Data items presented in a digital certificate
Serial number,Certificate Authority that issued certificate,CA digital signature,Name of company/organisation/individual owning certificate,Subject public key,Period during which certificate is valid,Hashing algorithm
Conditions message is authentic
Digital certificate,Includes public key,Used to hash message received / produce message digest,Generated hash compared to digital signature
Usage of encrypted message digest
Financial transaction,Legal document,...
Cholera-Vibrio cholerae To reach their site of action in the small intestine, the bacteria have to pass through the stomach. If the contents are sufficiently acidic (pH less than 4.5), the bacteria are unlikely to survive. However, if the bacteria do reach the small intestine, they multiply and secrete a toxin, choleragen, which disrupts the functions of the epithelium lining the intestine, so that salts and water leave the blood. This causes severe diarrhoea and the loss of fluid can be fatal if...
develop of cancer-Oncogenes transformed by carcinogens.-Cancerous cell does not respond to signals from other cells so continues to divide.-Mitosis-Cancerous cells not removed by immune system.-Rapid mitosis-Tumour gets bigger.Cells change their character istics and look different under the microscope.-Tumour supplied with blood and lymph vessels. Tumour cells spread in blood and lymph to other parts of the body.-Metastasis. Tumour cells invade other tissues. Secondary cancers form throughout the...
ineffable cromulent nescient Déjà vu sad-lugubrious, saturnine foudroyant-dazzling ossified-become fixed and rigid faux-false indelible-long lasting imbroglio-complicated situation unrelenting-not giving up coup de foudre-love at first sight succumb-give into nefarious-wicked,despicable stoic-can tolerate many things cachinnate-you’re… en route-otw myriad-a lot sempiternal-eternalaeonian-everlasting evanescent-vanishing quickly déjà vu-impression/illusion of having seen/experience sth before...