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to shake hands

to shake hands

1 5.8
To exchange messages between two systems to start a secure connection and agree on security keys
  • phrasal verb
  • Specialized
translation icon : establecer la conexión
  • The driver's grip was soft and bloodless, like shaking hands with a glove.

Examples

How Secure

to authenticate
  • Specialized
35 6.7
to encrypt
  • Specialized
54 6.7
secure
318 3.2
to shake hands
  • Specialized
1 5.8
to connect
445 2.7

Surface Forms

shake hands infinitive
shaking hands present participle
shakes hands third person singular
shaken hands past participle

Morphology

shake + hand

The technical sense in computing is a metaphorical extension of the physical gesture 'shake hands' (an act of greeting or agreement), so a learner who knows 'shake' and 'hand' can probably infer a general meaning of 'establishing a connection or agreement'. However, the specific notion of exchanging protocol messages or negotiating session parameters is technical and not directly predictable from the constituents, so full comprehension requires domain knowledge.

Etymology

Shake hands in technology uses the picture of two people touching hands to agree: devices send short messages back and forth like a handshake to show they both accept the same rules. So when computers 'shake hands' they are agreeing on how to talk before they start to send data.