and adapted to process non-sensitive information, and - an output interface , connected to the black module by a first interface link and intended to manage information sharing from the cryptographic equipment , - a cryptographic unit , which interacts with the red module through the first upstream internal link , and with the black module through the first downstream internal link , and adapted to process the sensitive information using the cryptographic functions, and - a management device , which interacts with the input interface through at least one second interface link and with either the red module through a second upstream internal link , or the black module through a second downstream internal link , but not with both simultaneously, and adapted to orient the sensitive information between the input interface and the second upstream internal link , or the non-sensitive information between the input interface and the second downstream internal link , without the non-sensitive information passing through the red module , <EOS>